4.9-stable review patch. If anyone has any objections, please let me know.
------------------ From: Thomas Gleixner <[email protected]> commit de791821c295cc61419a06fe5562288417d1bc58 upstream. Use the name associated with the particular attack which needs page table isolation for mitigation. Signed-off-by: Thomas Gleixner <[email protected]> Acked-by: David Woodhouse <[email protected]> Cc: Alan Cox <[email protected]> Cc: Jiri Koshina <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Tim Chen <[email protected]> Cc: Andi Lutomirski <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Paul Turner <[email protected]> Cc: Tom Lendacky <[email protected]> Cc: Greg KH <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Kees Cook <[email protected]> Cc: [email protected] Link: https://lkml.kernel.org/r/alpine.DEB.2.20.1801051525300.1724@nanos Signed-off-by: Razvan Ghitulete <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- arch/x86/include/asm/cpufeatures.h | 2 +- arch/x86/kernel/cpu/common.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -316,6 +316,6 @@ #define X86_BUG_SWAPGS_FENCE X86_BUG(11) /* SWAPGS without input dep on GS */ #define X86_BUG_MONITOR X86_BUG(12) /* IPI required to wake up remote CPU */ #define X86_BUG_AMD_E400 X86_BUG(13) /* CPU is among the affected by Erratum 400 */ -#define X86_BUG_CPU_INSECURE X86_BUG(14) /* CPU is insecure and needs kernel page table isolation */ +#define X86_BUG_CPU_MELTDOWN X86_BUG(14) /* CPU is affected by meltdown attack and needs kernel page table isolation */ #endif /* _ASM_X86_CPUFEATURES_H */ --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -884,7 +884,7 @@ static void __init early_identify_cpu(st setup_force_cpu_cap(X86_FEATURE_ALWAYS); /* Assume for now that ALL x86 CPUs are insecure */ - setup_force_cpu_bug(X86_BUG_CPU_INSECURE); + setup_force_cpu_bug(X86_BUG_CPU_MELTDOWN); fpu__init_system(c); }
