[kbuild] [ulf.hansson-mmc:next 96/98] drivers/mmc/host/toshsd.c:159:20: sparse: context imbalance in 'toshsd_thread_irq' - different lock contexts for basic block
TO: Ondrej Zary li...@rainbow-software.org
CC: Ulf Hansson ulf.hans...@linaro.org
tree: https://git.linaro.org/people/ulf.hansson/mmc next
head: 91a0b64971f6abc6a1bb19f457bbaf9df71d0aa2
commit: 36b2de044cdf3e3dfc2402a48008aa5ef0849a2b [96/98] mmc: add Toshiba PCI
SD controller driver
reproduce:
# apt-get install sparse
git checkout 36b2de044cdf3e3dfc2402a48008aa5ef0849a2b
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
:: branch date: 2 hours ago
:: commit date: 2 hours ago
drivers/mmc/host/toshsd.c:159:20: sparse: context imbalance in
'toshsd_thread_irq' - different lock contexts for basic block
git remote add ulf.hansson-mmc https://git.linaro.org/people/ulf.hansson/mmc
git remote update ulf.hansson-mmc
git checkout 36b2de044cdf3e3dfc2402a48008aa5ef0849a2b
vim +/toshsd_thread_irq +159 drivers/mmc/host/toshsd.c
36b2de04 Ondrej Zary 2014-11-11 143iowrite16(state, host-ioaddr +
SDIO_BASE + SDIO_LEDCTRL);
36b2de04 Ondrej Zary 2014-11-11 144 }
36b2de04 Ondrej Zary 2014-11-11 145
36b2de04 Ondrej Zary 2014-11-11 146 static void toshsd_finish_request(struct
toshsd_host *host)
36b2de04 Ondrej Zary 2014-11-11 147 {
36b2de04 Ondrej Zary 2014-11-11 148struct mmc_request *mrq = host-mrq;
36b2de04 Ondrej Zary 2014-11-11 149
36b2de04 Ondrej Zary 2014-11-11 150/* Write something to end the command */
36b2de04 Ondrej Zary 2014-11-11 151host-mrq = NULL;
36b2de04 Ondrej Zary 2014-11-11 152host-cmd = NULL;
36b2de04 Ondrej Zary 2014-11-11 153host-data = NULL;
36b2de04 Ondrej Zary 2014-11-11 154
36b2de04 Ondrej Zary 2014-11-11 155toshsd_set_led(host, 0);
36b2de04 Ondrej Zary 2014-11-11 156mmc_request_done(host-mmc, mrq);
36b2de04 Ondrej Zary 2014-11-11 157 }
36b2de04 Ondrej Zary 2014-11-11 158
36b2de04 Ondrej Zary 2014-11-11 @159 static irqreturn_t toshsd_thread_irq(int
irq, void *dev_id)
36b2de04 Ondrej Zary 2014-11-11 160 {
36b2de04 Ondrej Zary 2014-11-11 161struct toshsd_host *host = dev_id;
36b2de04 Ondrej Zary 2014-11-11 162struct mmc_data *data = host-data;
36b2de04 Ondrej Zary 2014-11-11 163struct sg_mapping_iter *sg_miter =
host-sg_miter;
36b2de04 Ondrej Zary 2014-11-11 164unsigned short *buf;
36b2de04 Ondrej Zary 2014-11-11 165int count;
36b2de04 Ondrej Zary 2014-11-11 166unsigned long flags;
36b2de04 Ondrej Zary 2014-11-11 167
---
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[kbuild] [PATCH] dmaengine: at_xdmac: fix platform_no_drv_owner.cocci warnings
TO: Ludovic Desroches ludovic.desroc...@atmel.com
CC: Vinod Koul vinod.k...@intel.com
drivers/dma/at_xdmac.c:1496:3-8: No need to set .owner here. The core will do
it.
