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| author | Ingo Molnar <mingo@kernel.org> | 2017-08-31 14:20:06 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-31 14:20:06 +0200 |
| commit | 3e83dfd5d8e374328078f527f1f7d189824896ab (patch) | |
| tree | 2f82b2e82f7a4b5c513fed42d4228a8bce938180 /arch/x86/kernel/cpu/bugs.c | |
| parent | 3308376a914b9c3f57a12072c063814403d983a8 (diff) | |
| parent | 9e52fc2b50de3a1c08b44f94c610fbe998c0031a (diff) | |
Merge branch 'x86/mm' into x86/platform, to pick up TLB flush dependency
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/bugs.c')
| -rw-r--r-- | arch/x86/kernel/cpu/bugs.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 0af86d9242da..db684880d74a 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -21,6 +21,14 @@ void __init check_bugs(void) { +#ifdef CONFIG_X86_32 + /* + * Regardless of whether PCID is enumerated, the SDM says + * that it can't be enabled in 32-bit mode. + */ + setup_clear_cpu_cap(X86_FEATURE_PCID); +#endif + identify_boot_cpu(); if (!IS_ENABLED(CONFIG_SMP)) { |