Messages in this thread Patch in this message |  | | Date | Fri, 2 Feb 2018 14:19:18 -0800 | From | tip-bot for Darren Kenny <> | Subject | [tip:x86/pti] x86/speculation: Fix typo IBRS_ATT, which should be IBRS_ALL |
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Commit-ID: af189c95a371b59f493dbe0f50c0a09724868881 Gitweb: https://git.kernel.org/tip/af189c95a371b59f493dbe0f50c0a09724868881 Author: Darren Kenny <darren.kenny@oracle.com> AuthorDate: Fri, 2 Feb 2018 19:12:20 +0000 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Fri, 2 Feb 2018 23:13:57 +0100
x86/speculation: Fix typo IBRS_ATT, which should be IBRS_ALL
Fixes: 117cc7a908c83 ("x86/retpoline: Fill return stack buffer on vmexit") Signed-off-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: David Woodhouse <dwmw@amazon.co.uk> Link: https://lkml.kernel.org/r/20180202191220.blvgkgutojecxr3b@starbug-vm.ie.oracle.com
--- arch/x86/include/asm/nospec-branch.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h index d15d471..4d57894 100644 --- a/arch/x86/include/asm/nospec-branch.h +++ b/arch/x86/include/asm/nospec-branch.h @@ -150,7 +150,7 @@ extern char __indirect_thunk_end[]; * On VMEXIT we must ensure that no RSB predictions learned in the guest * can be followed in the host, by overwriting the RSB completely. Both * retpoline and IBRS mitigations for Spectre v2 need this; only on future - * CPUs with IBRS_ATT *might* it be avoided. + * CPUs with IBRS_ALL *might* it be avoided. */ static inline void vmexit_fill_RSB(void) {
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