Patch "x86/srso: Add SRSO mitigation for Hygon processors" has been added to the 5.10-stable tree

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This is a note to let you know that I've just added the patch titled

    x86/srso: Add SRSO mitigation for Hygon processors

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     x86-srso-add-srso-mitigation-for-hygon-processors.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From a5ef7d68cea1344cf524f04981c2b3f80bedbb0d Mon Sep 17 00:00:00 2001
From: Pu Wen <puwen@xxxxxxxx>
Date: Thu, 28 Sep 2023 14:59:16 +0800
Subject: x86/srso: Add SRSO mitigation for Hygon processors

From: Pu Wen <puwen@xxxxxxxx>

commit a5ef7d68cea1344cf524f04981c2b3f80bedbb0d upstream.

Add mitigation for the speculative return stack overflow vulnerability
which exists on Hygon processors too.

Signed-off-by: Pu Wen <puwen@xxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Acked-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/tencent_4A14812842F104E93AA722EC939483CEFF05@xxxxxx
Signed-off-by: Ashwin Dayanand Kamat <ashwin.kamat@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 arch/x86/kernel/cpu/common.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1177,7 +1177,7 @@ static const struct x86_cpu_id cpu_vuln_
 	VULNBL_AMD(0x15, RETBLEED),
 	VULNBL_AMD(0x16, RETBLEED),
 	VULNBL_AMD(0x17, RETBLEED | SRSO),
-	VULNBL_HYGON(0x18, RETBLEED),
+	VULNBL_HYGON(0x18, RETBLEED | SRSO),
 	VULNBL_AMD(0x19, SRSO),
 	{}
 };


Patches currently in stable-queue which might be from puwen@xxxxxxxx are

queue-5.10/x86-srso-add-srso-mitigation-for-hygon-processors.patch




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