commit: 65035c5a6d46e2fd1f8470ea93c7c624b89ddead Author: Alice Ferrazzi <alicef <AT> gentoo <DOT> org> AuthorDate: Fri Dec 9 13:57:20 2016 +0000 Commit: Alice Ferrazzi <alicef <AT> gentoo <DOT> org> CommitDate: Fri Dec 9 13:57:20 2016 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=65035c5a
Linux patch 4.8.13 0000_README | 4 + 1036_linux-4.4.37.patch | 377 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 381 insertions(+) diff --git a/0000_README b/0000_README index d47b145..07742c9 100644 --- a/0000_README +++ b/0000_README @@ -187,6 +187,10 @@ Patch: 1035_linux-4.4.36.patch From: http://www.kernel.org Desc: Linux 4.4.36 +Patch: 1036_linux-4.4.37.patch +From: http://www.kernel.org +Desc: Linux 4.4.37 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1036_linux-4.4.37.patch b/1036_linux-4.4.37.patch new file mode 100644 index 0000000..c41e2df --- /dev/null +++ b/1036_linux-4.4.37.patch @@ -0,0 +1,377 @@ +diff --git a/Makefile b/Makefile +index 705eb9e38fce..b57ec79b4941 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,6 +1,6 @@ + VERSION = 4 + PATCHLEVEL = 4 +-SUBLEVEL = 36 ++SUBLEVEL = 37 + EXTRAVERSION = + NAME = Blurry Fish Butt + +diff --git a/arch/arc/include/asm/delay.h b/arch/arc/include/asm/delay.h +index 08e7e2a16ac1..a36e8601114d 100644 +--- a/arch/arc/include/asm/delay.h ++++ b/arch/arc/include/asm/delay.h +@@ -22,10 +22,11 @@ + static inline void __delay(unsigned long loops) + { + __asm__ __volatile__( +- " lp 1f \n" +- " nop \n" +- "1: \n" +- : "+l"(loops)); ++ " mov lp_count, %0 \n" ++ " lp 1f \n" ++ " nop \n" ++ "1: \n" ++ : : "r"(loops)); + } + + extern void __bad_udelay(void); +diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h +index 8136afc9df0d..8884b5d5f48c 100644 +--- a/arch/arm64/include/asm/cpufeature.h ++++ b/arch/arm64/include/asm/cpufeature.h +@@ -77,7 +77,7 @@ struct arm64_cpu_capabilities { + const char *desc; + u16 capability; + bool (*matches)(const struct arm64_cpu_capabilities *); +- void (*enable)(void *); /* Called on all active CPUs */ ++ int (*enable)(void *); /* Called on all active CPUs */ + union { + struct { /* To be used for erratum handling only */ + u32 midr_model; +diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h +index 4acb7ca94fcd..d08559528927 100644 +--- a/arch/arm64/include/asm/processor.h ++++ b/arch/arm64/include/asm/processor.h +@@ -186,6 +186,6 @@ static inline void spin_lock_prefetch(const void *x) + + #endif + +-void cpu_enable_pan(void *__unused); ++int cpu_enable_pan(void *__unused); + + #endif /* __ASM_PROCESSOR_H */ +diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c +index 0669c63281ea..2735bf814592 100644 +--- a/arch/arm64/kernel/cpufeature.c ++++ b/arch/arm64/kernel/cpufeature.c +@@ -19,7 +19,9 @@ + #define pr_fmt(fmt) "CPU features: " fmt + + #include <linux/bsearch.h> ++#include <linux/cpumask.h> + #include <linux/sort.h> ++#include <linux/stop_machine.h> + #include <linux/types.h> + #include <asm/cpu.h> + #include <asm/cpufeature.h> +@@ -764,7 +766,13 @@ static void enable_cpu_capabilities(const struct arm64_cpu_capabilities *caps) + + for (i = 0; caps[i].desc; i++) + if (caps[i].enable && cpus_have_cap(caps[i].capability)) +- on_each_cpu(caps[i].enable, NULL, true); ++ /* ++ * Use stop_machine() as it schedules the work allowing ++ * us to modify PSTATE, instead of on_each_cpu() which ++ * uses an IPI, giving us a PSTATE that disappears when ++ * we return. ++ */ ++ stop_machine(caps[i].enable, NULL, cpu_online_mask); + } + + #ifdef CONFIG_HOTPLUG_CPU +diff --git a/arch/arm64/kernel/suspend.c b/arch/arm64/kernel/suspend.c +index 1095aa483a1c..00c1372bf57b 100644 +--- a/arch/arm64/kernel/suspend.c ++++ b/arch/arm64/kernel/suspend.c +@@ -1,7 +1,9 @@ + #include <linux/ftrace.h> + #include <linux/percpu.h> + #include <linux/slab.h> ++#include <asm/alternative.h> + #include <asm/cacheflush.h> ++#include <asm/cpufeature.h> + #include <asm/debug-monitors.h> + #include <asm/pgtable.h> + #include <asm/memory.h> +@@ -111,6 +113,13 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long)) + set_my_cpu_offset(per_cpu_offset(smp_processor_id())); + + /* ++ * PSTATE was not saved over suspend/resume, re-enable any ++ * detected features that might not have been set correctly. ++ */ ++ asm(ALTERNATIVE("nop", SET_PSTATE_PAN(1), ARM64_HAS_PAN, ++ CONFIG_ARM64_PAN)); ++ ++ /* + * Restore HW breakpoint registers to sane values + * before debug exceptions are possibly reenabled + * through local_dbg_restore. +diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c +index 4c1a118c1d09..247bae758e1e 100644 +--- a/arch/arm64/mm/fault.c ++++ b/arch/arm64/mm/fault.c +@@ -29,7 +29,9 @@ + #include <linux/sched.h> + #include <linux/highmem.h> + #include <linux/perf_event.h> ++#include <linux/preempt.h> + ++#include <asm/bug.h> + #include <asm/cpufeature.h> + #include <asm/exception.h> + #include <asm/debug-monitors.h> +@@ -606,8 +608,16 @@ asmlinkage int __exception do_debug_exception(unsigned long addr, + } + + #ifdef CONFIG_ARM64_PAN +-void cpu_enable_pan(void *__unused) ++int cpu_enable_pan(void *__unused) + { ++ /* ++ * We modify PSTATE. This won't work from irq context as the PSTATE ++ * is discarded once we return from the exception. ++ */ ++ WARN_ON_ONCE(in_interrupt()); ++ + config_sctlr_el1(SCTLR_EL1_SPAN, 0); ++ asm(SET_PSTATE_PAN(1)); ++ return 0; + } + #endif /* CONFIG_ARM64_PAN */ +diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S +index 6bc9ae24b6d2..8f1a3f443f7d 100644 +--- a/arch/x86/kernel/head_32.S ++++ b/arch/x86/kernel/head_32.S +@@ -571,7 +571,7 @@ early_idt_handler_common: + movl %eax,%ds + movl %eax,%es + +- cmpl $(__KERNEL_CS),32(%esp) ++ cmpw $(__KERNEL_CS),32(%esp) + jne 10f + + leal 28(%esp),%eax # Pointer to %eip +diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c +index 370c2f76016d..1770c455dfdd 100644 +--- a/drivers/block/zram/zram_drv.c ++++ b/drivers/block/zram/zram_drv.c +@@ -1368,7 +1368,8 @@ static ssize_t hot_remove_store(struct class *class, + zram = idr_find(&zram_index_idr, dev_id); + if (zram) { + ret = zram_remove(zram); +- idr_remove(&zram_index_idr, dev_id); ++ if (!ret) ++ idr_remove(&zram_index_idr, dev_id); + } else { + ret = -ENODEV; + } +diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c +index 4073116e6e9f..c3331d6201c3 100644 +--- a/drivers/net/wireless/mwifiex/cfg80211.c ++++ b/drivers/net/wireless/mwifiex/cfg80211.c +@@ -2144,8 +2144,9 @@ done: + is_scanning_required = 1; + } else { + mwifiex_dbg(priv->adapter, MSG, +- "info: trying to associate to '%s' bssid %pM\n", +- (char *)req_ssid.ssid, bss->bssid); ++ "info: trying to associate to '%.