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authorArnaldo Carvalho de Melo <acme@redhat.com>2020-08-06 14:15:47 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-08-06 14:15:47 +0300
commit94fb1afb14c4f0ceb8c5508ddddac6819f662e95 (patch)
tree4988e5769dc7482caa7f441475ae31f50bbd37ef /arch/x86/include/asm/stackprotector.h
parentc4735d990268399da9133b0ad445e488ece009ad (diff)
parent47ec5303d73ea344e84f46660fff693c57641386 (diff)
downloadlinux-94fb1afb14c4f0ceb8c5508ddddac6819f662e95.tar.xz
Mgerge remote-tracking branch 'torvalds/master' into perf/core
To sync headers, for instance, in this case tools/perf was ahead of upstream till Linus merged tip/perf/core to get the PERF_RECORD_TEXT_POKE changes: Warning: Kernel ABI header at 'tools/include/uapi/linux/perf_event.h' differs from latest version at 'include/uapi/linux/perf_event.h' diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/stackprotector.h')
-rw-r--r--arch/x86/include/asm/stackprotector.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/include/asm/stackprotector.h b/arch/x86/include/asm/stackprotector.h
index 9804a7957f4e..7fb482f0f25b 100644
--- a/arch/x86/include/asm/stackprotector.h
+++ b/arch/x86/include/asm/stackprotector.h
@@ -90,6 +90,15 @@ static __always_inline void boot_init_stack_canary(void)
#endif
}
+static inline void cpu_init_stack_canary(int cpu, struct task_struct *idle)
+{
+#ifdef CONFIG_X86_64
+ per_cpu(fixed_percpu_data.stack_canary, cpu) = idle->stack_canary;
+#else
+ per_cpu(stack_canary.canary, cpu) = idle->stack_canary;
+#endif
+}
+
static inline void setup_stack_canary_segment(int cpu)
{
#ifdef CONFIG_X86_32
@@ -119,6 +128,9 @@ static inline void load_stack_canary_segment(void)
static inline void setup_stack_canary_segment(int cpu)
{ }
+static inline void cpu_init_stack_canary(int cpu, struct task_struct *idle)
+{ }
+
static inline void load_stack_canary_segment(void)
{
#ifdef CONFIG_X86_32