Remove .owner field if calls are used which set it automatically
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
CC: Ludovic Desroches ludovic.desroc...@atmel.com
Signed-off-by: Fengguang Wu fengguang...@intel.com
---
Please take the patch only if it's a positive warning. Thanks!
at_xdmac.c |1 -
1 file changed, 1 deletion(-)
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1493,7 +1493,6 @@ static struct platform_driver at_xdmac_d
.remove = at_xdmac_remove,
.driver = {
.name = at_xdmac,
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(atmel_xdmac_dt_ids),
.pm = atmel_xdmac_dev_pm_ops,
}
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[kbuild] [slave-dma:for-linus 1/37] drivers/dma/at_xdmac.c:1496:3-8: No need to set .owner here. The core will do it.
TO: Ludovic Desroches ludovic.desroc...@atmel.com CC: Vinod Koul vinod.k...@intel.com tree: git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/slave-dma.git for-linus head: 0005e0d58cee6b4c48416a44619df24214aa8670 commit: e1f7c9eee70730d7e6ec77f7ecc76f936e262cf0 [1/37] dmaengine: at_xdmac: creation of the atmel eXtended DMA Controller driver :: branch date: 30 minutes ago :: commit date: 6 days ago drivers/dma/at_xdmac.c:1496:3-8: No need to set .owner here. The core will do it. Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructureOpen Source Technology Center http://lists.01.org/mailman/listinfo/kbuild Intel Corporation ___ kbuild mailing list kbuild@lists.01.org https://lists.01.org/mailman/listinfo/kbuild
[kbuild] [next:master 5859/6262] drivers/usb/gadget/udc/dummy_hcd.c:380:25: sparse: context imbalance in 'set_link_state' - unexpected unlock
TO: Alan Stern st...@rowland.harvard.edu
CC: Felipe Balbi ba...@ti.com
CC: Peter chen peter.c...@freescale.com
tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: ebc7163fafb29c390519378897c201748acc2756
commit: 8480484d6f4a5b7d50262702db082b0fd13e7df5 [5859/6262] usb: gadget:
dummy-hcd: use udc-core's reset notifier
reproduce:
# apt-get install sparse
git checkout 8480484d6f4a5b7d50262702db082b0fd13e7df5
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
:: branch date: 6 hours ago
:: commit date: 2 days ago
drivers/usb/gadget/udc/dummy_hcd.c:1931:36: sparse: incorrect type in
assignment (different base types)
drivers/usb/gadget/udc/dummy_hcd.c:1931:36:expected restricted __le16
[usertype] DeviceRemovable
drivers/usb/gadget/udc/dummy_hcd.c:1931:36:got int
drivers/usb/gadget/udc/dummy_hcd.c:380:25: sparse: context imbalance in
'set_link_state' - unexpected unlock
git remote add next
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update next
git checkout 8480484d6f4a5b7d50262702db082b0fd13e7df5
vim +/set_link_state +380 drivers/usb/gadget/udc/dummy_hcd.c
1cd8fd28 drivers/usb/gadget/dummy_hcd.c Tatyana Brokhman 2011-06-29 364
set_link_state_by_speed(dum_hcd);
cdfcbd2c drivers/usb/gadget/dummy_hcd.c Tatyana Brokhman 2011-06-29 365
cdfcbd2c drivers/usb/gadget/dummy_hcd.c Tatyana Brokhman 2011-06-29 366
if ((dum_hcd-port_status USB_PORT_STAT_ENABLE) == 0 ||
cdfcbd2c drivers/usb/gadget/dummy_hcd.c Tatyana Brokhman 2011-06-29 367
