[kbuild] drivers/android/binder.c:3540 binder_thread_write() warn: overwrite may leak 'death'
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Jakub Jelinek
CC: "Peter Zijlstra (Intel)"
CC: Andrew Morton
CC: Linux Memory Management List
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 16fc44d6387e260f4932e9248b985837324705d8
commit: 2f78788b55baa3410b1ec91a576286abe1ad4d6a ilog2: improve ilog2 for
constant arguments
date: 4 months ago
:: branch date: 11 hours ago
:: commit date: 4 months ago
config: riscv-randconfig-m031-20210421 (attached as .config)
compiler: riscv32-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
drivers/android/binder.c:3540 binder_thread_write() warn: overwrite may leak
'death'
vim +/death +3540 drivers/android/binder.c
44d8047f1d87ad drivers/android/binder.c Todd Kjos
2018-08-28 3188
fb07ebc3e82a98 drivers/staging/android/binder.c Bojan Prtvar
2013-09-02 3189 static int binder_thread_write(struct binder_proc *proc,
fb07ebc3e82a98 drivers/staging/android/binder.c Bojan Prtvar
2013-09-02 3190 struct binder_thread *thread,
da49889deb34d3 drivers/staging/android/binder.c Arve Hjønnevåg
2014-02-21 3191 binder_uintptr_t binder_buffer, size_t
size,
da49889deb34d3 drivers/staging/android/binder.c Arve Hjønnevåg
2014-02-21 3192 binder_size_t *consumed)
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3193 {
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3194 uint32_t cmd;
342e5c90b60134 drivers/android/binder.c Martijn Coenen
2017-02-03 3195 struct binder_context *context = proc->context;
da49889deb34d3 drivers/staging/android/binder.c Arve Hjønnevåg
2014-02-21 3196 void __user *buffer = (void __user
*)(uintptr_t)binder_buffer;
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3197 void __user *ptr = buffer + *consumed;
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3198 void __user *end = buffer + size;
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3199
26549d17741035 drivers/android/binder.c Todd Kjos
2017-06-29 3200 while (ptr < end && thread->return_error.cmd == BR_OK)
{
372e3147df7016 drivers/android/binder.c Todd Kjos
2017-06-29 3201 int ret;
372e3147df7016 drivers/android/binder.c Todd Kjos
2017-06-29 3202
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3203 if (get_user(cmd, (uint32_t __user *)ptr))
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3204 return -EFAULT;
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3205 ptr += sizeof(uint32_t);
975a1ac9a9fe65 drivers/staging/android/binder.c Arve Hjønnevåg
2012-10-16 3206 trace_binder_command(cmd);
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3207 if (_IOC_NR(cmd) <
ARRAY_SIZE(binder_stats.bc)) {
0953c7976c36ce drivers/android/binder.c Badhri Jagan Sridharan
2017-06-29 3208
atomic_inc(_stats.bc[_IOC_NR(cmd)]);
0953c7976c36ce drivers/android/binder.c Badhri Jagan Sridharan
2017-06-29 3209
atomic_inc(>stats.bc[_IOC_NR(cmd)]);
0953c7976c36ce drivers/android/binder.c Badhri Jagan Sridharan
2017-06-29 3210
atomic_inc(>stats.bc[_IOC_NR(cmd)]);
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3211 }
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3212 switch (cmd) {
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3213 case BC_INCREFS:
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3214 case BC_ACQUIRE:
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3215 case BC_RELEASE:
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3216 case BC_DECREFS: {
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3217 uint32_t target;
355b0502f6efea drivers/staging/android/binder.c Greg Kroah-Hartman
2011-11-30 3218 const char *debug_string;
372e3147df7016 drivers/android/binder.c Todd
[kbuild] arch/x86/kvm/mmu/tdp_mmu.c:291:9: sparse: sparse: context imbalance in 'tdp_mmu_link_page' - different lock contexts for basic block
CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Ben Gardon CC: Paolo Bonzini CC: Peter Feiner tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 16fc44d6387e260f4932e9248b985837324705d8 commit: 9a77daacc87dee9fd63e31243f21894132ed8407 KVM: x86/mmu: Use atomic ops to set SPTEs in TDP MMU map date: 3 months ago :: branch date: 9 hours ago :: commit date: 3 months ago config: x86_64-randconfig-s021-20210422 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9a77daacc87dee9fd63e31243f21894132ed8407 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 9a77daacc87dee9fd63e31243f21894132ed8407 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) arch/x86/kvm/mmu/tdp_mmu.c:455:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected unsigned long long [usertype] *pt @@ got unsigned long long [noderef] [usertype] __rcu * @@ arch/x86/kvm/mmu/tdp_mmu.c:455:49: sparse: expected unsigned long long [usertype] *pt arch/x86/kvm/mmu/tdp_mmu.c:455:49: sparse: got unsigned long long [noderef] [usertype] __rcu * >> arch/x86/kvm/mmu/tdp_mmu.c:291:9: sparse: sparse: context imbalance in >> 'tdp_mmu_link_page' - different lock contexts for basic block >> arch/x86/kvm/mmu/tdp_mmu.c:316:9: sparse: sparse: context imbalance in >> 'tdp_mmu_unlink_page' - different lock contexts for basic block arch/x86/kvm/mmu/tdp_mmu.c:606:51: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected unsigned long long [usertype] *root_pt @@ got unsigned long long [noderef] [usertype] __rcu * @@ arch/x86/kvm/mmu/tdp_mmu.c:606:51: sparse: expected unsigned long long [usertype] *root_pt arch/x86/kvm/mmu/tdp_mmu.c:606:51: sparse: got unsigned long long [noderef] [usertype] __rcu * arch/x86/kvm/mmu/tdp_mmu.c:521:49: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] root_pt @@ arch/x86/kvm/mmu/tdp_mmu.c:521:49: sparse: expected unsigned long long [usertype] *sptep arch/x86/kvm/mmu/tdp_mmu.c:521:49: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] root_pt >> arch/x86/kvm/mmu/tdp_mmu.c:483:40: sparse: sparse: incorrect type in >> initializer (different address spaces) @@ expected unsigned long long >> [usertype] *root_pt @@ got unsigned long long [noderef] [usertype] __rcu >> * @@ arch/x86/kvm/mmu/tdp_mmu.c:483:40: sparse: expected unsigned long long [usertype] *root_pt arch/x86/kvm/mmu/tdp_mmu.c:483:40: sparse: got unsigned long long [noderef] [usertype] __rcu * >> arch/x86/kvm/mmu/tdp_mmu.c:483:40: sparse: sparse: incorrect type in >> initializer (different address spaces) @@ expected unsigned long long >> [usertype] *root_pt @@ got unsigned long long [noderef] [usertype] __rcu >> * @@ arch/x86/kvm/mmu/tdp_mmu.c:483:40: sparse: expected unsigned long long [usertype] *root_pt arch/x86/kvm/mmu/tdp_mmu.c:483:40: sparse: got unsigned long long [noderef] [usertype] __rcu * >> arch/x86/kvm/mmu/tdp_mmu.c:483:40: sparse: sparse: incorrect type in >> initializer (different address spaces) @@ expected unsigned long long >> [usertype] *root_pt @@ got unsigned long long [noderef] [usertype] __rcu >> * @@ arch/x86/kvm/mmu/tdp_mmu.c:483:40: sparse: expected unsigned long long [usertype] *root_pt arch/x86/kvm/mmu/tdp_mmu.c:483:40: sparse: got unsigned long long [noderef] [usertype] __rcu * arch/x86/kvm/mmu/tdp_mmu.c:521:49: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] root_pt @@ arch/x86/kvm/mmu/tdp_mmu.c:521:49: sparse: expected unsigned long long [usertype] *sptep arch/x86/kvm/mmu/tdp_mmu.c:521:49: sparse: got unsigned long long [noderef] [usertype] __rcu *[usertype] root_pt arch/x86/kvm/mmu/tdp_mmu.c:521:49: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long [usertype] *sptep @@ got unsigned long long [noderef] [usertype] __rcu *[usertype] root_pt @@ arch/x86/kvm/mmu/tdp_mmu.c:521:49: sparse: expected unsigned long long [usertype] *sptep
[kbuild] Re: [PATCH] [net-next] net: stmmac: fix gcc-10 -Wrestrict warning
CC: kbuild-...@lists.01.org
In-Reply-To: <20210421134743.3260921-1-a...@kernel.org>
References: <20210421134743.3260921-1-a...@kernel.org>
TO: Arnd Bergmann
TO: Giuseppe Cavallaro
TO: Alexandre Torgue
TO: Jose Abreu
TO: "David S. Miller"
CC: net...@vger.kernel.org
TO: Jakub Kicinski
CC: Arnd Bergmann
CC: Maxime Coquelin
CC: Ong Boon Leong
CC: Voon Weifeng
Hi Arnd,
I love your patch! Perhaps something to improve:
[auto build test WARNING on next-20210421]
[cannot apply to linus/master v5.12-rc8 v5.12-rc7 v5.12-rc6 v5.12-rc8]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Arnd-Bergmann/net-stmmac-fix-gcc-10-Wrestrict-warning/20210421-215015
base:b74523885a715463203d4ccc3cf8c85952d3701a
:: branch date: 12 hours ago
:: commit date: 12 hours ago
config: x86_64-randconfig-m001-20210421 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3503
stmmac_request_irq_multi_msi() error: buffer overflow 'priv->rx_irq' 8 <= 8
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3506
stmmac_request_irq_multi_msi() error: buffer overflow 'priv->int_name_rx_irq' 8
<= 8
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3528
stmmac_request_irq_multi_msi() error: buffer overflow 'priv->tx_irq' 8 <= 8
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3531
stmmac_request_irq_multi_msi() error: buffer overflow 'priv->int_name_tx_irq' 8
<= 8
Old smatch warnings:
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1708 init_dma_rx_desc_rings()
warn: always true condition '(queue >= 0) => (0-u32max >= 0)'
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1708 init_dma_rx_desc_rings()
warn: always true condition '(queue >= 0) => (0-u32max >= 0)'
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3508
stmmac_request_irq_multi_msi() error: buffer overflow 'priv->rx_irq' 8 <= 8
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3514
stmmac_request_irq_multi_msi() error: buffer overflow 'priv->rx_irq' 8 <= 8
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3521
stmmac_request_irq_multi_msi() error: buffer overflow 'priv->rx_irq' 8 <= 8
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3533
stmmac_request_irq_multi_msi() error: buffer overflow 'priv->tx_irq' 8 <= 8
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3539
stmmac_request_irq_multi_msi() error: buffer overflow 'priv->tx_irq' 8 <= 8
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3546
stmmac_request_irq_multi_msi() error: buffer overflow 'priv->tx_irq' 8 <= 8
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:4707 stmmac_xdp_run_prog()
error: (-2147483647) too low for ERR_PTR
vim +3503 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
8532f613bc78b6 Ong Boon Leong 2021-03-26 3403
8532f613bc78b6 Ong Boon Leong 2021-03-26 3404 static int
stmmac_request_irq_multi_msi(struct net_device *dev)
8532f613bc78b6 Ong Boon Leong 2021-03-26 3405 {
8532f613bc78b6 Ong Boon Leong 2021-03-26 3406 enum request_irq_err
irq_err = REQ_IRQ_ERR_NO;
8532f613bc78b6 Ong Boon Leong 2021-03-26 3407 struct stmmac_priv
*priv = netdev_priv(dev);
8deec94c6040bb Ong Boon Leong 2021-04-01 3408 cpumask_t cpu_mask;
8532f613bc78b6 Ong Boon Leong 2021-03-26 3409 int irq_idx = 0;
8532f613bc78b6 Ong Boon Leong 2021-03-26 3410 char *int_name;
8532f613bc78b6 Ong Boon Leong 2021-03-26 3411 int ret;
8532f613bc78b6 Ong Boon Leong 2021-03-26 3412 int i;
8532f613bc78b6 Ong Boon Leong 2021-03-26 3413
8532f613bc78b6 Ong Boon Leong 2021-03-26 3414 /* For common interrupt
*/
8532f613bc78b6 Ong Boon Leong 2021-03-26 3415 int_name =
priv->int_name_mac;
8532f613bc78b6 Ong Boon Leong 2021-03-26 3416 sprintf(int_name,
"%s:%s", dev->name, "mac");
8532f613bc78b6 Ong Boon Leong 2021-03-26 3417 ret =
request_irq(dev->irq, stmmac_mac_interrupt,
8532f613bc78b6 Ong Boon Leong 2021-03-26 34180,
int_name, dev);
8532f613bc78b6 Ong Boon Leong 2021-03-26 3419 if (unlikely(ret < 0)) {
8532f613bc78b6 Ong Boon Leong 2021-03-26 3420
netdev_err(priv->dev,
8532f613bc78b6 Ong Boon Leong 2021-03-26 3421 "%s:
alloc mac MSI %d (error: %d)\n",
8532f613bc78b6 Ong Boon Leong 2021-03-26 3422
__func__, dev->irq, ret);
8532f613bc78b6 Ong Boon Leong 2021-03-26 3423 irq_err =
REQ_IRQ_ERR_MAC;
8532f613bc78b6 Ong Boon Leong 2021-0
[kbuild] Re: [PATCH RESEND-2 RFC net-next 12/18] devlink: Introduce rate nodes
CC: kbuild-...@lists.01.org
In-Reply-To: <1619020385-20220-13-git-send-email-dlin...@nvidia.com>
References: <1619020385-20220-13-git-send-email-dlin...@nvidia.com>
TO: dlin...@nvidia.com
Hi,
[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on net-next/master]
url:
https://github.com/0day-ci/linux/commits/dlinkin-nvidia-com/devlink-rate-objects-API/20210421-235552
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
a926c025d56bb1acd8a192fca0e307331ee91b30
:: branch date: 7 hours ago
:: commit date: 7 hours ago
config: x86_64-randconfig-m001-20210421 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
net/core/devlink.c:1591 devlink_nl_rate_set() error: uninitialized symbol 'err'.
Old smatch warnings:
net/core/devlink.c:1604 devlink_nl_rate_set() error: uninitialized symbol 'err'.
net/core/devlink.c:6364 devlink_fmsg_prepare_skb() error: uninitialized symbol
'err'.
