Commit 06cb31cc authored Aug 30, 2022 by Lin Yujun Committed by Jonathan Corbet Sep 27, 2022

Documentation/hw-vuln: Update spectre doc



commit 7c693f54 ("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>
Link: https://lore.kernel.org/r/20220830123614.23007-1-linyujun809@huawei.com


Signed-off-by: Jonathan Corbet <corbet@lwn.net>

parent 622d6f19

Documentation/admin-guide/hw-vuln/spectre.rst

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -613,6 +613,7 @@ kernel command line.
	eibrs enhanced IBRS		eibrs enhanced IBRS
	eibrs,retpoline enhanced IBRS + Retpolines		eibrs,retpoline enhanced IBRS + Retpolines
	eibrs,lfence enhanced IBRS + LFENCE		eibrs,lfence enhanced IBRS + LFENCE
			ibrs use IBRS to protect kernel

	Not specifying this option is equivalent to		Not specifying this option is equivalent to
	spectre_v2=auto.		spectre_v2=auto.