From 706394211648117762edfaeffd6fc04bf3b1a75d Mon Sep 17 00:00:00 2001 From: John Stultz Date: Tue, 4 Sep 2012 15:34:21 -0400 Subject: [PATCH] time: Convert CONFIG_GENERIC_TIME_VSYSCALL to CONFIG_GENERIC_TIME_VSYSCALL_OLD To help migrate archtectures over to the new update_vsyscall method, redfine CONFIG_GENERIC_TIME_VSYSCALL as CONFIG_GENERIC_TIME_VSYSCALL_OLD Cc: Tony Luck Cc: Paul Mackerras Cc: Benjamin Herrenschmidt Cc: Andy Lutomirski Cc: Martin Schwidefsky Cc: Paul Turner Cc: Steven Rostedt Cc: Richard Cochran Cc: Prarit Bhargava Cc: Thomas Gleixner Signed-off-by: John Stultz --- arch/ia64/Kconfig | 2 +- arch/ia64/kernel/time.c | 2 +- arch/powerpc/Kconfig | 2 +- arch/powerpc/kernel/time.c | 2 +- arch/s390/Kconfig | 2 +- arch/s390/kernel/time.c | 2 +- arch/x86/Kconfig | 2 +- arch/x86/kernel/vsyscall_64.c | 2 +- include/linux/timekeeper_internal.h | 7 ++++--- kernel/time/Kconfig | 2 +- kernel/time/timekeeping.c | 2 +- 11 files changed, 14 insertions(+), 13 deletions(-) diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 310cf5781fad..f9e673c252a7 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -38,7 +38,7 @@ config IA64 select ARCH_TASK_STRUCT_ALLOCATOR select ARCH_THREAD_INFO_ALLOCATOR select ARCH_CLOCKSOURCE_DATA - select GENERIC_TIME_VSYSCALL + select GENERIC_TIME_VSYSCALL_OLD default y help The Itanium Processor Family is Intel's 64-bit successor to diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index acb688fe2354..d2f4e260db40 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -454,7 +454,7 @@ void update_vsyscall_tz(void) { } -void update_vsyscall(struct timespec *wall, struct timespec *wtm, +void update_vsyscall_old(struct timespec *wall, struct timespec *wtm, struct clocksource *c, u32 mult) { write_seqcount_begin(&fsyscall_gtod_data.seq); diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 352f416269ce..0881660c9efa 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -135,7 +135,7 @@ config PPC select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_SMP_IDLE_THREAD select GENERIC_CMOS_UPDATE - select GENERIC_TIME_VSYSCALL + select GENERIC_TIME_VSYSCALL_OLD select GENERIC_CLOCKEVENTS select GENERIC_STRNCPY_FROM_USER select GENERIC_STRNLEN_USER diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 613a830d9d50..c825809b92e7 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -712,7 +712,7 @@ static cycle_t timebase_read(struct clocksource *cs) return (cycle_t)get_tb(); } -void update_vsyscall(struct timespec *wall_time, struct timespec *wtm, +void update_vsyscall_old(struct timespec *wall_time, struct timespec *wtm, struct clocksource *clock, u32 mult) { u64 new_tb_to_xs, new_stamp_xsec; diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 107610e01a29..ba488aa500de 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -121,7 +121,7 @@ config S390 select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE select ARCH_WANT_IPC_PARSE_VERSION select GENERIC_SMP_IDLE_THREAD - select GENERIC_TIME_VSYSCALL + select GENERIC_TIME_VSYSCALL_OLD select GENERIC_CLOCKEVENTS select KTIME_SCALAR if 32BIT select HAVE_ARCH_SECCOMP_FILTER diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index bfb62ad312a6..c5430bf5b5e6 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -219,7 +219,7 @@ struct clocksource * __init clocksource_default_clock(void) return &clocksource_tod; } -void update_vsyscall(struct timespec *wall_time, struct timespec *wtm, +void update_vsyscall_old(struct timespec *wall_time, struct timespec *wtm, struct clocksource *clock, u32 mult) { if (clock != &clocksource_tod) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 8ec3a1aa4abd..e3f3c1a5a744 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -93,7 +93,7 @@ config X86 select GENERIC_CLOCKEVENTS select ARCH_CLOCKSOURCE_DATA if X86_64 select GENERIC_CLOCKEVENTS_BROADCAST if X86_64 || (X86_32 && X86_LOCAL_APIC) - select GENERIC_TIME_VSYSCALL if X86_64 + select GENERIC_TIME_VSYSCALL_OLD if X86_64 select KTIME_SCALAR if X86_32 select GENERIC_STRNCPY_FROM_USER select GENERIC_STRNLEN_USER diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index 6ec8411a4710..77dde2953c64 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -82,7 +82,7 @@ void update_vsyscall_tz(void) vsyscall_gtod_data.sys_tz = sys_tz; } -void update_vsyscall(struct timespec *wall_time, struct timespec *wtm, +void update_vsyscall_old(struct timespec *wall_time, struct timespec *wtm, struct clocksource *clock, u32 mult) { struct timespec monotonic; diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h index 9c1c2cf413a6..a904d76a5faa 100644 --- a/include/linux/timekeeper_internal.h +++ b/include/linux/timekeeper_internal.h @@ -67,13 +67,14 @@ struct timekeeper { }; -#ifdef CONFIG_GENERIC_TIME_VSYSCALL +#ifdef CONFIG_GENERIC_TIME_VSYSCALL_OLD extern void -update_vsyscall(struct timespec *ts, struct timespec *wtm, +update_vsyscall_old(struct timespec *ts, struct timespec *wtm, struct clocksource *c, u32 mult); extern void update_vsyscall_tz(void); #else -static inline void update_vsyscall(struct timespec *ts, struct timespec *wtm, +static inline void +update_vsyscall_old(struct timespec *ts, struct timespec *wtm, struct clocksource *c, u32 mult) { } diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig index fd42bd452b75..489c86154d1f 100644 --- a/kernel/time/Kconfig +++ b/kernel/time/Kconfig @@ -13,7 +13,7 @@ config ARCH_CLOCKSOURCE_DATA bool # Timekeeping vsyscall support -config GENERIC_TIME_VSYSCALL +config GENERIC_TIME_VSYSCALL_OLD bool # ktime_t scalar 64bit nsec representation diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 02c19d3d8e0d..7c2851384c46 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -199,7 +199,7 @@ static void timekeeping_update(struct timekeeper *tk, bool clearntp) ntp_clear(); } xt = tk_xtime(tk); - update_vsyscall(&xt, &tk->wall_to_monotonic, tk->clock, tk->mult); + update_vsyscall_old(&xt, &tk->wall_to_monotonic, tk->clock, tk->mult); } /**