3.16.54-rc1 review patch. If anyone has any objections, please let me know.
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From: Andy Lutomirski luto@kernel.org
commit cc1e24fdb064d3126a494716f22ad4fc39306742 upstream.
Signed-off-by: Andy Lutomirski luto@kernel.org Reviewed-by: Paolo Bonzini pbonzini@redhat.com Cc: Andy Lutomirski luto@amacapital.net 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: Linus Torvalds torvalds@linux-foundation.org Cc: Peter Zijlstra peterz@infradead.org Cc: Thomas Gleixner tglx@linutronix.de Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/4933029991103ae44672c82b97a20035f5c1fe4f.1449702533... Signed-off-by: Ingo Molnar mingo@kernel.org [bwh: Backported to 3.16: adjust filenames, context] Signed-off-by: Ben Hutchings ben@decadent.org.uk --- arch/x86/include/asm/fixmap.h | 5 ----- arch/x86/include/asm/pvclock.h | 5 ----- arch/x86/kernel/kvmclock.c | 6 ------ arch/x86/kernel/pvclock.c | 24 ------------------------ arch/x86/vdso/vclock_gettime.c | 1 - arch/x86/vdso/vma.c | 1 + 6 files changed, 1 insertion(+), 41 deletions(-)
--- a/arch/x86/include/asm/fixmap.h +++ b/arch/x86/include/asm/fixmap.h @@ -19,7 +19,6 @@ #include <asm/acpi.h> #include <asm/apicdef.h> #include <asm/page.h> -#include <asm/pvclock.h> #ifdef CONFIG_X86_32 #include <linux/threads.h> #include <asm/kmap_types.h> @@ -70,10 +69,6 @@ enum fixed_addresses { FIX_HOLE, #else VSYSCALL_PAGE = (FIXADDR_TOP - VSYSCALL_ADDR) >> PAGE_SHIFT, -#ifdef CONFIG_PARAVIRT_CLOCK - PVCLOCK_FIXMAP_BEGIN, - PVCLOCK_FIXMAP_END = PVCLOCK_FIXMAP_BEGIN+PVCLOCK_VSYSCALL_NR_PAGES-1, -#endif #endif FIX_DBGP_BASE, FIX_EARLYCON_MEM_BASE, --- a/arch/x86/include/asm/pvclock.h +++ b/arch/x86/include/asm/pvclock.h @@ -107,10 +107,5 @@ struct pvclock_vsyscall_time_info { } __attribute__((__aligned__(SMP_CACHE_BYTES)));
#define PVTI_SIZE sizeof(struct pvclock_vsyscall_time_info) -#define PVCLOCK_VSYSCALL_NR_PAGES (((NR_CPUS-1)/(PAGE_SIZE/PVTI_SIZE))+1) - -int __init pvclock_init_vsyscall(struct pvclock_vsyscall_time_info *i, - int size); -struct pvclock_vcpu_time_info *pvclock_get_vsyscall_time_info(int cpu);
#endif /* _ASM_X86_PVCLOCK_H */ --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -278,7 +278,6 @@ int __init kvm_setup_vsyscall_timeinfo(v { #ifdef CONFIG_X86_64 int cpu; - int ret; u8 flags; struct pvclock_vcpu_time_info *vcpu_time; unsigned int size; @@ -299,11 +298,6 @@ int __init kvm_setup_vsyscall_timeinfo(v return 1; }
- if ((ret = pvclock_init_vsyscall(hv_clock, size))) { - preempt_enable(); - return ret; - } - preempt_enable();
kvm_clock.archdata.vclock_mode = VCLOCK_PVCLOCK; --- a/arch/x86/kernel/pvclock.c +++ b/arch/x86/kernel/pvclock.c @@ -140,27 +140,3 @@ void pvclock_read_wallclock(struct pvclo
set_normalized_timespec(ts, now.tv_sec, now.tv_nsec); } - -#ifdef CONFIG_X86_64 -/* - * Initialize the generic pvclock vsyscall state. This will allocate - * a/some page(s) for the per-vcpu pvclock information, set up a - * fixmap mapping for the page(s) - */ - -int __init pvclock_init_vsyscall(struct pvclock_vsyscall_time_info *i, - int size) -{ - int idx; - - WARN_ON (size != PVCLOCK_VSYSCALL_NR_PAGES*PAGE_SIZE); - - for (idx = 0; idx <= (PVCLOCK_FIXMAP_END-PVCLOCK_FIXMAP_BEGIN); idx++) { - __set_fixmap(PVCLOCK_FIXMAP_BEGIN + idx, - __pa(i) + (idx*PAGE_SIZE), - PAGE_KERNEL_VVAR); - } - - return 0; -} -#endif --- a/arch/x86/vdso/vclock_gettime.c +++ b/arch/x86/vdso/vclock_gettime.c @@ -45,7 +45,6 @@ extern u8 pvclock_page
#include <linux/kernel.h> #include <asm/vsyscall.h> -#include <asm/fixmap.h> #include <asm/pvclock.h>
notrace static long vdso_fallback_gettime(long clock, struct timespec *ts) --- a/arch/x86/vdso/vma.c +++ b/arch/x86/vdso/vma.c @@ -11,6 +11,7 @@ #include <linux/random.h> #include <linux/elf.h> #include <asm/vsyscall.h> +#include <asm/pvclock.h> #include <asm/vgtod.h> #include <asm/proto.h> #include <asm/vdso.h>