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| author | Ingo Molnar <mingo@kernel.org> | 2017-12-05 14:54:18 +0100 |
|---|---|---|
| committer | Eduardo Valentin <edubezval@gmail.com> | 2017-12-22 23:40:31 -0800 |
| commit | 68fe1249108fefbe90d150f96bbed80c7cf54953 (patch) | |
| tree | 5f0edf382e8795617e82f961d3cda27ddc197fc6 | |
| parent | de6cb51fcf41f84bd0da4be6f7d5e3cf3958d0f5 (diff) | |
| download | linux-backports/v4.9.y/x86/kpti.tar.gz | |
x86/pti: Add temporary workaround for the fixmap sizing bugbackports/v4.9.y/x86/kpti
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
(cherry picked from commit 8347aa1b40762049156e940ebba0108233687223)
Signed-off-by: Eduardo Valentin <eduval@amazon.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
| -rw-r--r-- | arch/x86/Kconfig | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f66163a8024ee1..3896f6e119a277 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -898,6 +898,8 @@ config IOMMU_HELPER config MAXSMP bool "Enable Maximum number of SMP Processors and NUMA Nodes" depends on X86_64 && SMP && DEBUG_KERNEL + # workaround for the fixmap sizing bug, for the time being: + depends on BROKEN select CPUMASK_OFFSTACK ---help--- Enable maximum number of CPUS and NUMA Nodes for this architecture. |