*s' bssid %pM\n", ++ req_ssid.ssid_len, (char *)req_ssid.ssid, ++ bss->bssid); + memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); + break; + } +@@ -2202,8 +2203,8 @@ mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, + } + + mwifiex_dbg(adapter, INFO, +- "info: Trying to associate to %s and bssid %pM\n", +- (char *)sme->ssid, sme->bssid); ++ "info: Trying to associate to %.*s and bssid %pM\n", ++ (int)sme->ssid_len, (char *)sme->ssid, sme->bssid); + + ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, + priv->bss_mode, sme->channel, sme, 0); +@@ -2333,8 +2334,8 @@ mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, + } + + mwifiex_dbg(priv->adapter, MSG, +- "info: trying to join to %s and bssid %pM\n", +- (char *)params->ssid, params->bssid); ++ "info: trying to join to %.*s and bssid %pM\n", ++ params->ssid_len, (char *)params->ssid, params->bssid); + + mwifiex_set_ibss_params(priv, params); + +diff --git a/drivers/pci/pcie/aer/aer_inject.c b/drivers/pci/pcie/aer/aer_inject.c +index 182224acedbe..58f1419a68ae 100644 +--- a/drivers/pci/pcie/aer/aer_inject.c ++++ b/drivers/pci/pcie/aer/aer_inject.c +@@ -283,20 +283,6 @@ out: + return 0; + } + +-static struct pci_dev *pcie_find_root_port(struct pci_dev *dev) +-{ +- while (1) { +- if (!pci_is_pcie(dev)) +- break; +- if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT) +- return dev; +- if (!dev->bus->self) +- break; +- dev = dev->bus->self; +- } +- return NULL; +-} +- + static int find_aer_device_iter(struct device *device, void *data) + { + struct pcie_device **result = data; +diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c +index 9757cf9037a2..b5843c255263 100644 +--- a/drivers/pci/probe.c ++++ b/drivers/pci/probe.c +@@ -1415,6 +1415,21 @@ static void program_hpp_type1(struct pci_dev *dev, struct hpp_type1 *hpp) + dev_warn(&dev->dev, "PCI-X settings not supported\n"); + } + ++static bool pcie_root_rcb_set(struct pci_dev *dev) ++{ ++ struct pci_dev *rp = pcie_find_root_port(dev); ++ u16 lnkctl; ++ ++ if (!rp) ++ return false; ++ ++ pcie_capability_read_word(rp, PCI_EXP_LNKCTL, &lnkctl); ++ if (lnkctl & PCI_EXP_LNKCTL_RCB) ++ return true; ++ ++ return false; ++} ++ + static void program_hpp_type2(struct pci_dev *dev, struct hpp_type2 *hpp) + { + int pos; +@@ -1444,9 +1459,20 @@ static void program_hpp_type2(struct pci_dev *dev, struct hpp_type2 *hpp) + ~hpp->pci_exp_devctl_and, hpp->pci_exp_devctl_or); + + /* Initialize Link Control Register */ +- if (pcie_cap_has_lnkctl(dev)) ++ if (pcie_cap_has_lnkctl(dev)) { ++ ++ /* ++ * If the Root Port supports Read Completion Boundary of ++ * 128, set RCB to 128. Otherwise, clear it. ++ */ ++ hpp->pci_exp_lnkctl_and |= PCI_EXP_LNKCTL_RCB; ++ hpp->pci_exp_lnkctl_or &= ~PCI_EXP_LNKCTL_RCB; ++ if (pcie_root_rcb_set(dev)) ++ hpp->pci_exp_lnkctl_or |= PCI_EXP_LNKCTL_RCB; ++ + pcie_capability_clear_and_set_word(dev, PCI_EXP_LNKCTL, + ~hpp->pci_exp_lnkctl_and, hpp->pci_exp_lnkctl_or); ++ } + + /* Find Advanced Error Reporting Enhanced Capability */ + pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR); +diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c +index c20163b92991..375008e2be20 100644 +--- a/drivers/pwm/sysfs.c ++++ b/drivers/pwm/sysfs.c +@@ -366,6 +366,8 @@ void pwmchip_sysfs_unexport_children(struct pwm_chip *chip) + if (test_bit(PWMF_EXPORTED, &pwm->flags)) + pwm_unexport_child(parent, pwm); + } ++ ++ put_device(parent); + } + + static int __init pwm_sysfs_init(void) +diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h +index eeae401a2412..287e698c28de 100644 +--- a/include/linux/compiler-gcc.h ++++ b/include/linux/compiler-gcc.h +@@ -251,7 +251,9 @@ + #endif + #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ + +-#if GCC_VERSION >= 50000 ++#if GCC_VERSION >= 70000 ++#define KASAN_ABI_VERSION 5 ++#elif GCC_VERSION >= 50000 + #define KASAN_ABI_VERSION 4 + #elif GCC_VERSION >= 40902 + #define KASAN_ABI_VERSION 3 +diff --git a/include/linux/pci.h b/include/linux/pci.h +index e89c7ee7e803..5f37614f2451 100644 +--- a/include/linux/pci.h ++++ b/include/linux/pci.h +@@ -1802,6 +1802,20 @@ static inline int pci_pcie_type(const struct pci_dev *dev) + return (pcie_caps_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4; + } + ++static inline struct pci_dev *pcie_find_root_port(struct pci_dev *dev) ++{ ++ while (1) { ++ if (!pci_is_pcie(dev)) ++ break; ++ if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT) ++ return dev; ++ if (!dev->bus->self) ++ break; ++ dev = dev->bus->self; ++ } ++ return NULL; ++} ++ + void pci_request_acs(void); + bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags); + bool pci_acs_path_enabled(struct pci_dev *start, +diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h +index 630c19772630..32cbe72bf545 100644 +--- a/kernel/rcu/tree_plugin.h ++++ b/kernel/rcu/tree_plugin.h +@@ -2275,6 +2275,7 @@ static int rcu_nocb_kthread(void *arg) + cl++; + c++; + local_bh_enable(); ++ cond_resched_rcu_qs(); + list = next; + } + trace_rcu_batch_end(rdp->rsp->name, c, !!list, 0, 0, 1); +diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h +index 4f6c62e5c21e..37ff0ab6a8ff 100644 +--- a/mm/kasan/kasan.h ++++ b/mm/kasan/kasan.h +@@ -52,6 +52,9 @@ struct kasan_global { + #if KASAN_ABI_VERSION >= 4 + struct kasan_source_location *location; + #endif ++#if KASAN_ABI_VERSION >= 5 ++ char *odr_indicator; ++#endif + }; + + static inline const void *kasan_shadow_to_mem(const void *shadow_addr) +diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c +index 3a9b66c6e09c..0aca39762ed0 100644 +--- a/sound/core/pcm_lib.c ++++ b/sound/core/pcm_lib.c +@@ -1886,8 +1886,8 @@ void snd_pcm_period_elapsed(struct snd_pcm_substream *substream) + snd_timer_interrupt(substream->timer, 1); + #endif + _end: +- snd_pcm_stream_unlock_irqrestore(substream, flags); + kill_fasync(&runtime->fasync, SIGIO, POLL_IN); ++ snd_pcm_stream_unlock_irqrestore(substream, flags); + } + + EXPORT_SYMBOL(snd_pcm_period_elapsed);
