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Message-Id: <20191108210824.1534248-4-arnd@arndb.de>
Date: Fri, 8 Nov 2019 22:07:24 +0100
From: Arnd Bergmann <arnd@...db.de>
To: y2038@...ts.linaro.org, Tony Luck <tony.luck@...el.com>,
Fenghua Yu <fenghua.yu@...el.com>,
Greentime Hu <green.hu@...il.com>,
Vincent Chen <deanbo422@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Jeff Dike <jdike@...toit.com>,
Richard Weinberger <richard@....at>,
Anton Ivanov <anton.ivanov@...bridgegreys.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
x86@...nel.org
Cc: linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
"H. Peter Anvin" <hpa@...or.com>,
Vincenzo Frascino <vincenzo.frascino@....com>,
linux-ia64@...r.kernel.org, sparclinux@...r.kernel.org,
linux-um@...ts.infradead.org
Subject: [PATCH 04/23] y2038: vdso: change timespec to __kernel_old_timespec
In order to remove 'timespec' completely from the kernel, all
internal uses should be converted to a y2038-safe type, while
those that are only for compatibity with existing user space
should be marked appropriately.
Change vdso to use __kernel_old_timespec in order to avoid
the deprecated type and mark these interfaces as outdated.
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
arch/ia64/kernel/asm-offsets.c | 2 +-
arch/nds32/kernel/vdso/gettimeofday.c | 22 +++++++++++-----------
arch/sparc/vdso/vclock_gettime.c | 24 ++++++++++++------------
arch/x86/um/vdso/um_vdso.c | 4 ++--
4 files changed, 26 insertions(+), 26 deletions(-)
diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c
index 00e8e2a1eb19..fb0deb8a4221 100644
--- a/arch/ia64/kernel/asm-offsets.c
+++ b/arch/ia64/kernel/asm-offsets.c
@@ -211,7 +211,7 @@ void foo(void)
offsetof (struct cpuinfo_ia64, ptce_stride));
BLANK();
DEFINE(IA64_TIMESPEC_TV_NSEC_OFFSET,
- offsetof (struct timespec, tv_nsec));
+ offsetof (struct __kernel_old_timespec, tv_nsec));
DEFINE(IA64_TIME_SN_SPEC_SNSEC_OFFSET,
offsetof (struct time_sn_spec, snsec));
diff --git a/arch/nds32/kernel/vdso/gettimeofday.c b/arch/nds32/kernel/vdso/gettimeofday.c
index 1e69fd5b067b..687abc7145f5 100644
--- a/arch/nds32/kernel/vdso/gettimeofday.c
+++ b/arch/nds32/kernel/vdso/gettimeofday.c
@@ -48,9 +48,9 @@ static notrace int vdso_read_retry(const struct vdso_data *vdata, u32 start)
}
static notrace long clock_gettime_fallback(clockid_t _clkid,
- struct timespec *_ts)
+ struct __kernel_old_timespec *_ts)
{
- register struct timespec *ts asm("$r1") = _ts;
+ register struct __kernel_old_timespec *ts asm("$r1") = _ts;
register clockid_t clkid asm("$r0") = _clkid;
register long ret asm("$r0");
@@ -63,7 +63,7 @@ static notrace long clock_gettime_fallback(clockid_t _clkid,
return ret;
}
-static notrace int do_realtime_coarse(struct timespec *ts,
+static notrace int do_realtime_coarse(struct __kernel_old_timespec *ts,
struct vdso_data *vdata)
{
u32 seq;
@@ -78,7 +78,7 @@ static notrace int do_realtime_coarse(struct timespec *ts,
return 0;
}
-static notrace int do_monotonic_coarse(struct timespec *ts,
+static notrace int do_monotonic_coarse(struct __kernel_old_timespec *ts,
struct vdso_data *vdata)
{
