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authorBorislav Petkov <bp@suse.de>2018-09-27 18:36:24 +0200
committerBorislav Petkov <bp@suse.de>2018-09-27 18:36:24 +0200
commitd913e8966a8f4b259dd6f11f0c334d865cf9d3aa (patch)
tree0b354028600f61001317426da875edc50685d36d /arch/x86/include/asm/processor.h
parent6b58859419554fb824e09cfdd73151a195473cbc (diff)
parentc9661c1e80b609cd038db7c908e061f0535804ef (diff)
Merge branch 'tip-x86-hygon' into edac-for-4.20
... to pick up a dependent commit and share it with the tip tree, branch tip:x86/cpu. Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'arch/x86/include/asm/processor.h')
-rw-r--r--arch/x86/include/asm/processor.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index c24297268ebc..d4dfd02b740e 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -132,6 +132,8 @@ struct cpuinfo_x86 {
/* Index into per_cpu list: */
u16 cpu_index;
u32 microcode;
+ /* Address space bits used by the cache internally */
+ u8 x86_cache_bits;
unsigned initialized : 1;
} __randomize_layout;
@@ -153,7 +155,8 @@ enum cpuid_regs_idx {
#define X86_VENDOR_CENTAUR 5
#define X86_VENDOR_TRANSMETA 7
#define X86_VENDOR_NSC 8
-#define X86_VENDOR_NUM 9
+#define X86_VENDOR_HYGON 9
+#define X86_VENDOR_NUM 10
#define X86_VENDOR_UNKNOWN 0xff
@@ -183,7 +186,7 @@ extern void cpu_detect(struct cpuinfo_x86 *c);
static inline unsigned long long l1tf_pfn_limit(void)
{
- return BIT_ULL(boot_cpu_data.x86_phys_bits - 1 - PAGE_SHIFT);
+ return BIT_ULL(boot_cpu_data.x86_cache_bits - 1 - PAGE_SHIFT);
}
extern void early_cpu_init(void);