From: Diana Craciun <diana.craciun@nxp.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: mpe@ellerman.id.au, oss@buserror.net, leoyang.li@nxp.com,
bharat.bhushan@nxp.com, Diana Craciun <diana.craciun@nxp.com>
Subject: [PATCH v4 2/6] powerpc/fsl: Document nospectre_v1 kernel parameter.
Date: Tue, 17 Jul 2018 14:09:53 +0300 [thread overview]
Message-ID: <1531825797-14236-3-git-send-email-diana.craciun@nxp.com> (raw)
In-Reply-To: <1531825797-14236-1-git-send-email-diana.craciun@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
---
History:
v2-->v3
- new
Documentation/admin-guide/kernel-parameters.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index efc7aa7..b346cc7 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2687,6 +2687,10 @@
nosmt [KNL,S390] Disable symmetric multithreading (SMT).
Equivalent to smt=1.
+ nospectre_v1 [PPC] Disable mitigations for Spectre Variant 1
+ (bounds check bypass). With this option data leaks are
+ possible in the system.
+
nospectre_v2 [X86] Disable all mitigations for the Spectre variant 2
(indirect branch prediction) vulnerability. System may
allow data leaks with this option, which is equivalent
--
2.5.5
next prev parent reply other threads:[~2018-07-17 11:10 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-17 11:09 [PATCH v4 0/6] powerpc/fsl: Speculation barrier for NXP PowerPC Book3E Diana Craciun
2018-07-17 11:09 ` [PATCH v4 1/6] powerpc/fsl: Disable the speculation barrier from the command line Diana Craciun
2018-07-17 11:09 ` Diana Craciun [this message]
2018-07-17 11:09 ` [PATCH v4 3/6] powerpc/fsl: Make stf barrier PPC_BOOK3S_64 specific Diana Craciun
2018-07-17 11:09 ` [PATCH v4 4/6] powerpc/fsl: Enable cpu vulnerabilities reporting for NXP PPC BOOK3E Diana Craciun
2018-07-17 16:46 ` LEROY Christophe
2018-07-18 14:29 ` Diana Madalina Craciun
2018-07-18 16:02 ` LEROY Christophe
2018-07-19 12:05 ` Michael Ellerman
2018-07-20 15:34 ` Diana Madalina Craciun
2018-07-17 11:09 ` [PATCH v4 5/6] powerpc/fsl: Add barrier_nospec implementation for NXP PowerPC Book3E Diana Craciun
2018-07-17 11:09 ` [PATCH v4 6/6] powerpc/fsl: Sanitize the syscall table for NXP PowerPC 32 bit platforms Diana Craciun
2018-07-17 16:43 ` [PATCH v4 0/6] powerpc/fsl: Speculation barrier for NXP PowerPC Book3E LEROY Christophe
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