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Date: Fri, 26 Aug 2022 14:51:32 +0800
From: Lin Yujun <linyujun809@...wei.com>
To: <corbet@....net>, <bp@...e.de>, <keescook@...omium.org>,
<aarcange@...hat.com>, <daniel.sneddon@...ux.intel.com>,
<longman@...hat.com>, <lukas.bulwahn@...il.com>,
<peterz@...radead.org>, <kim.phillips@....com>,
<linyujun809@...wei.com>
CC: <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] Documentation/hw-vuln: Update spectre doc
The following patch adds the specre_v2=ibrs option in
Documentation/admin-guide/kernel-parameters.txt
but omits it to
Documentation/admin-guide/hw-vuln/spectre.rst
commit 7c693f54c873691 ("x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS")
Supplement the specre_v2=ibrs option to
Documentation/admin-guide/hw-vuln/spectre.rst
Signed-off-by: Lin Yujun <linyujun809@...wei.com>
---
Documentation/admin-guide/hw-vuln/spectre.rst | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/admin-guide/hw-vuln/spectre.rst b/Documentation/admin-guide/hw-vuln/spectre.rst
index 2ce2a38cdd55..c4dcdb3d0d45 100644
--- a/Documentation/admin-guide/hw-vuln/spectre.rst
+++ b/Documentation/admin-guide/hw-vuln/spectre.rst
@@ -613,6 +613,7 @@ 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.
--
2.17.1
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