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authorBorislav Petkov <bp@suse.de>2016-03-29 11:41:58 -0400
committerIngo Molnar <mingo@kernel.org>2016-03-31 07:35:08 -0400
commitb8291adc191abec2095f03a130ac91506d345cae (patch)
tree2315c3d5345e339a21fcbe9d58a73dfd384b3ef5
parent62436a4d36c94d202784cd8a997ff8bb4b880237 (diff)
x86/cpufeature: Remove cpu_has_gbpages
Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1459266123-21878-6-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--arch/x86/include/asm/cpufeature.h1
-rw-r--r--arch/x86/kvm/mmu.c3
-rw-r--r--arch/x86/mm/hugetlbpage.c4
-rw-r--r--arch/x86/mm/init.c2
-rw-r--r--arch/x86/mm/ioremap.c2
-rw-r--r--arch/x86/mm/pageattr.c2
6 files changed, 7 insertions, 7 deletions
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 3da7aec9fca1..693b4aa43908 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -130,7 +130,6 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
130#define cpu_has_avx boot_cpu_has(X86_FEATURE_AVX) 130#define cpu_has_avx boot_cpu_has(X86_FEATURE_AVX)
131#define cpu_has_avx2 boot_cpu_has(X86_FEATURE_AVX2) 131#define cpu_has_avx2 boot_cpu_has(X86_FEATURE_AVX2)
132#define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLUSH) 132#define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLUSH)
133#define cpu_has_gbpages boot_cpu_has(X86_FEATURE_GBPAGES)
134#define cpu_has_pat boot_cpu_has(X86_FEATURE_PAT) 133#define cpu_has_pat boot_cpu_has(X86_FEATURE_PAT)
135#define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE) 134#define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE)
136#define cpu_has_xsaves boot_cpu_has(X86_FEATURE_XSAVES) 135#define cpu_has_xsaves boot_cpu_has(X86_FEATURE_XSAVES)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 70e95d097ef1..bc1e0b65909e 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3836,7 +3836,8 @@ reset_tdp_shadow_zero_bits_mask(struct kvm_vcpu *vcpu,
3836 __reset_rsvds_bits_mask(vcpu, &context->shadow_zero_check, 3836 __reset_rsvds_bits_mask(vcpu, &context->shadow_zero_check,
3837 boot_cpu_data.x86_phys_bits, 3837 boot_cpu_data.x86_phys_bits,
3838 context->shadow_root_level, false, 3838 context->shadow_root_level, false,
3839 cpu_has_gbpages, true, true); 3839 boot_cpu_has(X86_FEATURE_GBPAGES),
3840 true, true);
3840 else 3841 else
3841 __reset_rsvds_bits_mask_ept(&context->shadow_zero_check, 3842 __reset_rsvds_bits_mask_ept(&context->shadow_zero_check,
3842 boot_cpu_data.x86_phys_bits, 3843 boot_cpu_data.x86_phys_bits,
diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c
index 740d7ac03a55..14a95054d4e0 100644
--- a/arch/x86/mm/hugetlbpage.c
+++ b/arch/x86/mm/hugetlbpage.c
@@ -162,7 +162,7 @@ static __init int setup_hugepagesz(char *opt)
162 unsigned long ps = memparse(opt, &opt); 162 unsigned long ps = memparse(opt, &opt);
163 if (ps == PMD_SIZE) { 163 if (ps == PMD_SIZE) {
164 hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT); 164 hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT);
165 } else if (ps == PUD_SIZE && cpu_has_gbpages) { 165 } else if (ps == PUD_SIZE && boot_cpu_has(X86_FEATURE_GBPAGES)) {
166 hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT); 166 hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
167 } else { 167 } else {
168 printk(KERN_ERR "hugepagesz: Unsupported page size %lu M\n", 168 printk(KERN_ERR "hugepagesz: Unsupported page size %lu M\n",
@@ -177,7 +177,7 @@ __setup("hugepagesz=", setup_hugepagesz);
177static __init int gigantic_pages_init(void) 177static __init int gigantic_pages_init(void)
178{ 178{
179 /* With compaction or CMA we can allocate gigantic pages at runtime */ 179 /* With compaction or CMA we can allocate gigantic pages at runtime */
180 if (cpu_has_gbpages && !size_to_hstate(1UL << PUD_SHIFT)) 180 if (boot_cpu_has(X86_FEATURE_GBPAGES) && !size_to_hstate(1UL << PUD_SHIFT))
181 hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT); 181 hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
182 return 0; 182 return 0;
183} 183}
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 9d56f271d519..14377e98f279 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -173,7 +173,7 @@ static void __init probe_page_size_mask(void)
173 __supported_pte_mask &= ~_PAGE_GLOBAL; 173 __supported_pte_mask &= ~_PAGE_GLOBAL;
174 174
175 /* Enable 1 GB linear kernel mappings if available: */ 175 /* Enable 1 GB linear kernel mappings if available: */
176 if (direct_gbpages && cpu_has_gbpages) { 176 if (direct_gbpages && boot_cpu_has(X86_FEATURE_GBPAGES)) {
177 printk(KERN_INFO "Using GB pages for direct mapping\n"); 177 printk(KERN_INFO "Using GB pages for direct mapping\n");
178 page_size_mask |= 1 << PG_LEVEL_1G; 178 page_size_mask |= 1 << PG_LEVEL_1G;
179 } else { 179 } else {
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 0d8d53d1f5cc..5a116ace9cbb 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -378,7 +378,7 @@ EXPORT_SYMBOL(iounmap);
378int __init arch_ioremap_pud_supported(void) 378int __init arch_ioremap_pud_supported(void)
379{ 379{
380#ifdef CONFIG_X86_64 380#ifdef CONFIG_X86_64
381 return cpu_has_gbpages; 381 return boot_cpu_has(X86_FEATURE_GBPAGES);
382#else 382#else
383 return 0; 383 return 0;
384#endif 384#endif
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 01be9ec3bf79..fb20c2ee0092 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -1055,7 +1055,7 @@ static int populate_pud(struct cpa_data *cpa, unsigned long start, pgd_t *pgd,
1055 /* 1055 /*
1056 * Map everything starting from the Gb boundary, possibly with 1G pages 1056 * Map everything starting from the Gb boundary, possibly with 1G pages
1057 */ 1057 */
1058 while (cpu_has_gbpages && end - start >= PUD_SIZE) { 1058 while (boot_cpu_has(X86_FEATURE_GBPAGES) && end - start >= PUD_SIZE) {
1059 set_pud(pud, __pud(cpa->pfn << PAGE_SHIFT | _PAGE_PSE | 1059 set_pud(pud, __pud(cpa->pfn << PAGE_SHIFT | _PAGE_PSE |
1060 massage_pgprot(pud_pgprot))); 1060 massage_pgprot(pud_pgprot)));
1061 1061