vim +/err +1591 net/core/devlink.c
cd76dcd68d96aa Parav Pandit 2020-12-11 1574
709d06045321cd Dmytro Linkin 2021-04-21 1575 static int
devlink_nl_rate_set(struct devlink_rate *devlink_rate,
709d06045321cd Dmytro Linkin 2021-04-21 1576 const
struct devlink_ops *ops,
709d06045321cd Dmytro Linkin 2021-04-21 1577 struct
genl_info *info)
709d06045321cd Dmytro Linkin 2021-04-21 1578 {
709d06045321cd Dmytro Linkin 2021-04-21 1579 struct nlattr **attrs =
info->attrs;
709d06045321cd Dmytro Linkin 2021-04-21 1580 u64 rate;
709d06045321cd Dmytro Linkin 2021-04-21 1581 int err;
709d06045321cd Dmytro Linkin 2021-04-21 1582
709d06045321cd Dmytro Linkin 2021-04-21 1583 if
(attrs[DEVLINK_ATTR_RATE_TX_SHARE]) {
709d06045321cd Dmytro Linkin 2021-04-21 1584 rate =
nla_get_u64(attrs[DEVLINK_ATTR_RATE_TX_SHARE]);
ddc9bb1d01c107 Dmytro Linkin 2021-04-21 1585 if
(devlink_rate_is_leaf(devlink_rate))
709d06045321cd Dmytro Linkin 2021-04-21 1586 err =
ops->rate_leaf_tx_share_set(devlink_rate, devlink_rate->priv,
709d06045321cd Dmytro Linkin 2021-04-21 1587
rate, info->extack);
ddc9bb1d01c107 Dmytro Linkin 2021-04-21 1588 else if
(devlink_rate_is_node(devlink_rate))
ddc9bb1d01c107 Dmytro Linkin 2021-04-21 1589 err =
ops->rate_node_tx_share_set(devlink_rate, devlink_rate->priv,
ddc9bb1d01c107 Dmytro Linkin 2021-04-21 1590
rate, info->extack);
709d06045321cd Dmytro Linkin 2021-04-21 @1591 if (err)
709d06045321cd Dmytro Linkin 2021-04-21 1592 return err;
709d06045321cd Dmytro Linkin 2021-04-21 1593 devlink_rate->tx_share
= rate;
709d06045321cd Dmytro Linkin 2021-04-21 1594 }
709d06045321cd Dmytro Linkin 2021-04-21 1595
709d06045321cd Dmytro Linkin 2021-04-21 1596 if
(attrs[DEVLINK_ATTR_RATE_TX_MAX]) {
709d06045321cd Dmytro Linkin 2021-04-21 1597 rate =
nla_get_u64(attrs[DEVLINK_ATTR_RATE_TX_MAX]);
ddc9bb1d01c107 Dmytro Linkin 2021-04-21 1598 if
(devlink_rate_is_leaf(devlink_rate))
709d06045321cd Dmytro Linkin 2021-04-21 1599 err =
ops->rate_leaf_tx_max_set(devlink_rate, devlink_rate->priv,
709d06045321cd Dmytro Linkin 2021-04-21 1600
rate, info->extack);
ddc9bb1d01c107 Dmytro Linkin 2021-04-21 1601 else if
(devlink_rate_is_node(devlink_rate))
ddc9bb1d01c107 Dmytro Linkin 2021-04-21 1602 err =
ops->rate_node_tx_max_set(devlink_rate, devlink_rate->priv,
ddc9bb1d01c107 Dmytro Linkin 2021-04-21 1603
rate, info->extack);
709d06045321cd Dmytro Linkin 2021-04-21 1604 if (err)
709d06045321cd Dmytro Linkin 2021-04-21 1605 return err;
709d06045321cd Dmytro Linkin 2021-04-21 1606 devlink_rate->tx_max =
rate;
709d06045321cd Dmytro Linkin 2021-04-21 1607 }
709d06045321cd Dmytro Linkin 2021-04-21 1608
709d06045321cd Dmytro Linkin 2021-04-21 1609 return 0;
709d06045321cd Dmytro Linkin 2021-04-21 1610 }
709d06045321cd Dmytro Linkin 2021-04-21 1611
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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To unsubscribe send an email to kbuild-le...@lists.01.org
[kbuild] [peterz-queue:sched/core-sched 14/27] include/asm-generic/numa.h:24:36: sparse: sparse: context imbalance in 'io_wq_worker_affinity' - wrong count at exit
CC: kbuild-...@lists.01.org
TO: Peter Zijlstra
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
sched/core-sched
head: 0ddb3c135bb7b36f9aa6c6efdf2405a384e9936e
commit: b144a91e3fef514df9f8ebcce90701cd3c535b62 [14/27] sched: Use
raw_spin_rq_*lock*() helpers
:: branch date: 9 hours ago
:: commit date: 9 hours ago
config: arm64-randconfig-s031-20210421 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce:
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-341-g8af24329-dirty
#
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=b144a91e3fef514df9f8ebcce90701cd3c535b62
git remote add peterz-queue
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue sched/core-sched
git checkout b144a91e3fef514df9f8ebcce90701cd3c535b62
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
sparse warnings: (new ones prefixed by >>)
fs/io-wq.c: note: in included file (through arch/arm64/include/asm/numa.h,
arch/arm64/include/asm/mmzone.h, include/linux/mmzone.h, ...):
>> include/asm-generic/numa.h:24:36: sparse: sparse: context imbalance in
>> 'io_wq_worker_affinity' - wrong count at exit
vim +/io_wq_worker_affinity +24 include/asm-generic/numa.h
ae3c107cd8bea8 Atish Patra 2020-11-18 19
ae3c107cd8bea8 Atish Patra 2020-11-18 20 #ifdef CONFIG_DEBUG_PER_CPU_MAPS
ae3c107cd8bea8 Atish Patra 2020-11-18 21 const struct cpumask
*cpumask_of_node(int node);
ae3c107cd8bea8 Atish Patra 2020-11-18 22 #else
ae3c107cd8bea8 Atish Patra 2020-11-18 23 /* Returns a pointer to the cpumask
of CPUs on Node 'node'. */
ae3c107cd8bea8 Atish Patra 2020-11-18 @24 static inline const struct cpumask
*cpumask_of_node(int node)
ae3c107cd8bea8 Atish Patra 2020-11-18 25 {
ae3c107cd8bea8 Atish Patra 2020-11-18 26 if (node == NUMA_NO_NODE)
ae3c107cd8bea8 Atish Patra 2020-11-18 27 return cpu_all_mask;
ae3c107cd8bea8 Atish Patra 2020-11-18 28
ae3c107cd8bea8 Atish Patra 2020-11-18 29 return
node_to_cpumask_map[node];
ae3c107cd8bea8 Atish Patra 2020-11-18 30 }
ae3c107cd8bea8 Atish Patra 2020-11-18 31 #endif
ae3c107cd8bea8 Atish Patra 2020-11-18 32
:: The code at line 24 was first introduced by commit
:: ae3c107cd8bea82cb7cb427d9c5d305b8ce72216 numa: Move numa implementation
to common code
:: TO: Atish Patra
:: CC: Palmer Dabbelt
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
___
kbuild mailing list -- kbuild@lists.01.org
To unsubscribe send an email to kbuild-le...@lists.01.org
[kbuild] [linux-next:master 5218/14231] drivers/infiniband/hw/mlx5/odp.c:1541 mlx5r_odp_create_eq() warn: missing error code 'err'
CC: kbuild-...@lists.01.org
CC: Linux Memory Management List
TO: Shay Drory
CC: Jason Gunthorpe
CC: Maor Gottlieb
CC: Leon Romanovsky
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: b74523885a715463203d4ccc3cf8c85952d3701a
commit: ad50294d4d6b573654cddf09a689592414b28b45 [5218/14231] RDMA/mlx5: Create
ODP EQ only when ODP MR is created
:: branch date: 6 hours ago
:: commit date: 4 weeks ago
config: x86_64-randconfig-m001-20210421 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
drivers/infiniband/hw/mlx5/odp.c:1541 mlx5r_odp_create_eq() warn: missing error
code 'err'
vim +/err +1541 drivers/infiniband/hw/mlx5/odp.c
d5d284b829a6eb Saeed Mahameed 2018-11-19 1533
ad50294d4d6b57 Shay Drory 2021-03-14 1534 int mlx5r_odp_create_eq(struct
mlx5_ib_dev *dev, struct mlx5_ib_pf_eq *eq)
d5d284b829a6eb Saeed Mahameed 2018-11-19 1535 {
d5d284b829a6eb Saeed Mahameed 2018-11-19 1536 struct mlx5_eq_param
param = {};
ad50294d4d6b57 Shay Drory 2021-03-14 1537 int err = 0;
d5d284b829a6eb Saeed Mahameed 2018-11-19 1538
ad50294d4d6b57 Shay Drory 2021-03-14 1539
mutex_lock(>odp_eq_mutex);
ad50294d4d6b57 Shay Drory 2021-03-14 1540 if (eq->core)
