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authorAndy Lutomirski <luto@kernel.org>2017-03-23 00:32:33 +0300
committerIngo Molnar <mingo@kernel.org>2017-03-23 10:25:08 +0300
commit59c58ceb29d0f030eddb36a3a9dbadcc499786a6 (patch)
tree8a71a0b532d58fd97ee94106b690b46821ce1679 /arch
parent23b2a4ddebdd17fad265b4bb77256c2e4ec37dee (diff)
downloadlinux-59c58ceb29d0f030eddb36a3a9dbadcc499786a6.tar.xz
x86/gdt: Get rid of the get_*_gdt_*_vaddr() helpers
There's a single caller that is only there because it's passing a pointer into a function (vmcs_writel()) that takes an unsigned long. Let's just cast it in place rather than having a bunch of trivial helpers. Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Juergen Gross <jgross@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Garnier <thgarnie@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/46108fb35e1699252b1b6a85039303ff562c9836.1490218061.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/desc.h20
-rw-r--r--arch/x86/kvm/vmx.c4
2 files changed, 2 insertions, 22 deletions
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h
index bde11696b893..17cb46e8a184 100644
--- a/arch/x86/include/asm/desc.h
+++ b/arch/x86/include/asm/desc.h
@@ -53,22 +53,12 @@ static inline struct desc_struct *get_cpu_gdt_rw(unsigned int cpu)
return per_cpu(gdt_page, cpu).gdt;
}
-static inline unsigned long get_cpu_gdt_rw_vaddr(unsigned int cpu)
-{
- return (unsigned long)get_cpu_gdt_rw(cpu);
-}
-
/* Provide the current original GDT */
static inline struct desc_struct *get_current_gdt_rw(void)
{
return this_cpu_ptr(&gdt_page)->gdt;
}
-static inline unsigned long get_current_gdt_rw_vaddr(void)
-{
- return (unsigned long)get_current_gdt_rw();
-}
-
/* Get the fixmap index for a specific processor */
static inline unsigned int get_cpu_gdt_ro_index(int cpu)
{
@@ -82,22 +72,12 @@ static inline struct desc_struct *get_cpu_gdt_ro(int cpu)
return (struct desc_struct *)__fix_to_virt(idx);
}
-static inline unsigned long get_cpu_gdt_ro_vaddr(int cpu)
-{
- return (unsigned long)get_cpu_gdt_ro(cpu);
-}
-
/* Provide the current read-only GDT */
static inline struct desc_struct *get_current_gdt_ro(void)
{
return get_cpu_gdt_ro(smp_processor_id());
}
-static inline unsigned long get_current_gdt_ro_vaddr(void)
-{
- return (unsigned long)get_current_gdt_ro();
-}
-
/* Provide the physical address of the GDT page. */
static inline phys_addr_t get_cpu_gdt_paddr(unsigned int cpu)
{
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 596a76d82b11..3acde663dc58 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2264,7 +2264,7 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
}
if (!already_loaded) {
- unsigned long gdt = get_current_gdt_ro_vaddr();
+ void *gdt = get_current_gdt_ro();
unsigned long sysenter_esp;
kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
@@ -2275,7 +2275,7 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
*/
vmcs_writel(HOST_TR_BASE,
(unsigned long)this_cpu_ptr(&cpu_tss));
- vmcs_writel(HOST_GDTR_BASE, gdt); /* 22.2.4 */
+ vmcs_writel(HOST_GDTR_BASE, (unsigned long)gdt); /* 22.2.4 */
/*
* VM exits change the host TR limit to 0x67 after a VM