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Date: Fri, 2 Feb 2018 19:12:20 +0000
From: Darren Kenny <darren.kenny@...cle.com>
To: linux-kernel@...r.kernel.org
Cc: Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
David Woodhouse <dwmw@...zon.co.uk>,
Arjan van de Ven <arjan@...ux.intel.com>,
Borislav Petkov <bp@...en8.de>,
Andi Kleen <ak@...ux.intel.com>,
Tom Lendacky <thomas.lendacky@....com>,
Masami Hiramatsu <mhiramat@...nel.org>,
Darren Kenny <darren.kenny@...cle.com>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: [PATCH] Fix typo IBRS_ATT, which should be IBRS_ALL
Fixes a typo in commit 117cc7a908c83697b0b737d15ae1eb5943afe35b
("x86/retpoline: Fill return stack buffer on vmexit")
Signed-off-by: Darren Kenny <darren.kenny@...cle.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.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 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
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