From: Diana Craciun <diana.craciun@nxp.com>
To: stable@vger.kernel.org, gregkh@linuxfoundation.org
Cc: Diana Craciun <diana.craciun@nxp.com>, linuxppc-dev@ozlabs.org
Subject: [PATCH stable v4.4 8/8] Documentation: Add nospectre_v1 parameter
Date: Mon, 29 Apr 2019 18:49:08 +0300 [thread overview]
Message-ID: <1556552948-24957-9-git-send-email-diana.craciun@nxp.com> (raw)
In-Reply-To: <1556552948-24957-1-git-send-email-diana.craciun@nxp.com>
Currently only supported on powerpc.
Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
Documentation/kernel-parameters.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index f0bdf78420a0..3ff87d5d6fea 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2449,6 +2449,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
legacy floating-point registers on task switch.
nohugeiomap [KNL,x86] Disable kernel huge I/O mappings.
+
+ 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,PPC_FSL_BOOK3E] Disable all mitigations for the Spectre variant 2
(indirect branch prediction) vulnerability. System may
--
2.17.1
next prev parent reply other threads:[~2019-04-29 16:05 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-29 15:49 [PATCH stable v4.4 0/8] missing powerpc spectre backports for 4.4 Diana Craciun
2019-04-29 15:49 ` [PATCH stable v4.4 1/8] powerpc/fsl: Enable runtime patching if nospectre_v2 boot arg is used Diana Craciun
2019-04-30 10:40 ` Patch "powerpc/fsl: Enable runtime patching if nospectre_v2 boot arg is used" has been added to the 4.4-stable tree gregkh
2019-04-29 15:49 ` [PATCH stable v4.4 2/8] powerpc/fsl: Flush branch predictor when entering KVM Diana Craciun
2019-04-30 10:40 ` Patch "powerpc/fsl: Flush branch predictor when entering KVM" has been added to the 4.4-stable tree gregkh
2019-04-29 15:49 ` [PATCH stable v4.4 3/8] powerpc/fsl: Emulate SPRN_BUCSR register Diana Craciun
2019-04-30 10:40 ` Patch "powerpc/fsl: Emulate SPRN_BUCSR register" has been added to the 4.4-stable tree gregkh
2019-04-29 15:49 ` [PATCH stable v4.4 4/8] powerpc/fsl: Flush the branch predictor at each kernel entry (32 bit) Diana Craciun
2019-04-30 10:40 ` Patch "powerpc/fsl: Flush the branch predictor at each kernel entry (32 bit)" has been added to the 4.4-stable tree gregkh
2019-04-29 15:49 ` [PATCH stable v4.4 5/8] powerpc/fsl: Sanitize the syscall table for NXP PowerPC 32 bit platforms Diana Craciun
2019-04-30 10:40 ` Patch "powerpc/fsl: Sanitize the syscall table for NXP PowerPC 32 bit platforms" has been added to the 4.4-stable tree gregkh
2019-04-29 15:49 ` [PATCH stable v4.4 6/8] powerpc/fsl: Fixed warning: orphan section `__btb_flush_fixup' Diana Craciun
2019-04-30 10:40 ` Patch "powerpc/fsl: Fixed warning: orphan section `__btb_flush_fixup'" has been added to the 4.4-stable tree gregkh
2019-04-29 15:49 ` [PATCH stable v4.4 7/8] powerpc/fsl: Add FSL_PPC_BOOK3E as supported arch for nospectre_v2 boot arg Diana Craciun
2019-04-30 10:37 ` Greg KH
2019-04-29 15:49 ` Diana Craciun [this message]
2019-04-30 10:38 ` [PATCH stable v4.4 8/8] Documentation: Add nospectre_v1 parameter Greg KH
2019-04-30 10:41 ` [PATCH stable v4.4 0/8] missing powerpc spectre backports for 4.4 Greg KH
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