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powerpc/spufs: use timespec64 for timestamps

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The switch log prints the tv_sec portion of timespec as a 32-bit
number, while overflows in 2106. It also uses the timespec type,
which is safe on 64-bit architectures, but deprecated because
it causes overflows in 2038 elsewhere.

This changes it to timespec64 and printing a 64-bit number for
consistency.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Arnd Bergmann 2018-01-16 18:00:35 +01:00 committed by Michael Ellerman
parent 11ed8c5569
commit cef37ac119
2 changed files with 4 additions and 4 deletions
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6
arch/powerpc/platforms/cell/spufs/file.c
View File

@ -2375,8 +2375,8 @@ static int switch_log_sprint(struct spu_context *ctx, char *tbuf, int n)
p = ctx->switch_log->log + ctx->switch_log->tail % SWITCH_LOG_BUFSIZE;
return snprintf(tbuf, n, "%u.%09u %d %u %u %llu\n",
(unsigned int) p->tstamp.tv_sec,
return snprintf(tbuf, n, "%llu.%09u %d %u %u %llu\n",
(unsigned long long) p->tstamp.tv_sec,
(unsigned int) p->tstamp.tv_nsec,
p->spu_id,
(unsigned int) p->type,
@ -2499,7 +2499,7 @@ void spu_switch_log_notify(struct spu *spu, struct spu_context *ctx,
struct switch_log_entry *p;
p = ctx->switch_log->log + ctx->switch_log->head;
ktime_get_ts(&p->tstamp);
ktime_get_ts64(&p->tstamp);
p->timebase = get_tb();
p->spu_id = spu ? spu->number : -1;
p->type = type;

2
arch/powerpc/platforms/cell/spufs/spufs.h
View File

@ -69,7 +69,7 @@ struct switch_log {
unsigned long head;
unsigned long tail;
struct switch_log_entry {
struct timespec tstamp;
struct timespec64 tstamp;
s32 spu_id;
u32 type;
u32 val;