ad50294d4d6b57 Shay Drory 2021-03-14 @1541 goto unlock;
d5d284b829a6eb Saeed Mahameed 2018-11-19 1542 INIT_WORK(>work,
mlx5_ib_eq_pf_action);
d5d284b829a6eb Saeed Mahameed 2018-11-19 1543
spin_lock_init(>lock);
d5d284b829a6eb Saeed Mahameed 2018-11-19 1544 eq->dev = dev;
d5d284b829a6eb Saeed Mahameed 2018-11-19 1545
d5d284b829a6eb Saeed Mahameed 2018-11-19 1546 eq->pool =
mempool_create_kmalloc_pool(MLX5_IB_NUM_PF_DRAIN,
d5d284b829a6eb Saeed Mahameed 2018-11-19 1547
sizeof(struct mlx5_pagefault));
ad50294d4d6b57 Shay Drory 2021-03-14 1548 if (!eq->pool) {
ad50294d4d6b57 Shay Drory 2021-03-14 1549 err = -ENOMEM;
ad50294d4d6b57 Shay Drory 2021-03-14 1550 goto unlock;
ad50294d4d6b57 Shay Drory 2021-03-14 1551 }
d5d284b829a6eb Saeed Mahameed 2018-11-19 1552
d5d284b829a6eb Saeed Mahameed 2018-11-19 1553 eq->wq =
alloc_workqueue("mlx5_ib_page_fault",
d5d284b829a6eb Saeed Mahameed 2018-11-19 1554
WQ_HIGHPRI | WQ_UNBOUND | WQ_MEM_RECLAIM,
d5d284b829a6eb Saeed Mahameed 2018-11-19 1555
MLX5_NUM_CMD_EQE);
d5d284b829a6eb Saeed Mahameed 2018-11-19 1556 if (!eq->wq) {
d5d284b829a6eb Saeed Mahameed 2018-11-19 1557 err = -ENOMEM;
d5d284b829a6eb Saeed Mahameed 2018-11-19 1558 goto
err_mempool;
d5d284b829a6eb Saeed Mahameed 2018-11-19 1559 }
d5d284b829a6eb Saeed Mahameed 2018-11-19 1560
ca390799c2aa03 Yuval Avnery2019-06-10 1561
eq->irq_nb.notifier_call = mlx5_ib_eq_pf_int;
d5d284b829a6eb Saeed Mahameed 2018-11-19 1562 param = (struct
mlx5_eq_param){
81bfa206032a67 Ariel Levkovich 2019-06-10 1563 .irq_index = 0,
d5d284b829a6eb Saeed Mahameed 2018-11-19 1564 .nent =
MLX5_IB_NUM_PF_EQE,
d5d284b829a6eb Saeed Mahameed 2018-11-19 1565 };
b9a7ba55620748 Yishai Hadas2019-06-30 1566 param.mask[0] = 1ull <<
MLX5_EVENT_TYPE_PAGE_FAULT;
24163189da487b Yuval Avnery2019-06-10 1567 eq->core =
mlx5_eq_create_generic(dev->mdev, );
d5d284b829a6eb Saeed Mahameed 2018-11-19 1568 if (IS_ERR(eq->core)) {
d5d284b829a6eb Saeed Mahameed 2018-11-19 1569 err =
PTR_ERR(eq->core);
d5d284b829a6eb Saeed Mahameed 2018-11-19 1570 goto err_wq;
d5d284b829a6eb Saeed Mahameed 2018-11-19 1571 }
1f8a7bee27e63d Yuval Avnery2019-06-10 1572 err =
mlx5_eq_enable(dev->mdev, eq->core, >irq_nb);
1f8a7bee27e63d Yuval Avnery2019-06-10 1573 if (err) {
1f8a7bee27e63d Yuval Avnery2019-06-10 1574
mlx5_ib_err(dev, "failed to enable odp EQ %d\n", err);
1f8a7bee27e63d Yuval Avnery2019-06-10 1575 goto err_eq;
1f8a7bee27e63d Yuval Avnery2019-06-10 1576 }
d5d284b829a6eb Saeed Mahameed 2018-11-19 1577
ad50294d4d6b57 Shay Drory 2021-03-14 1578
mutex_unlock(>odp_eq_mutex);
d5d284b829a6eb Saeed Mahameed 2018-11-19 1579 return 0;
1f8a7bee27e63d Yuval Avnery2019-06-10 1580 err_eq:
1f8a7bee27e63d Yuval Avnery2019-06-10 1581
mlx5_eq_destroy_generic(dev->mdev, eq->core);
d5d284b829a6eb Saeed Mahameed 2018-11-19 1582 err_wq:
ad50294d4d6b57 Shay Drory 2021-03-14 1583 eq-&g
[kbuild] [linux-next:master 12249/14231] sound/soc/intel/boards/kbl_da7219_max98927.c:291 kabylake_ssp_fixup() warn: ignoring unreachable code.
CC: kbuild-...@lists.01.org
CC: Linux Memory Management List
TO: Lukasz Majczak
CC: Mark Brown
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: b74523885a715463203d4ccc3cf8c85952d3701a
commit: a523ef731ac6674dc07574f31bf44cc5bfa14e4d [12249/14231] ASoC: Intel:
kbl_da7219_max98927: Fix kabylake_ssp_fixup function
:: branch date: 6 hours ago
:: commit date: 6 days ago
config: i386-randconfig-m031-20210421 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
sound/soc/intel/boards/kbl_da7219_max98927.c:291 kabylake_ssp_fixup() warn:
ignoring unreachable code.
Old smatch warnings:
sound/soc/intel/boards/kbl_da7219_max98927.c:300 kabylake_ssp_fixup() warn:
ignoring unreachable code.
vim +291 sound/soc/intel/boards/kbl_da7219_max98927.c
bca0ac1d96739c Mac Chiang 2018-10-09 276
bca0ac1d96739c Mac Chiang 2018-10-09 277 static int
kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
bca0ac1d96739c Mac Chiang 2018-10-09 278 struct
snd_pcm_hw_params *params)
bca0ac1d96739c Mac Chiang 2018-10-09 279 {
bca0ac1d96739c Mac Chiang 2018-10-09 280 struct snd_interval
*rate = hw_param_interval(params,
bca0ac1d96739c Mac Chiang 2018-10-09 281
SNDRV_PCM_HW_PARAM_RATE);
1a29c760663624 Pierre-Louis Bossart 2020-01-13 282 struct snd_interval
*chan = hw_param_interval(params,
bca0ac1d96739c Mac Chiang 2018-10-09 283
SNDRV_PCM_HW_PARAM_CHANNELS);
bca0ac1d96739c Mac Chiang 2018-10-09 284 struct snd_mask *fmt =
hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
a523ef731ac667 Lukasz Majczak 2021-04-15 285 struct snd_soc_dpcm
*dpcm, *rtd_dpcm = NULL;
bca0ac1d96739c Mac Chiang 2018-10-09 286
a523ef731ac667 Lukasz Majczak 2021-04-15 287 /*
a523ef731ac667 Lukasz Majczak 2021-04-15 288 * The following loop
will be called only for playback stream
a523ef731ac667 Lukasz Majczak 2021-04-15 289 * In this platform,
there is only one playback device on every SSP
a523ef731ac667 Lukasz Majczak 2021-04-15 290 */
a523ef731ac667 Lukasz Majczak 2021-04-15 @291 for_each_dpcm_fe(rtd,
SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
a523ef731ac667 Lukasz Majczak 2021-04-15 292 rtd_dpcm = dpcm;
a523ef731ac667 Lukasz Majczak 2021-04-15 293 break;
a523ef731ac667 Lukasz Majczak 2021-04-15 294 }
a523ef731ac667 Lukasz Majczak 2021-04-15 295
a523ef731ac667 Lukasz Majczak 2021-04-15 296 /*
a523ef731ac667 Lukasz Majczak 2021-04-15 297 * This following loop
will be called only for capture stream
a523ef731ac667 Lukasz Majczak 2021-04-15 298 * In this platform,
there is only one capture device on every SSP
a523ef731ac667 Lukasz Majczak 2021-04-15 299 */
a523ef731ac667 Lukasz Majczak 2021-04-15 300 for_each_dpcm_fe(rtd,
SNDRV_PCM_STREAM_CAPTURE, dpcm) {
a523ef731ac667 Lukasz Majczak 2021-04-15 301 rtd_dpcm = dpcm;
a523ef731ac667 Lukasz Majczak 2021-04-15 302 break;
a523ef731ac667 Lukasz Majczak 2021-04-15 303 }
a523ef731ac667 Lukasz Majczak 2021-04-15 304
a523ef731ac667 Lukasz Majczak 2021-04-15 305 if (!rtd_dpcm)
a523ef731ac667 Lukasz Majczak 2021-04-15 306 return -EINVAL;
a523ef731ac667 Lukasz Majczak 2021-04-15 307
a523ef731ac667 Lukasz Majczak 2021-04-15 308 /*
a523ef731ac667 Lukasz Majczak 2021-04-15 309 * The above 2 loops
are mutually exclusive based on the stream direction,
a523ef731ac667 Lukasz Majczak 2021-04-15 310 * thus rtd_dpcm
variable will never be overwritten
a523ef731ac667 Lukasz Majczak 2021-04-15 311 */
716d53cc7837ae Jenny TC 2019-02-25 312 /*
716d53cc7837ae Jenny TC 2019-02-25 313 * Topology for
kblda7219m98373 & kblmax98373 supports only S24_LE,
716d53cc7837ae Jenny TC 2019-02-25 314 * where as
kblda7219m98927 & kblmax98927 supports S16_LE by default.
716d53cc7837ae Jenny TC 2019-02-25 315 * Skipping the port
wise FE and BE configuration for kblda7219m98373 &
716d53cc7837ae Jenny TC 2019-02-25 316 * kblmax98373 as the
topology (FE & BE) supports S24_LE only.
