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Subject[tip:x86/pti] x86/speculation: Fix typo IBRS_ATT, which should be IBRS_ALL
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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