diff options
author | Ingo Molnar <mingo@kernel.org> | 2017-12-01 10:32:48 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2017-12-17 12:58:53 +0100 |
commit | 0fd2e9c53d82704a3ba87ea1980ec515188c5316 (patch) | |
tree | a828c396110053feba9e65307a4e802b00966519 /arch/x86/include/asm/ptrace.h | |
parent | 1784f9144b143a1e8b19fe94083b040aa559182b (diff) | |
parent | 1e4c4f610f774df6088d7c065b2dd4d22adba698 (diff) |
Merge commit 'upstream-x86-entry' into WIP.x86/mm
Pull in a minimal set of v4.15 entry code changes, for a base for the MM isolation patches.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/ptrace.h')
-rw-r--r-- | arch/x86/include/asm/ptrace.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h index c0e3c45cf6ab..14131dd06b29 100644 --- a/arch/x86/include/asm/ptrace.h +++ b/arch/x86/include/asm/ptrace.h @@ -136,9 +136,9 @@ static inline int v8086_mode(struct pt_regs *regs) #endif } -#ifdef CONFIG_X86_64 static inline bool user_64bit_mode(struct pt_regs *regs) { +#ifdef CONFIG_X86_64 #ifndef CONFIG_PARAVIRT /* * On non-paravirt systems, this is the only long mode CPL 3 @@ -149,8 +149,12 @@ static inline bool user_64bit_mode(struct pt_regs *regs) /* Headers are too twisted for this to go in paravirt.h. */ return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs; #endif +#else /* !CONFIG_X86_64 */ + return false; +#endif } +#ifdef CONFIG_X86_64 #define current_user_stack_pointer() current_pt_regs()->sp #define compat_user_stack_pointer() current_pt_regs()->sp #endif |