Messages in this thread Patch in this message | | | Date | Mon, 5 Feb 2018 12:59:44 +0000 | From | Darren Kenny <> | Subject | Re: [PATCH v2] Correct use of IBRS_ATT name, should be IBRS_ALL |
| |
Please ignore this, didn't realise it had been already applied - guess I looked in the wrong place.
Thanks,
Darren.
On Mon, Feb 05, 2018 at 11:02:20AM +0000, Darren Kenny wrote: >Fixes a comment in commit 117cc7a908c83697b0b737d15ae1eb5943afe35b >("x86/retpoline: Fill return stack buffer on vmexit") > >While the original name was "IBRS All The Time" (IBRS_ATT), >the publicly documented name is IBRS_ALL, we should be using that. > >Signed-off-by: Darren Kenny <darren.kenny@oracle.com> >Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> >Acked-by: David Woodhouse <dwmw@amazon.co.uk> >--- >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 4ad4108..5b778d2 100644 >--- a/arch/x86/include/asm/nospec-branch.h >+++ b/arch/x86/include/asm/nospec-branch.h >@@ -201,7 +201,7 @@ 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) >{ >-- >2.9.5 >
| |