On 12/05/2018 01:47 AM, Ingo Molnar wrote: > > * Lendacky, Thomas <[email protected]> wrote: > >> The User Mode Instruction Prevention (UMIP) feature is part of the x86_64 >> instruction set architecture and not specific to Intel. Make the message >> generic. >> >> Signed-off-by: Tom Lendacky <[email protected]> >> --- >> >> This patch is against the x86/cpu branch of the tip tree: >> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/cpu >> >> arch/x86/kernel/cpu/common.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c >> index 2c56b80..cb28e98 100644 >> --- a/arch/x86/kernel/cpu/common.c >> +++ b/arch/x86/kernel/cpu/common.c >> @@ -353,7 +353,7 @@ static __always_inline void setup_umip(struct >> cpuinfo_x86 *c) >> >> cr4_set_bits(X86_CR4_UMIP); >> >> - pr_info_once("x86/cpu: Intel User Mode Instruction Prevention (UMIP) >> activated\n"); >> + pr_info_once("x86/cpu: User Mode Instruction Prevention (UMIP) >> activated\n"); > > Is there any public information about which AMD CPUs are going to support > it?
No public information yet... Thanks, Tom > > The latest AMD CPU I can test on is a Ryzen Threadripper 1950X, and that > doesn't have UMIP. > > Thanks, > > Ingo >
