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authorAndreas Gruenbacher <agruenba@redhat.com>2017-10-16 15:06:23 +0200
committerAndreas Gruenbacher <agruenba@redhat.com>2017-10-16 15:06:23 +0200
commit0c9a66ec0e362fe9aff545b755430e56f58f2b96 (patch)
tree3ffc63e84133d640b9d7def9102ab62a30da460e /arch/x86/kernel/cpu/common.c
parentc2c4be28c248232d5bdfa5911f3b721db771f4f0 (diff)
parent9ca250a5137f3df7ffac58b49660beadd5926ace (diff)
downloadtalos-op-linux-0c9a66ec0e362fe9aff545b755430e56f58f2b96.tar.gz
talos-op-linux-0c9a66ec0e362fe9aff545b755430e56f58f2b96.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
-rw-r--r--arch/x86/kernel/cpu/common.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 775f10100d7f..c9176bae7fd8 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -904,6 +904,14 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c)
setup_force_cpu_cap(X86_FEATURE_ALWAYS);
fpu__init_system(c);
+
+#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
}
void __init early_cpu_init(void)
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