projects / thirdparty / kernel / stable-queue.git / blame
| Commit | Line | Data |
|---|---|---|
| ad99ec7c GKH |
1 | From 26cb1f36c43ee6e89d2a9f48a5a7500d5248f836 Mon Sep 17 00:00:00 2001 |
| 2 | From: Diana Craciun <diana.craciun@nxp.com> | |
| 3 | Date: Sat, 28 Jul 2018 09:06:39 +1000 | |
| 4 | Subject: Documentation: Add nospectre_v1 parameter | |
| 5 | ||
| 6 | From: Diana Craciun <diana.craciun@nxp.com> | |
| 7 | ||
| 8 | commit 26cb1f36c43ee6e89d2a9f48a5a7500d5248f836 upstream. | |
| 9 | ||
| 10 | Currently only supported on powerpc. | |
| 11 | ||
| 12 | Signed-off-by: Diana Craciun <diana.craciun@nxp.com> | |
| 13 | Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> | |
| 14 | Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
| 15 | ||
| 16 | --- | |
| 17 | Documentation/kernel-parameters.txt | 4 ++++ | |
| 18 | 1 file changed, 4 insertions(+) | |
| 19 | ||
| 20 | --- a/Documentation/kernel-parameters.txt | |
| 21 | +++ b/Documentation/kernel-parameters.txt | |
| 22 | @@ -2450,6 +2450,10 @@ bytes respectively. Such letter suffixes | |
| 23 | ||
| 24 | nohugeiomap [KNL,x86] Disable kernel huge I/O mappings. | |
| 25 | ||
| 26 | + nospectre_v1 [PPC] Disable mitigations for Spectre Variant 1 (bounds | |
| 27 | + check bypass). With this option data leaks are possible | |
| 28 | + in the system. | |
| 29 | + | |
| 30 | nospectre_v2 [X86,PPC_FSL_BOOK3E] Disable all mitigations for the Spectre variant 2 | |
| 31 | (indirect branch prediction) vulnerability. System may | |
| 32 | allow data leaks with this option, which is equivalent |