716d53cc7837ae Jenny TC 2019-02-25 317 */
716d53cc7837ae Jenny TC 2019-02-25 318
716d53cc7837ae Jenny TC 2019-02-25 319 if
(!strcmp(rtd->card->name, "kblda7219m98373") ||
716d53cc7837ae Jenny TC 2019-02-25 320
!strcmp(rtd->card->name, "kblmax98373")) {
716
[kbuild] Re: [PATCH v3 23/26] xprtrdma: Move cqe to struct rpcrdma_mr
CC: kbuild-...@lists.01.org
In-Reply-To:
<161885544311.38598.17973108446796585522.st...@manet.1015granger.net>
References:
<161885544311.38598.17973108446796585522.st...@manet.1015granger.net>
TO: Chuck Lever
TO: tron...@hammerspace.com
CC: linux-...@vger.kernel.org
CC: linux-r...@vger.kernel.org
Hi Chuck,
I love your patch! Perhaps something to improve:
[auto build test WARNING on tip/perf/core]
[also build test WARNING on v5.12-rc8]
[cannot apply to nfs/linux-next next-20210421]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Chuck-Lever/NFS-RDMA-client-patches-for-next/20210420-020504
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
5deac80d4571dffb51f452f0027979d72259a1b9
:: branch date: 2 days ago
:: commit date: 2 days ago
config: x86_64-randconfig-m001-20210421 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
net/sunrpc/xprtrdma/frwr_ops.c:546 frwr_unmap_sync() error: potentially
dereferencing uninitialized 'last'.
net/sunrpc/xprtrdma/frwr_ops.c:647 frwr_unmap_async() error: potentially
dereferencing uninitialized 'last'.
vim +/last +546 net/sunrpc/xprtrdma/frwr_ops.c
847568942f93e0 Chuck Lever 2019-06-19 493
847568942f93e0 Chuck Lever 2019-06-19 494 /**
847568942f93e0 Chuck Lever 2019-06-19 495 * frwr_unmap_sync - invalidate
memory regions that were registered for @req
847568942f93e0 Chuck Lever 2019-06-19 496 * @r_xprt: controlling
transport instance
847568942f93e0 Chuck Lever 2019-06-19 497 * @req: rpcrdma_req with a
non-empty list of MRs to process
9d6b0409788287 Chuck Lever 2016-06-29 498 *
847568942f93e0 Chuck Lever 2019-06-19 499 * Sleeps until it is safe for
the host CPU to access the previously mapped
d8099feda4833b Chuck Lever 2019-06-19 500 * memory regions. This
guarantees that registered MRs are properly fenced
d8099feda4833b Chuck Lever 2019-06-19 501 * from the server before the
RPC consumer accesses the data in them. It
d8099feda4833b Chuck Lever 2019-06-19 502 * also ensures proper Send
flow control: waking the next RPC waits until
d8099feda4833b Chuck Lever 2019-06-19 503 * this RPC has relinquished
all its Send Queue entries.
c9918ff56dfb17 Chuck Lever 2015-12-16 504 */
847568942f93e0 Chuck Lever 2019-06-19 505 void frwr_unmap_sync(struct
rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
c9918ff56dfb17 Chuck Lever 2015-12-16 506 {
d34ac5cd3a73aa Bart Van Assche 2018-07-18 507 struct ib_send_wr
*first, **prev, *last;
5ecef9c8436695 Chuck Lever 2020-11-09 508 struct rpcrdma_ep *ep =
r_xprt->rx_ep;
d34ac5cd3a73aa Bart Van Assche 2018-07-18 509 const struct ib_send_wr
*bad_wr;
ce5b3717828356 Chuck Lever 2017-12-14 510 struct rpcrdma_frwr
*frwr;
96ceddea3710f6 Chuck Lever 2017-12-14 511 struct rpcrdma_mr *mr;
847568942f93e0 Chuck Lever 2019-06-19 512 int rc;
c9918ff56dfb17 Chuck Lever 2015-12-16 513
451d26e151f079 Chuck Lever 2017-06-08 514 /* ORDER: Invalidate
all of the MRs first
c9918ff56dfb17 Chuck Lever 2015-12-16 515 *
c9918ff56dfb17 Chuck Lever 2015-12-16 516 * Chain the LOCAL_INV
Work Requests and post them with
c9918ff56dfb17 Chuck Lever 2015-12-16 517 * a single
ib_post_send() call.
c9918ff56dfb17 Chuck Lever 2015-12-16 518 */
ce5b3717828356 Chuck Lever 2017-12-14 519 frwr = NULL;
a100fda1a2e1fa Chuck Lever 2016-11-29 520 prev =
265a38d4611360 Chuck Lever 2019-08-19 521 while ((mr =
rpcrdma_mr_pop(>rl_registered))) {
96ceddea3710f6 Chuck Lever 2017-12-14 522
d379eaa838f181 Chuck Lever 2018-10-01 523
trace_xprtrdma_mr_localinv(mr);
847568942f93e0 Chuck Lever 2019-06-19 524
r_xprt->rx_stats.local_inv_needed++;
a100fda1a2e1fa Chuck Lever 2016-11-29 525
847568942f93e0 Chuck Lever 2019-06-19 526 frwr =
>frwr;
ce5b3717828356 Chuck Lever 2017-12-14 527 last =
>fr_invwr;
847568942f93e0 Chuck Lever 2019-06-19 528 last->next =
NULL;
c974afbfa9803a Chuck Lever 2021-04-19 529 last->wr_cqe =
>mr_cqe;
847568942f93e0 Chuck Lever 2019-06-19 530 last->sg_list =
NULL;
847568942f93e0 Chuck Lever 2019-06-19 531 last->num_sge =
0;
a100fda1a2e1fa Chuck Lever 2016-11-29 532 last->opcode =
IB_WR_LOCAL_INV;
847568942f93e0 Chuck Lever 2019-06-19 533
[kbuild] Re: [PATCH v2] virtio_blk: Add support for lifetime feature
CC: kbuild-...@lists.01.org
In-Reply-To: <20210416194709.155497-1-egran...@google.com>
References: <20210416194709.155497-1-egran...@google.com>
TO: Enrico Granata
Hi Enrico,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on block/for-next]
[also build test WARNING on linus/master v5.12-rc8]
[cannot apply to vhost/linux-next next-20210421]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Enrico-Granata/virtio_blk-Add-support-for-lifetime-feature/20210417-034754
base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
for-next
:: branch date: 5 days ago
:: commit date: 5 days ago
config: i386-randconfig-m021-20210421 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/block/virtio_blk.c:256 virtio_queue_rq() error: uninitialized symbol
'type'.
Old smatch warnings:
drivers/block/virtio_blk.c:258 virtio_queue_rq() error: uninitialized symbol
'type'.
