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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-09 09:05:05 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-09 09:05:05 +0200
commit9424e8b1fedbaff34df187fdb87f9a9cba2d0ff2 (patch)
tree7a595ccc67ae0cd9a414383ff2f6ede291c7dc18 /arch/x86/kernel/cpu/common.c
parentvt: Use consistent logging style (diff)
parentLinux 4.14-rc4 (diff)
downloadlinux-9424e8b1fedbaff34df187fdb87f9a9cba2d0ff2.tar.xz
linux-9424e8b1fedbaff34df187fdb87f9a9cba2d0ff2.zip
Merge 4.14-rc4 into tty-next
We want the tty/serial fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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)