dum_hcd-active)
cdfcbd2c drivers/usb/gadget/dummy_hcd.c Tatyana Brokhman 2011-06-29 368
dum_hcd-resuming = 0;
cdfcbd2c drivers/usb/gadget/dummy_hcd.c Tatyana Brokhman 2011-06-29 369
8480484d drivers/usb/gadget/udc/dummy_hcd.c Alan Stern 2014-11-06 370
/* Currently !connected or in reset */
cdfcbd2c drivers/usb/gadget/dummy_hcd.c Tatyana Brokhman 2011-06-29 371
if ((dum_hcd-port_status USB_PORT_STAT_CONNECTION) == 0 ||
cdfcbd2c drivers/usb/gadget/dummy_hcd.c Tatyana Brokhman 2011-06-29 372
(dum_hcd-port_status USB_PORT_STAT_RESET) != 0) {
8480484d drivers/usb/gadget/udc/dummy_hcd.c Alan Stern 2014-11-06 373
unsigned disconnect = USB_PORT_STAT_CONNECTION
8480484d drivers/usb/gadget/udc/dummy_hcd.c Alan Stern 2014-11-06 374
dum_hcd-old_status (~dum_hcd-port_status);
8480484d drivers/usb/gadget/udc/dummy_hcd.c Alan Stern 2014-11-06 375
unsigned reset = USB_PORT_STAT_RESET
8480484d drivers/usb/gadget/udc/dummy_hcd.c Alan Stern 2014-11-06 376
(~dum_hcd-old_status) dum_hcd-port_status;
8480484d drivers/usb/gadget/udc/dummy_hcd.c Alan Stern 2014-11-06 377
8480484d drivers/usb/gadget/udc/dummy_hcd.c Alan Stern 2014-11-06 378
/* Report reset and disconnect events to the driver */
8480484d drivers/usb/gadget/udc/dummy_hcd.c Alan Stern 2014-11-06 379
if (dum-driver (disconnect || reset)) {
f1c39fad drivers/usb/gadget/dummy_hcd.c Alan Stern 2005-05-03 @380
stop_activity(dum);
f1c39fad drivers/usb/gadget/dummy_hcd.c Alan Stern 2005-05-03 381
spin_unlock(dum-lock);
8480484d drivers/usb/gadget/udc/dummy_hcd.c Alan Stern 2014-11-06 382
if (reset)
8480484d drivers/usb/gadget/udc/dummy_hcd.c Alan Stern 2014-11-06 383
usb_gadget_udc_reset(dum-gadget, dum-driver);
8480484d drivers/usb/gadget/udc/dummy_hcd.c Alan Stern 2014-11-06 384
else
f1c39fad drivers/usb/gadget/dummy_hcd.c Alan Stern 2005-05-03 385
dum-driver-disconnect(dum-gadget);
f1c39fad drivers/usb/gadget/dummy_hcd.c Alan Stern 2005-05-03 386
spin_lock(dum-lock);
f1c39fad drivers/usb/gadget/dummy_hcd.c Alan Stern 2005-05-03 387
}
cdfcbd2c drivers/usb/gadget/dummy_hcd.c Tatyana Brokhman 2011-06-29 388
} else if (dum_hcd-active != dum_hcd-old_active) {
:: The code at line 380 was first introduced by commit
:: f1c39fad7d1bbea31744138cd3a532ff346cd4ab [PATCH] USB dummy_hcd:
Centralize link state computations
:: TO: Alan Stern st...@rowland.harvard.edu
:: CC: Greg Kroah-Hartman gre...@suse.de
---
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[kbuild] [slave-dma:for-linus 1/37] drivers/dma/at_xdmac.c:933 at_xdmac_tx_status() warn: inconsistent returns 'spin_lock:atchan-lock'.
TO: Ludovic Desroches ludovic.desroc...@atmel.com
CC: Vinod Koul vinod.k...@intel.com
tree: git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/slave-dma.git
for-linus
head: 0005e0d58cee6b4c48416a44619df24214aa8670
commit: e1f7c9eee70730d7e6ec77f7ecc76f936e262cf0 [1/37] dmaengine: at_xdmac:
creation of the atmel eXtended DMA Controller driver
:: branch date: 4 hours ago
:: commit date: 6 days ago
drivers/dma/at_xdmac.c:933 at_xdmac_tx_status() warn: inconsistent returns
'spin_lock:atchan-lock'.
