From: Lin Yujun <linyujun809@huawei.com>
To: <corbet@lwn.net>, <bp@suse.de>, <keescook@chromium.org>,
<aarcange@redhat.com>, <daniel.sneddon@linux.intel.com>,
<longman@redhat.com>, <lukas.bulwahn@gmail.com>,
<peterz@infradead.org>, <kim.phillips@amd.com>,
<linyujun809@huawei.com>
Cc: <linux-doc@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH -next] Documentation/hw-vuln: Update spectre doc
Date: Tue, 30 Aug 2022 20:36:14 +0800 [thread overview]
Message-ID: <20220830123614.23007-1-linyujun809@huawei.com> (raw)
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@huawei.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
next reply other threads:[~2022-08-30 12:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-30 12:36 Lin Yujun [this message]
2022-09-13 9:38 ` [PATCH -next] Documentation/hw-vuln: Update spectre doc linyujun (C)
2022-09-21 20:09 ` Jonathan Corbet
-- strict thread matches above, loose matches on Subject: below --
2022-08-26 6:51 Lin Yujun
2022-08-26 12:56 ` Bagas Sanjaya
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