diff options
| author | Luck, Tony <tony.luck@intel.com> | 2015-01-06 03:44:42 +0300 |
|---|---|---|
| committer | Andy Lutomirski <luto@amacapital.net> | 2015-01-07 18:47:42 +0300 |
| commit | d4812e169de44f4ab53ff671c6193c67de24da62 (patch) | |
| tree | e923316c76c2af0d2858f63dc275c1aa516ab020 /arch/x86/include/asm | |
| parent | bced35b65aefe53a6f77a9ed0ce1aea86e9d65a2 (diff) | |
| download | linux-d4812e169de44f4ab53ff671c6193c67de24da62.tar.xz | |
x86, mce: Get rid of TIF_MCE_NOTIFY and associated mce tricks
We now switch to the kernel stack when a machine check interrupts
during user mode. This means that we can perform recovery actions
in the tail of do_machine_check()
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/mce.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/thread_info.h | 4 |
2 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index 51b26e895933..9b3de99dc004 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -190,7 +190,6 @@ enum mcp_flags { void machine_check_poll(enum mcp_flags flags, mce_banks_t *b); int mce_notify_irq(void); -void mce_notify_process(void); DECLARE_PER_CPU(struct mce, injectm); diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h index 8b13b0fbda8e..e82e95abc92b 100644 --- a/arch/x86/include/asm/thread_info.h +++ b/arch/x86/include/asm/thread_info.h @@ -75,7 +75,6 @@ struct thread_info { #define TIF_SYSCALL_EMU 6 /* syscall emulation active */ #define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */ #define TIF_SECCOMP 8 /* secure computing */ -#define TIF_MCE_NOTIFY 10 /* notify userspace of an MCE */ #define TIF_USER_RETURN_NOTIFY 11 /* notify kernel of userspace return */ #define TIF_UPROBE 12 /* breakpointed or singlestepping */ #define TIF_NOTSC 16 /* TSC is not accessible in userland */ @@ -100,7 +99,6 @@ struct thread_info { #define _TIF_SYSCALL_EMU (1 << TIF_SYSCALL_EMU) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) -#define _TIF_MCE_NOTIFY (1 << TIF_MCE_NOTIFY) #define _TIF_USER_RETURN_NOTIFY (1 << TIF_USER_RETURN_NOTIFY) #define _TIF_UPROBE (1 << TIF_UPROBE) #define _TIF_NOTSC (1 << TIF_NOTSC) @@ -140,7 +138,7 @@ struct thread_info { /* Only used for 64 bit */ #define _TIF_DO_NOTIFY_MASK \ - (_TIF_SIGPENDING | _TIF_MCE_NOTIFY | _TIF_NOTIFY_RESUME | \ + (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | \ _TIF_USER_RETURN_NOTIFY | _TIF_UPROBE) /* flags to check in __switch_to() */ |