drivers/dma/at_xdmac.c:933 at_xdmac_tx_status() warn: inconsistent returns
'bottom_half:'.
git remote add slave-dma
git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/slave-dma.git
git remote update slave-dma
git checkout e1f7c9eee70730d7e6ec77f7ecc76f936e262cf0
vim +933 drivers/dma/at_xdmac.c
e1f7c9ee Ludovic Desroches 2014-10-22 917 descs_list = desc-descs_list;
e1f7c9ee Ludovic Desroches 2014-10-22 918 list_for_each_entry_safe(desc,
_desc, descs_list, desc_node) {
e1f7c9ee Ludovic Desroches 2014-10-22 919 residue -=
(desc-lld.mbr_ubc 0xff) dwidth;
e1f7c9ee Ludovic Desroches 2014-10-22 920 if ((desc-lld.mbr_nda
0xfffc) == cur_nda)
e1f7c9ee Ludovic Desroches 2014-10-22 921 break;
e1f7c9ee Ludovic Desroches 2014-10-22 922 }
e1f7c9ee Ludovic Desroches 2014-10-22 923 residue +=
at_xdmac_chan_read(atchan, AT_XDMAC_CUBC) dwidth;
e1f7c9ee Ludovic Desroches 2014-10-22 924
e1f7c9ee Ludovic Desroches 2014-10-22 925 spin_unlock_bh(atchan-lock);
e1f7c9ee Ludovic Desroches 2014-10-22 926
e1f7c9ee Ludovic Desroches 2014-10-22 927 dma_set_residue(txstate,
residue);
e1f7c9ee Ludovic Desroches 2014-10-22 928
e1f7c9ee Ludovic Desroches 2014-10-22 929 dev_dbg(chan2dev(chan),
e1f7c9ee Ludovic Desroches 2014-10-22 930 %s: desc=0x%p,
tx_dma_desc.phys=0x%08x, tx_status=%d, cookie=%d, residue=%d\n,
e1f7c9ee Ludovic Desroches 2014-10-22 931 __func__, desc,
desc-tx_dma_desc.phys, ret, cookie, residue);
e1f7c9ee Ludovic Desroches 2014-10-22 932
e1f7c9ee Ludovic Desroches 2014-10-22 @933 return ret;
e1f7c9ee Ludovic Desroches 2014-10-22 934 }
e1f7c9ee Ludovic Desroches 2014-10-22 935
e1f7c9ee Ludovic Desroches 2014-10-22 936 /* Call must be protected by lock.
*/
e1f7c9ee Ludovic Desroches 2014-10-22 937 static void
at_xdmac_remove_xfer(struct at_xdmac_chan *atchan,
e1f7c9ee Ludovic Desroches 2014-10-22 938
struct at_xdmac_desc *desc)
e1f7c9ee Ludovic Desroches 2014-10-22 939 {
e1f7c9ee Ludovic Desroches 2014-10-22 940
dev_dbg(chan2dev(atchan-chan), %s: desc 0x%p\n, __func__, desc);
e1f7c9ee Ludovic Desroches 2014-10-22 941
---
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[kbuild] [ulf.hansson-mmc:next 96/99] drivers/mmc/host/toshsd.c:389 toshsd_irq() error: we previously assumed 'host-cmd' could be null (see line 349)
tree: https://git.linaro.org/people/ulf.hansson/mmc next
head: edd9918aa24ccee14f80d0c6e87e89b59223e807
commit: 36b2de044cdf3e3dfc2402a48008aa5ef0849a2b [96/99] mmc: add Toshiba PCI
SD controller driver
drivers/mmc/host/toshsd.c:389 toshsd_irq() error: we previously assumed
'host-cmd' could be null (see line 349)
git remote add ulf.hansson-mmc https://git.linaro.org/people/ulf.hansson/mmc
git remote update ulf.hansson-mmc
git checkout 36b2de044cdf3e3dfc2402a48008aa5ef0849a2b
vim +389 drivers/mmc/host/toshsd.c
36b2de04 Ondrej Zary 2014-11-11 343detail
SD_ERR1_TIMEOUT_CRS_STATUS ? CRS_STATUS_TIMEOUT : ,
36b2de04 Ondrej Zary 2014-11-11 344detail