vim +/type +256 drivers/block/virtio_blk.c
944e7c87967c82 Jens Axboe 2018-11-26 216
fc17b6534eb839 Christoph Hellwig 2017-06-03 217 static blk_status_t
virtio_queue_rq(struct blk_mq_hw_ctx *hctx,
74c450521dd8d2 Jens Axboe 2014-10-29 218
const struct blk_mq_queue_data *bd)
e467cde238184d Rusty Russell 2007-10-22 219 {
1cf7e9c68fe842 Jens Axboe 2013-11-01 220 struct virtio_blk *vblk
= hctx->queue->queuedata;
74c450521dd8d2 Jens Axboe 2014-10-29 221 struct request *req =
bd->rq;
9d74e25737d73e Christoph Hellwig 2014-04-14 222 struct virtblk_req *vbr
= blk_mq_rq_to_pdu(req);
1cf7e9c68fe842 Jens Axboe 2013-11-01 223 unsigned long flags;
20af3cfd20145f Paolo Bonzini 2013-03-20 224 unsigned int num;
6a27b656fc0210 Ming Lei 2014-06-26 225 int qid =
hctx->queue_num;
5261b85e586afe Rusty Russell 2014-03-13 226 int err;
e8edca6f7f9223 Ming Lei 2014-05-30 227 bool notify = false;
1f23816b8eb8fd Changpeng Liu 2018-11-01 228 bool unmap = false;
aebf526b53aea1 Christoph Hellwig 2017-01-31 229 u32 type;
e467cde238184d Rusty Russell 2007-10-22 230
1cf7e9c68fe842 Jens Axboe 2013-11-01 231
BUG_ON(req->nr_phys_segments + 2 > vblk->sg_elems);
e467cde238184d Rusty Russell 2007-10-22 232
aebf526b53aea1 Christoph Hellwig 2017-01-31 233 switch (req_op(req)) {
aebf526b53aea1 Christoph Hellwig 2017-01-31 234 case REQ_OP_READ:
aebf526b53aea1 Christoph Hellwig 2017-01-31 235 case REQ_OP_WRITE:
aebf526b53aea1 Christoph Hellwig 2017-01-31 236 type = 0;
f1b0ef06260271 Christoph Hellwig 2009-09-17 237 break;
aebf526b53aea1 Christoph Hellwig 2017-01-31 238 case REQ_OP_FLUSH:
aebf526b53aea1 Christoph Hellwig 2017-01-31 239 type =
VIRTIO_BLK_T_FLUSH;
f1b0ef06260271 Christoph Hellwig 2009-09-17 240 break;
1f23816b8eb8fd Changpeng Liu 2018-11-01 241 case REQ_OP_DISCARD:
1f23816b8eb8fd Changpeng Liu 2018-11-01 242 type =
VIRTIO_BLK_T_DISCARD;
1f23816b8eb8fd Changpeng Liu 2018-11-01 243 break;
1f23816b8eb8fd Changpeng Liu 2018-11-01 244 case
REQ_OP_WRITE_ZEROES:
1f23816b8eb8fd Changpeng Liu 2018-11-01 245 type =
VIRTIO_BLK_T_WRITE_ZEROES;
1f23816b8eb8fd Changpeng Liu 2018-11-01 246 unmap =
!(req->cmd_flags & REQ_NOUNMAP);
1f23816b8eb8fd Changpeng Liu 2018-11-01 247 break;
aebf526b53aea1 Christoph Hellwig 2017-01-31 248 case REQ_OP_DRV_IN:
fc90f60f9bc3b5 Enrico Granata 2021-04-16 249 break; /* type
already set for custom requests */
f1b0ef06260271 Christoph Hellwig 2009-09-17 250 default:
aebf526b53aea1 Christoph Hellwig 2017-01-31 251 WARN_ON_ONCE(1);
fc17b6534eb839 Christoph Hellwig 2017-06-03 252 return
BLK_STS_IOERR;
dd40e456a40ebb FUJITA Tomonori2010-07-03 253 }
e467cde238184d Rusty Russell 2007-10-22 254
fc90f60f9bc3b5 Enrico Granata 2021-04-16 255 if (req_op(req) !=
REQ_OP_DRV_IN)
aebf526b53aea1 Christoph Hellwig 2017-01-31 @256
vbr->out_hdr.type = cpu_to_virtio32(vblk->vdev, type);
fc90f60f9bc3b5 Enrico Granata 2021-04-16 257
aebf526b53aea1 Christoph Hellwig 2017-01-31 258 vbr->out_hdr.sector =
type ?
aebf526b53aea1 Christoph Hellwig 2017-01-31 259 0 :
cpu_to_virtio64(vblk->vdev, blk_rq_pos(req));
aebf526b53aea1 Christoph Hellwig 2017-01-
[kbuild] [linux-next:master 12103/14231] drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c:369 intel_crosststamp() warn: inconsistent returns '>aux_ts_lock'.
CC: kbuild-...@lists.01.org
CC: Linux Memory Management List
TO: Tan Tee Min
CC: Wong Vee Khee
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: b74523885a715463203d4ccc3cf8c85952d3701a
commit: f4da56529da602010979e8497d1f02eaf5df8883 [12103/14231] net: stmmac: Add
support for external trigger timestamping
:: branch date: 4 hours ago
:: commit date: 7 days ago
config: x86_64-randconfig-m001-20210421 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c:369 intel_crosststamp() warn:
inconsistent returns '>aux_ts_lock'.
vim +369 drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
341f67e424e572 Tan Tee Min 2021-03-23 274
341f67e424e572 Tan Tee Min 2021-03-23 275 static int
intel_crosststamp(ktime_t *device,
341f67e424e572 Tan Tee Min 2021-03-23 276 struct
system_counterval_t *system,
341f67e424e572 Tan Tee Min 2021-03-23 277 void *ctx)
341f67e424e572 Tan Tee Min 2021-03-23 278 {
341f67e424e572 Tan Tee Min 2021-03-23 279struct intel_priv_data
*intel_priv;
341f67e424e572 Tan Tee Min 2021-03-23 280
341f67e424e572 Tan Tee Min 2021-03-23 281struct stmmac_priv *priv =
(struct stmmac_priv *)ctx;
341f67e424e572 Tan Tee Min 2021-03-23 282void __iomem *ptpaddr =
priv->ptpaddr;
341f67e424e572 Tan Tee Min 2021-03-23 283void __iomem *ioaddr =
priv->hw->pcsr;
341f67e424e572 Tan Tee Min 2021-03-23 284unsigned long flags;
341f67e424e572 Tan Tee Min 2021-03-23 285u64 art_time = 0;
341f67e424e572 Tan Tee Min 2021-03-23 286u64 ptp_time = 0;
341f67e424e572 Tan Tee Min 2021-03-23 287u32 num_snapshot;
341f67e424e572 Tan Tee Min 2021-03-23 288u32 gpio_value;
341f67e424e572 Tan Tee Min 2021-03-23 289u32 acr_value;
341f67e424e572 Tan Tee Min 2021-03-23 290int ret;
341f67e424e572 Tan Tee Min 2021-03-23 291u32 v;
341f67e424e572 Tan Tee Min 2021-03-23 292int i;
341f67e424e572 Tan Tee Min 2021-03-23 293
341f67e424e572 Tan Tee Min 2021-03-23 294if
(!boot_cpu_has(X86_FEATURE_ART))
341f67e424e572 Tan Tee Min 2021-03-23 295return -EOPNOTSUPP;
341f67e424e572 Tan Tee Min 2021-03-23 296
341f67e424e572 Tan Tee Min 2021-03-23 297intel_priv =
priv->plat->bsp_priv;
341f67e424e572 Tan Tee Min 2021-03-23 298
f4da56529da602 Tan Tee Min 2021-04-14 299/* Both internal
crosstimestamping and external triggered event
f4da56529da602 Tan Tee Min 2021-04-14 300 * timestamping cannot be run
concurrently.