struct timespec tomono;
@@ -115,7 +115,7 @@ static notrace inline u64 vgetsns(struct vdso_data *vdso)
return ((u64) cycle_delta & vdso->cs_mask) * vdso->cs_mult;
}
-static notrace int do_realtime(struct timespec *ts, struct vdso_data *vdata)
+static notrace int do_realtime(struct __kernel_old_timespec *ts, struct vdso_data *vdata)
{
unsigned count;
u64 ns;
@@ -133,7 +133,7 @@ static notrace int do_realtime(struct timespec *ts, struct vdso_data *vdata)
return 0;
}
-static notrace int do_monotonic(struct timespec *ts, struct vdso_data *vdata)
+static notrace int do_monotonic(struct __kernel_old_timespec *ts, struct vdso_data *vdata)
{
struct timespec tomono;
u64 nsecs;
@@ -158,7 +158,7 @@ static notrace int do_monotonic(struct timespec *ts, struct vdso_data *vdata)
return 0;
}
-notrace int __vdso_clock_gettime(clockid_t clkid, struct timespec *ts)
+notrace int __vdso_clock_gettime(clockid_t clkid, struct __kernel_old_timespec *ts)
{
struct vdso_data *vdata;
int ret = -1;
@@ -191,10 +191,10 @@ notrace int __vdso_clock_gettime(clockid_t clkid, struct timespec *ts)
}
static notrace int clock_getres_fallback(clockid_t _clk_id,
- struct timespec *_res)
+ struct __kernel_old_timespec *_res)
{
register clockid_t clk_id asm("$r0") = _clk_id;
- register struct timespec *res asm("$r1") = _res;
+ register struct __kernel_old_timespec *res asm("$r1") = _res;
register int ret asm("$r0");
asm volatile ("movi $r15, %3\n"
@@ -206,7 +206,7 @@ static notrace int clock_getres_fallback(clockid_t _clk_id,
return ret;
}
-notrace int __vdso_clock_getres(clockid_t clk_id, struct timespec *res)
+notrace int __vdso_clock_getres(clockid_t clk_id, struct __kernel_old_timespec *res)
{
struct vdso_data *vdata = __get_datapage();
@@ -248,7 +248,7 @@ static notrace inline int gettimeofday_fallback(struct __kernel_old_timeval *_tv
notrace int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz)
{
- struct timespec ts;
+ struct __kernel_old_timespec ts;
struct vdso_data *vdata;
int ret;
diff --git a/arch/sparc/vdso/vclock_gettime.c b/arch/sparc/vdso/vclock_gettime.c
index a20c5030578d..e794edde6755 100644
--- a/arch/sparc/vdso/vclock_gettime.c
+++ b/arch/sparc/vdso/vclock_gettime.c
@@ -63,7 +63,7 @@ notrace static __always_inline struct vvar_data *get_vvar_data(void)
return (struct vvar_data *) ret;
}
-notrace static long vdso_fallback_gettime(long clock, struct timespec *ts)
+notrace static long vdso_fallback_gettime(long clock, struct __kernel_old_timespec *ts)
{
register long num __asm__("g1") = __NR_clock_gettime;
register long o0 __asm__("o0") = clock;
@@ -144,7 +144,7 @@ notrace static __always_inline u64 vgetsns_stick(struct vvar_data *vvar)
}
notrace static __always_inline int do_realtime(struct vvar_data *vvar,
- struct timespec *ts)
+ struct __kernel_old_timespec *ts)
{
unsigned long seq;
u64 ns;
@@ -164,7 +164,7 @@ notrace static __always_inline int do_realtime(struct vvar_data *vvar,
}
notrace static __always_inline int do_realtime_stick(struct vvar_data *vvar,
- struct timespec *ts)
+ struct __kernel_old_timespec *ts)
{
unsigned long seq;
u64 ns;
@@ -184,7 +184,7 @@ notrace static __always_inline int do_realtime_stick(struct vvar_data *vvar,
