x86/cpufeatures: Add X86_FEATURE_RDS
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Sat, 28 Apr 2018 20:34:17 +0000 (22:34 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 22 May 2018 16:54:02 +0000 (18:54 +0200)
commit832b579e1e83f17e14a8c054ccc768eaf5e80269
tree90118d9e825895a50c85e08153972f968daf62b1
parentc6dc89dd04e3adfb713c40c20817a8791a8deda6
x86/cpufeatures: Add X86_FEATURE_RDS

commit 0cc5fa00b0a88dad140b4e5c2cead9951ad36822 upstream

Add the CPU feature bit CPUID.7.0.EDX[31] which indicates whether the CPU
supports Reduced Data Speculation.

[ tglx: Split it out from a later patch ]

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/x86/include/asm/cpufeatures.h