f4da56529da602 Tan Tee Min 2021-04-14 301 */
f4da56529da602 Tan Tee Min 2021-04-14 302if (priv->plat->ext_snapshot_en)
f4da56529da602 Tan Tee Min 2021-04-14 303return -EBUSY;
f4da56529da602 Tan Tee Min 2021-04-14 304
f4da56529da602 Tan Tee Min 2021-04-14 305mutex_lock(>aux_ts_lock);
341f67e424e572 Tan Tee Min 2021-03-23 306/* Enable Internal snapshot
trigger */
341f67e424e572 Tan Tee Min 2021-03-23 307acr_value = readl(ptpaddr +
PTP_ACR);
341f67e424e572 Tan Tee Min 2021-03-23 308acr_value &= ~PTP_ACR_MASK;
341f67e424e572 Tan Tee Min 2021-03-23 309switch
(priv->plat->int_snapshot_num) {
341f67e424e572 Tan Tee Min 2021-03-23 310case AUX_SNAPSHOT0:
341f67e424e572 Tan Tee Min 2021-03-23 311acr_value |=
PTP_ACR_ATSEN0;
341f67e424e572 Tan Tee Min 2021-03-23 312break;
341f67e424e572 Tan Tee Min 2021-03-23 313case AUX_SNAPSHOT1:
341f67e424e572 Tan Tee Min 2021-03-23 314acr_value |=
PTP_ACR_ATSEN1;
341f67e424e572 Tan Tee Min 2021-03-23 315break;
341f67e424e572 Tan Tee Min 2021-03-23 316case AUX_SNAPSHOT2:
341f67e424e572 Tan Tee Min 2021-03-23 317acr_value |=
PTP_ACR_ATSEN2;
341f67e424e572 Tan Tee Min 2021-03-23 318break;
341f67e424e572 Tan Tee Min 2021-03-23 319case AUX_SNAPSHOT3:
341f67e424e572 Tan Tee Min 2021-03-23 320acr_value |=
PTP_ACR_ATSEN3;
341f67e424e572 Tan Tee Min 2021-03-23 321break;
341f67e424e572 Tan Tee Min 2021-03-23 322default:
341f67e424e572 Tan Tee Min 2021-03-23 323return -EINVAL;
341f67e424e572 Tan Tee Min 2021-03-23 324}
341f67e424e572 Tan Tee Min 2021-03-23 325writel(acr_value, ptpaddr +
PTP_ACR);
341f67e424e572 Tan Tee Min 2021-03-23 326
341f67e424e572 Tan Tee Min 2021-03-23 327/* Clear FIFO */
341f67e424e572 Tan Tee Min 2021-03-23 328acr_value = readl(ptpaddr +
PTP_ACR);
341f67e424e572 Tan Tee Min 2021-03-23 329acr_value |= PTP_ACR_ATSFC;
341f67e424e572 Tan Tee Min 2021-03-23 330writel(acr_value, ptpaddr +
PTP_ACR);
f4da56529da602 Tan Te
[kbuild] [linux-next:master 2524/14231] drivers/net/ethernet/mellanox/mlx5/core/main.c:1245 mlx5_init_one() warn: missing error code 'err'
CC: kbuild-...@lists.01.org
CC: Linux Memory Management List
TO: Leon Romanovsky
CC: Saeed Mahameed
CC: Moshe Shemesh
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: b74523885a715463203d4ccc3cf8c85952d3701a
commit: 6dea2f7eff9659049f90922283756830364e6278 [2524/14231] net/mlx5:
Separate probe vs. reload flows
:: branch date:
:: commit date: 6 weeks ago
config: x86_64-randconfig-m001-20210421 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/net/ethernet/mellanox/mlx5/core/main.c:1245 mlx5_init_one() warn:
missing error code 'err'
Old smatch warnings:
drivers/net/ethernet/mellanox/mlx5/core/main.c:1322 mlx5_load_one() warn:
missing error code 'err'
vim +/err +1245 drivers/net/ethernet/mellanox/mlx5/core/main.c
59211bd3b6329c Mohamad Haj Yahia 2016-09-09 1237
6dea2f7eff9659 Leon Romanovsky 2020-11-02 1238 int mlx5_init_one(struct
mlx5_core_dev *dev)
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1239 {
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1240 int err = 0;
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1241
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1242
mutex_lock(>intf_state_mutex);
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1243 if
(test_bit(MLX5_INTERFACE_STATE_UP, >intf_state)) {
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1244
mlx5_core_warn(dev, "interface is up, NOP\n");
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 @1245 goto out;
1bde6e301cf621 Eli Cohen 2014-01-14 1246 }
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1247 /* remove any previous
indication of internal error */
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1248 dev->state =
MLX5_DEVICE_STATE_UP;
e126ba97dba9ed Eli Cohen 2013-07-07 1249
6dea2f7eff9659 Leon Romanovsky 2020-11-02 1250 err =
mlx5_function_setup(dev, true);
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1251 if (err)
4f7400d5cbaef6 Shay Drory2020-05-06 1252 goto
err_function;
e126ba97dba9ed Eli Cohen 2013-07-07 1253
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1254 err =
mlx5_init_once(dev);
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1255 if (err) {
98a8e6fc482d96 Huy Nguyen2019-03-29 1256
mlx5_core_err(dev, "sw objs init failed\n");
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1257 goto
function_teardown;
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1258 }
cd23b14b654769 Eli Cohen 2013-07-18 1259
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1260 err = mlx5_load(dev);
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1261 if (err)
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1262 goto err_load;
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1263
98f91c45769302 Parav Pandit 2020-05-15 1264
set_bit(MLX5_INTERFACE_STATE_UP, >intf_state);
98f91c45769302 Parav Pandit 2020-05-15 1265
a6f3b62386a02c Michael Guralnik 2019-11-20 1266 err =
mlx5_devlink_register(priv_to_devlink(dev), dev->device);
a6f3b62386a02c Michael Guralnik 2019-11-20 1267 if (err)
a6f3b62386a02c Michael Guralnik 2019-11-20 1268 goto
err_devlink_reg;
a925b5e309c9b9 Leon Romanovsky 2020-10-08 1269
a925b5e309c9b9 Leon Romanovsky 2020-10-08 1270 err =
mlx5_register_device(dev);
a925b5e309c9b9 Leon Romanovsky 2020-10-08 1271 if (err)
a925b5e309c9b9 Leon Romanovsky 2020-10-08 1272 goto
err_register;
a925b5e309c9b9 Leon Romanovsky 2020-10-08 1273
4162f58b476b24 Parav Pandit 2020-05-01 1274
mutex_unlock(>intf_state_mutex);
4162f58b476b24 Parav Pandit 2020-05-01 1275 return 0;
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1276
a925b5e309c9b9 Leon Romanovsky 2020-10-08 1277 err_register:
a925b5e309c9b9 Leon Romanovsky 2020-10-08 1278
mlx5_devlink_unregister(priv_to_devlink(dev));
a6f3b62386a02c Michael Guralnik 2019-11-20 1279 err_devlink_reg:
98f91c45769302 Parav Pandit 2020-05-15 1280
clear_bit(MLX5_INTERFACE_STATE_UP, >intf_state);
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1281 mlx5_unload(dev);
a80d1b68c8b7a0 Saeed Mahameed2019-03-29 1282 err_load:
59211bd3b6329c Mohamad Haj Yahia 2016-09-09 1283 mlx5_cleanup_once(dev);
e161105e58da81 Saeed Mahameed2019-03-29 1284 function_teardown:
6dea2f7eff9659 Leon Romanovsky 2020-11-02 1285
mlx5_function_teardown(dev, true);
4f7400d5cbaef6 Shay Drory2020-05-06 1286 err_function:
89d44f0a6c732d Majd Dibbiny 2015-10-14 1287 dev->state =
MLX5_DEVICE_STATE_INTERNAL_ERROR;
4162f58b476b24 Parav Pandit 2020-05-01 1288 out:
89d44f0a6c732d Majd Dibbi
[kbuild] [ti:ti-rt-linux-5.10.y 3637/3763] drivers/pci/endpoint/pci-epf-core.c:169 pci_epf_add_vepf() warn: inconsistent returns '_pf->lock'.
CC: kbuild-...@lists.01.org
TO: Kishon Vijay Abraham I
CC: Vignesh Raghavendra
tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-rt-linux-5.10.y
head: 995afcca2f9a28d16436145821b35c19fc180021
commit: 0cf43e35b1743dc43574089fcf3ff71d8cd2ae39 [3637/3763] PCI: endpoint: Add
support to add virtual function in endpoint core
:: branch date: 5 hours ago
:: commit date: 3 weeks ago
config: x86_64-randconfig-m001-20210421 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
drivers/pci/endpoint/pci-epf-core.c:169 pci_epf_add_vepf() warn: inconsistent
returns '_pf->lock'.
vim +169 drivers/pci/endpoint/pci-epf-core.c
5e8cb4033807e3 Kishon Vijay Abraham I 2017-04-10 130
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 131 /**
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 132 * pci_epf_add_vepf() -
associate virtual EP function to physical EP function
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 133 * @epf_pf: the physical
EP function to which the virtual EP function should be
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 134 * associated
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 135 * @epf_vf: the virtual
EP function to be added
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 136 *
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 137 * A physical endpoint
function can be associated with multiple virtual
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 138 * endpoint functions.
Invoke pci_epf_add_epf() to add a virtual PCI endpoint
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 139 * function to a
physical PCI endpoint function.