}
notrace static __always_inline int do_monotonic(struct vvar_data *vvar,
- struct timespec *ts)
+ struct __kernel_old_timespec *ts)
{
unsigned long seq;
u64 ns;
@@ -204,7 +204,7 @@ notrace static __always_inline int do_monotonic(struct vvar_data *vvar,
}
notrace static __always_inline int do_monotonic_stick(struct vvar_data *vvar,
- struct timespec *ts)
+ struct __kernel_old_timespec *ts)
{
unsigned long seq;
u64 ns;
@@ -224,7 +224,7 @@ notrace static __always_inline int do_monotonic_stick(struct vvar_data *vvar,
}
notrace static int do_realtime_coarse(struct vvar_data *vvar,
- struct timespec *ts)
+ struct __kernel_old_timespec *ts)
{
unsigned long seq;
@@ -237,7 +237,7 @@ notrace static int do_realtime_coarse(struct vvar_data *vvar,
}
notrace static int do_monotonic_coarse(struct vvar_data *vvar,
- struct timespec *ts)
+ struct __kernel_old_timespec *ts)
{
unsigned long seq;
@@ -251,7 +251,7 @@ notrace static int do_monotonic_coarse(struct vvar_data *vvar,
}
notrace int
-__vdso_clock_gettime(clockid_t clock, struct timespec *ts)
+__vdso_clock_gettime(clockid_t clock, struct __kernel_old_timespec *ts)
{
struct vvar_data *vvd = get_vvar_data();
@@ -275,11 +275,11 @@ __vdso_clock_gettime(clockid_t clock, struct timespec *ts)
return vdso_fallback_gettime(clock, ts);
}
int
-clock_gettime(clockid_t, struct timespec *)
+clock_gettime(clockid_t, struct __kernel_old_timespec *)
__attribute__((weak, alias("__vdso_clock_gettime")));
notrace int
-__vdso_clock_gettime_stick(clockid_t clock, struct timespec *ts)
+__vdso_clock_gettime_stick(clockid_t clock, struct __kernel_old_timespec *ts)
{
struct vvar_data *vvd = get_vvar_data();
@@ -311,7 +311,7 @@ __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz)
if (likely(vvd->vclock_mode != VCLOCK_NONE)) {
if (likely(tv != NULL)) {
union tstv_t {
- struct timespec ts;
+ struct __kernel_old_timespec ts;
struct __kernel_old_timeval tv;
} *tstv = (union tstv_t *) tv;
do_realtime(vvd, &tstv->ts);
@@ -347,7 +347,7 @@ __vdso_gettimeofday_stick(struct __kernel_old_timeval *tv, struct timezone *tz)
if (likely(vvd->vclock_mode != VCLOCK_NONE)) {
if (likely(tv != NULL)) {
union tstv_t {
- struct timespec ts;
+ struct __kernel_old_timespec ts;
struct __kernel_old_timeval tv;
} *tstv = (union tstv_t *) tv;
do_realtime_stick(vvd, &tstv->ts);
diff --git a/arch/x86/um/vdso/um_vdso.c b/arch/x86/um/vdso/um_vdso.c
index 845336c11364..371724cf70da 100644
--- a/arch/x86/um/vdso/um_vdso.c
+++ b/arch/x86/um/vdso/um_vdso.c
@@ -13,7 +13,7 @@
#include <linux/getcpu.h>
#include <asm/unistd.h>
-int __vdso_clock_gettime(clockid_t clock, struct timespec *ts)
+int __vdso_clock_gettime(clockid_t clock, struct __kernel_old_timespec *ts)
{
long ret;
@@ -22,7 +22,7 @@ int __vdso_clock_gettime(clockid_t clock, struct timespec *ts)
return ret;
}
-int clock_gettime(clockid_t, struct timespec *)
+int clock_gettime(clockid_t, struct __kernel_old_timespec *)
__attribute__((weak, alias("__vdso_clock_gettime")));
int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz)
--
2.20.0
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