SD_ERR1_TIMEOUT_CRC_BUSY ? CRC_BUSY_TIMEOUT : );
36b2de04 Ondrej Zary 2014-11-11 345error = -EIO;
36b2de04 Ondrej Zary 2014-11-11 346}
36b2de04 Ondrej Zary 2014-11-11 347
36b2de04 Ondrej Zary 2014-11-11 348if (error) {
36b2de04 Ondrej Zary 2014-11-11 @349if (host-cmd)
36b2de04 Ondrej Zary 2014-11-11 350host-cmd-error =
error;
36b2de04 Ondrej Zary 2014-11-11 351
36b2de04 Ondrej Zary 2014-11-11 352if (error == -ETIMEDOUT) {
36b2de04 Ondrej Zary 2014-11-11 353iowrite32(int_status
36b2de04 Ondrej Zary 2014-11-11 354
~(SD_BUF_CMD_TIMEOUT | SD_CARD_RESP_END),
36b2de04 Ondrej Zary 2014-11-11 355 host-ioaddr
+ SD_CARDSTATUS);
36b2de04 Ondrej Zary 2014-11-11 356} else {
36b2de04 Ondrej Zary 2014-11-11 357toshsd_init(host);
36b2de04 Ondrej Zary 2014-11-11 358
__toshsd_set_ios(host-mmc, host-mmc-ios);
36b2de04 Ondrej Zary 2014-11-11 359goto irq_end;
36b2de04 Ondrej Zary 2014-11-11 360}
36b2de04 Ondrej Zary 2014-11-11 361}
36b2de04 Ondrej Zary 2014-11-11 362
36b2de04 Ondrej Zary 2014-11-11 363/* Card insert/remove. The mmc
controlling code is stateless. */
36b2de04 Ondrej Zary 2014-11-11 364if (int_reg (SD_CARD_CARD_INSERTED_0
| SD_CARD_CARD_REMOVED_0)) {
36b2de04 Ondrej Zary 2014-11-11 365iowrite32(int_status
36b2de04 Ondrej Zary 2014-11-11 366
~(SD_CARD_CARD_REMOVED_0 | SD_CARD_CARD_INSERTED_0),
36b2de04 Ondrej Zary 2014-11-11 367 host-ioaddr +
SD_CARDSTATUS);
36b2de04 Ondrej Zary 2014-11-11 368
36b2de04 Ondrej Zary 2014-11-11 369if (int_reg
SD_CARD_CARD_INSERTED_0)
36b2de04 Ondrej Zary 2014-11-11 370toshsd_init(host);
36b2de04 Ondrej Zary 2014-11-11 371
36b2de04 Ondrej Zary 2014-11-11 372mmc_detect_change(host-mmc, 1);
36b2de04 Ondrej Zary 2014-11-11 373}
36b2de04 Ondrej Zary 2014-11-11 374
36b2de04 Ondrej Zary 2014-11-11 375/* Data transfer */
36b2de04 Ondrej Zary 2014-11-11 376if (int_reg (SD_BUF_READ_ENABLE |
SD_BUF_WRITE_ENABLE)) {
36b2de04 Ondrej Zary 2014-11-11 377iowrite32(int_status
36b2de04 Ondrej Zary 2014-11-11 378 ~(SD_BUF_WRITE_ENABLE
| SD_BUF_READ_ENABLE),
36b2de04 Ondrej Zary 2014-11-11 379 host-ioaddr +
SD_CARDSTATUS);
36b2de04 Ondrej Zary 2014-11-11 380
36b2de04 Ondrej Zary 2014-11-11 381ret = IRQ_WAKE_THREAD;
36b2de04 Ondrej Zary 2014-11-11 382goto irq_end;
36b2de04 Ondrej Zary 2014-11-11 383}
36b2de04 Ondrej Zary 2014-11-11 384
36b2de04 Ondrej Zary 2014-11-11 385/* Command completion */
36b2de04 Ondrej Zary 2014-11-11 386if (int_reg SD_CARD_RESP_END) {
36b2de04 Ondrej Zary 2014-11-11 387iowrite32(int_status
~(SD_CARD_RESP_END),
36b2de04 Ondrej Zary 2014-11-11 388 host-ioaddr +
SD_CARDSTATUS);
36b2de04 Ondrej Zary 2014-11-11 @389toshsd_cmd_irq(host);
36b2de04 Ondrej Zary 2014-11-11 390}
36b2de04 Ondrej Zary 2014-11-11 391
36b2de04 Ondrej Zary 2014-11-11 392/* Data transfer completion */
---
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[kbuild] [slave-dma:for-linus 1/37] drivers/dma/at_xdmac.c:933 at_xdmac_tx_status() warn: inconsistent returns 'spin_lock:atchan-lock'.