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 140 */
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 141 int
pci_epf_add_vepf(struct pci_epf *epf_pf, struct pci_epf *epf_vf)
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 142 {
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 143 u32 vfunc_no;
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 144
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 145 if
(IS_ERR_OR_NULL(epf_pf) || IS_ERR_OR_NULL(epf_vf))
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 146 return -EINVAL;
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 147
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 148 if (epf_pf->epc ||
epf_vf->epc || epf_vf->epf_pf)
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 149 return -EBUSY;
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 150
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 151 if (epf_pf->sec_epc ||
epf_vf->sec_epc)
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 152 return -EBUSY;
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 153
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 154
mutex_lock(_pf->lock);
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 155 vfunc_no =
find_first_zero_bit(_pf->vfunction_num_map,
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 156
BITS_PER_LONG);
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 157 if (vfunc_no >=
BITS_PER_LONG)
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 158 return -EINVAL;
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 159
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 160 set_bit(vfunc_no,
_pf->vfunction_num_map);
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 161 epf_vf->vfunc_no =
vfunc_no;
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 162
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 163 epf_vf->epf_pf = epf_pf;
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 164 epf_vf->is_vf = true;
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 165
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 166
list_add_tail(_vf->list, _pf->pci_vepf);
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 167
mutex_unlock(_pf->lock);
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 168
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 @169 return 0;
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 170 }
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 171
EXPORT_SYMBOL_GPL(pci_epf_add_vepf);
0cf43e35b1743d Kishon Vijay Abraham I 2021-03-30 172
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
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[kbuild] [gfs2:extents 5/5] fs/gfs2/extents.c:109:23-27: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
CC: kbuild-...@lists.01.org
CC: cluster-de...@redhat.com
TO: Andreas Gruenbacher
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git
extents
head: 114e06345e5b8ed56456caaeeedde7b93bb99af7
commit: 114e06345e5b8ed56456caaeeedde7b93bb99af7 [5/5] gfs2: Add some initial
extents-based inode code
:: branch date: 6 hours ago
:: commit date: 6 hours ago
config: i386-allmodconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Julia Lawall
cocci warnings: (new ones prefixed by >>)
>> fs/gfs2/extents.c:109:23-27: WARNING use flexible-array member instead
>> (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
vim +109 fs/gfs2/extents.c
114e06345e5b8e Andreas Gruenbacher 2021-03-25 101
114e06345e5b8e Andreas Gruenbacher 2021-03-25 102 /*
114e06345e5b8e Andreas Gruenbacher 2021-03-25 103 * The path components in
struct gfs2_extent_path are stored in "reverse"
114e06345e5b8e Andreas Gruenbacher 2021-03-25 104 * order: the leaf is
stored first, and when the tree grows at the root,
114e06345e5b8e Andreas Gruenbacher 2021-03-25 105 * this happens at the end
of the array.
114e06345e5b8e Andreas Gruenbacher 2021-03-25 106 */
114e06345e5b8e Andreas Gruenbacher 2021-03-25 107 struct gfs2_extent_path {
114e06345e5b8e Andreas Gruenbacher 2021-03-25 108 unsigned int p_height;
114e06345e5b8e Andreas Gruenbacher 2021-03-25 @109 struct gfs2_extent_pc
p_pc[1];
114e06345e5b8e Andreas Gruenbacher 2021-03-25 110 };
114e06345e5b8e Andreas Gruenbacher 2021-03-25 111
---
0-DAY CI Kernel Test Service, Intel Corporation
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[kbuild] drivers/mtd/nand/raw/nandsim.c:1792 ns_switch_state() error: we previously assumed 'ns->op' could be null (see line 1714)
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Miquel Raynal
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 1fe5501ba1abf2b7e78295df73675423bd6899a0
commit: 88f9f3e89a8ad1594c4d9c599bdf9c904e3976fe mtd: rawnand: nandsim: Use a
consistent ns_ prefix for all functions
date: 11 months ago
:: branch date: 14 hours ago
:: commit date: 11 months ago
config: i386-randconfig-m031-20210421 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
drivers/mtd/nand/raw/nandsim.c:1792 ns_switch_state() error: we previously
assumed 'ns->op' could be null (see line 1714)
vim +1792 drivers/mtd/nand/raw/nandsim.c
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1708
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1709
/*
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1710
* Switch simulator's state.
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1711
*/
88f9f3e89a8ad1 drivers/mtd/nand/raw/nandsim.c Miquel Raynal2020-05-25 1712
static void ns_switch_state(struct nandsim *ns)
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1713
{
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 @1714
if (ns->op) {
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1715
/*
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1716
* The current operation have already been identified.
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1717
* Just follow the states chain.
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1718
*/
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1719
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1720
ns->stateidx += 1;
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1721
ns->state = ns->nxstate;
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1722
ns->nxstate = ns->op[ns->stateidx + 1];
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1723
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1724
NS_DBG("switch_state: operation is known, switch to the next
state, "
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1725
"state: %s, nxstate: %s\n",
88f9f3e89a8ad1 drivers/mtd/nand/raw/nandsim.c Miquel Raynal2020-05-25 1726
ns_get_state_name(ns->state),
88f9f3e89a8ad1 drivers/mtd/nand/raw/nandsim.c Miquel Raynal2020-05-25 1727
ns_get_state_name(ns->nxstate));
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1728
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1729
/* See, whether we need to do some action */
88f9f3e89a8ad1 drivers/mtd/nand/raw/nandsim.c Miquel Raynal2020-05-25 1730
if ((ns->state & ACTION_MASK) &&
88f9f3e89a8ad1 drivers/mtd/nand/raw/nandsim.c Miquel Raynal2020-05-25 1731
ns_do_state_action(ns, ns->state) < 0) {
88f9f3e89a8ad1 drivers/mtd/nand/raw/nandsim.c Miquel Raynal2020-05-25 1732
ns_switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1733
return;
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1734
}
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1735
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1736
} else {
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1737
/*
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1738
* We don't yet know which operation we perform.
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1739
* Try to identify it.
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1740
*/
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1741
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1742
/*
^1da177e4c3f41 drivers/mtd/nand/nandsim.c Linus Torvalds 2005-04-16 1743
* The only event causing
[kbuild] drivers/rtc/rtc-mxc_v2.c:115:12: sparse: sparse: context imbalance in 'mxc_rtc_lock' - wrong count at exit
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Alexandre Belloni
CC: Fabio Estevam
Hi Alexandre,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 1fe5501ba1abf2b7e78295df73675423bd6899a0
commit: 0020868f2a7037e87d6b3b196526de2fb885830d rtc: mxc{,_v2}: enable
COMPILE_TEST
date: 5 months ago
:: branch date: 14 hours ago
:: commit date: 5 months ago
config: openrisc-randconfig-s032-20210421 (attached as .config)
compiler: or1k-linux-gcc (GCC) 9.3.0
reproduce:
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-341-g8af24329-dirty
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0020868f2a7037e87d6b3b196526de2fb885830d
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 0020868f2a7037e87d6b3b196526de2fb885830d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=openrisc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
sparse warnings: (new ones prefixed by >>)
>> drivers/rtc/rtc-mxc_v2.c:115:12: sparse: sparse: context imbalance in
>> 'mxc_rtc_lock' - wrong count at exit
drivers/rtc/rtc-mxc_v2.c:128:12: sparse: sparse: context imbalance in
'mxc_rtc_unlock' - unexpected unlock
vim +/mxc_rtc_lock +115 drivers/rtc/rtc-mxc_v2.c
83c880f79e88cc6 Patrick Bruenn 2017-12-18 110
83c880f79e88cc6 Patrick Bruenn 2017-12-18 111 /*
83c880f79e88cc6 Patrick Bruenn 2017-12-18 112 * Enable clk and aquire
spinlock
83c880f79e88cc6 Patrick Bruenn 2017-12-18 113 * @return 0 if successful;
non-zero otherwise.
83c880f79e88cc6 Patrick Bruenn 2017-12-18 114 */
83c880f79e88cc6 Patrick Bruenn 2017-12-18 @115 static int mxc_rtc_lock(struct
mxc_rtc_data *const pdata)
83c880f79e88cc6 Patrick Bruenn 2017-12-18 116 {
83c880f79e88cc6 Patrick Bruenn 2017-12-18 117 int ret;
83c880f79e88cc6 Patrick Bruenn 2017-12-18 118
83c880f79e88cc6 Patrick Bruenn 2017-12-18 119
spin_lock_irq(>lock);
83c880f79e88cc6 Patrick Bruenn 2017-12-18 120 ret =
clk_enable(pdata->clk);
83c880f79e88cc6 Patrick Bruenn 2017-12-18 121 if (ret) {
83c880f79e88cc6 Patrick Bruenn 2017-12-18 122
spin_unlock_irq(>lock);
83c880f79e88cc6 Patrick Bruenn 2017-12-18 123 return ret;
83c880f79e88cc6 Patrick Bruenn 2017-12-18 124 }
83c880f79e88cc6 Patrick Bruenn 2017-12-18 125 return 0;
83c880f79e88cc6 Patrick Bruenn 2017-12-18 126 }
83c880f79e88cc6 Patrick Bruenn 2017-12-18 127
:: The code at line 115 was first introduced by commit
:: 83c880f79e88cc60593f627e612326f5d43db81e rtc: add mxc driver for i.MX53
SRTC
:: TO: Patrick Bruenn
:: CC: Alexandre Belloni
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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