Patch "Documentation/hw-vuln: Update spectre doc" has been added to the 5.15-stable tree

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

    Documentation/hw-vuln: Update spectre doc

to the 5.15-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:
     documentation-hw-vuln-update-spectre-doc.patch
and it can be found in the queue-5.15 subdirectory.

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


>From 06cb31cc761823ef444ba4e1df11347342a6e745 Mon Sep 17 00:00:00 2001
From: Lin Yujun <linyujun809@xxxxxxxxxx>
Date: Tue, 30 Aug 2022 20:36:14 +0800
Subject: Documentation/hw-vuln: Update spectre doc

From: Lin Yujun <linyujun809@xxxxxxxxxx>

commit 06cb31cc761823ef444ba4e1df11347342a6e745 upstream.

commit 7c693f54c873691 ("x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS")

adds the "ibrs " option  in
Documentation/admin-guide/kernel-parameters.txt but omits it to
Documentation/admin-guide/hw-vuln/spectre.rst, add it.

Signed-off-by: Lin Yujun <linyujun809@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220830123614.23007-1-linyujun809@xxxxxxxxxx
Signed-off-by: Jonathan Corbet <corbet@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 Documentation/admin-guide/hw-vuln/spectre.rst |    1 +
 1 file changed, 1 insertion(+)

--- a/Documentation/admin-guide/hw-vuln/spectre.rst
+++ b/Documentation/admin-guide/hw-vuln/spectre.rst
@@ -625,6 +625,7 @@ kernel command line.
                 eibrs                   enhanced IBRS
                 eibrs,retpoline         enhanced IBRS + Retpolines
                 eibrs,lfence            enhanced IBRS + LFENCE
+                ibrs                    use IBRS to protect kernel
 
 		Not specifying this option is equivalent to
 		spectre_v2=auto.


Patches currently in stable-queue which might be from linyujun809@xxxxxxxxxx are

queue-5.15/documentation-hw-vuln-update-spectre-doc.patch




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