[ missing unlock on line 902 - dan]
tree: git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/slave-dma.git
for-linus
head: 0005e0d58cee6b4c48416a44619df24214aa8670
commit: e1f7c9eee70730d7e6ec77f7ecc76f936e262cf0 [1/37] dmaengine: at_xdmac:
creation of the atmel eXtended DMA Controller driver
drivers/dma/at_xdmac.c:933 at_xdmac_tx_status() warn: inconsistent returns
'spin_lock:atchan-lock'.
Locked on: line 902
Unlocked on: line 887
line 890
line 933
drivers/dma/at_xdmac.c:933 at_xdmac_tx_status() warn: inconsistent returns
'bottom_half:'.
Locked on: line 902
Unlocked on: line 887
line 890
line 933
git remote add slave-dma
git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/slave-dma.git
git remote update slave-dma
git checkout e1f7c9eee70730d7e6ec77f7ecc76f936e262cf0
vim +933 drivers/dma/at_xdmac.c
e1f7c9ee Ludovic Desroches 2014-10-22 917 descs_list = desc-descs_list;
e1f7c9ee Ludovic Desroches 2014-10-22 918 list_for_each_entry_safe(desc,
_desc, descs_list, desc_node) {
e1f7c9ee Ludovic Desroches 2014-10-22 919 residue -=
(desc-lld.mbr_ubc 0xff) dwidth;
e1f7c9ee Ludovic Desroches 2014-10-22 920 if ((desc-lld.mbr_nda
0xfffc) == cur_nda)
e1f7c9ee Ludovic Desroches 2014-10-22 921 break;
e1f7c9ee Ludovic Desroches 2014-10-22 922 }
e1f7c9ee Ludovic Desroches 2014-10-22 923 residue +=
at_xdmac_chan_read(atchan, AT_XDMAC_CUBC) dwidth;
e1f7c9ee Ludovic Desroches 2014-10-22 924
e1f7c9ee Ludovic Desroches 2014-10-22 925 spin_unlock_bh(atchan-lock);
e1f7c9ee Ludovic Desroches 2014-10-22 926
e1f7c9ee Ludovic Desroches 2014-10-22 927 dma_set_residue(txstate,
residue);
e1f7c9ee Ludovic Desroches 2014-10-22 928
e1f7c9ee Ludovic Desroches 2014-10-22 929 dev_dbg(chan2dev(chan),
e1f7c9ee Ludovic Desroches 2014-10-22 930 %s: desc=0x%p,
tx_dma_desc.phys=0x%08x, tx_status=%d, cookie=%d, residue=%d\n,
e1f7c9ee Ludovic Desroches 2014-10-22 931 __func__, desc,
desc-tx_dma_desc.phys, ret, cookie, residue);
e1f7c9ee Ludovic Desroches 2014-10-22 932
e1f7c9ee Ludovic Desroches 2014-10-22 @933 return ret;
e1f7c9ee Ludovic Desroches 2014-10-22 934 }
e1f7c9ee Ludovic Desroches 2014-10-22 935
e1f7c9ee Ludovic Desroches 2014-10-22 936 /* Call must be protected by lock.
*/
e1f7c9ee Ludovic Desroches 2014-10-22 937 static void
at_xdmac_remove_xfer(struct at_xdmac_chan *atchan,
e1f7c9ee Ludovic Desroches 2014-10-22 938
struct at_xdmac_desc *desc)
e1f7c9ee Ludovic Desroches 2014-10-22 939 {
e1f7c9ee Ludovic Desroches 2014-10-22 940
dev_dbg(chan2dev(atchan-chan), %s: desc 0x%p\n, __func__, desc);
e1f7c9ee Ludovic Desroches 2014-10-22 941
---
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[kbuild] [next:master 3753/6262] arch/x86/lguest/boot.c:848 lguest_init_IRQ() error: buffer overflow 'interrupt' 207 = 223
TO: Jan Beulich jbeul...@suse.com
CC: Thomas Gleixner t...@linutronix.de
tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: ebc7163fafb29c390519378897c201748acc2756
commit: 8c66877ee65ec4e6974e9aa69bc53abe4a603f10 [3753/6262] x86: Avoid
building unused IRQ entry stubs
:: branch date: 16 hours ago
:: commit date: 8 days ago
arch/x86/lguest/boot.c:848 lguest_init_IRQ() error: buffer overflow 'interrupt'
207 = 223
arch/x86/lguest/boot.c:848 lguest_init_IRQ() error: buffer overflow 'interrupt'
207 = 223
git remote add next
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update next
git checkout 8c66877ee65ec4e6974e9aa69bc53abe4a603f10
vim +/interrupt +848 arch/x86/lguest/boot.c
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 832 };
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 833
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 834 /*
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 835 * This sets up
the Interrupt Descriptor Table (IDT) entry for each hardware
b2b47c21 drivers/lguest/lguest.c Rusty Russell 2007-07-26 836 * interrupt
(except 128, which is used for system calls), and then tells the
b2b47c21 drivers/lguest/lguest.c Rusty Russell 2007-07-26 837 * Linux
infrastructure that each interrupt is controlled by our level-based
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 838 * lguest
interrupt controller.
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 839 */
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 840 static void
__init lguest_init_IRQ(void)
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 841 {
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 842
unsigned int i;
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 843
1028375e arch/x86/lguest/boot.c Rusty Russell 2009-06-12 844 for (i
= FIRST_EXTERNAL_VECTOR; i NR_VECTORS; i++) {
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 845
/* Some systems map vectors to interrupts weirdly. Not us! */
ced05dd7 arch/x86/lguest/boot.c Rusty Russell 2011-01-20 846
__this_cpu_write(vector_irq[i], i - FIRST_EXTERNAL_VECTOR);
1028375e arch/x86/lguest/boot.c Rusty Russell 2009-06-12 847
if (i != SYSCALL_VECTOR)
1028375e arch/x86/lguest/boot.c Rusty Russell 2009-06-12 @848
set_intr_gate(i, interrupt[i - FIRST_EXTERNAL_VECTOR]);
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 849 }
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 850
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 851 /*
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 852 * This
call is required to set up for 4k stacks, where we have
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 853 *
separate stacks for hard and soft interrupts.
2e04ef76 arch/x86/lguest/boot.c Rusty Russell 2009-07-30 854 */
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 855
irq_ctx_init(smp_processor_id());
07ad157f drivers/lguest/lguest.c Rusty Russell 2007-07-19 856 }
:: The code at line 848 was first introduced by commit
:: 1028375e93a7aa4dbe466947d1c65f368b1f61c1 lguest: clean up lguest_init_IRQ
:: TO: Rusty Russell ru...@rustcorp.com.au
:: CC: Rusty Russell ru...@rustcorp.com.au
---
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