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arm64: vdso32: Code clean up

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The compat vdso library had some checks that are not anymore relevant.

Remove the unused code from the compat vDSO library.

Note: This patch is preparatory for a future one that will introduce
asm/vdso/processor.h on arm64.

Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/lkml/20200317122220.30393-19-vincenzo.frascino@arm.com
Link: https://lkml.kernel.org/r/20200320145351.32292-19-vincenzo.frascino@arm.com
This commit is contained in:
Vincenzo Frascino 2020-03-20 14:53:43 +00:00 committed by Thomas Gleixner
parent b558051725
commit 94d0f5be88
2 changed files with 0 additions and 20 deletions
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8
arch/arm64/include/asm/vdso/compat_gettimeofday.h
View File

@ -76,10 +76,6 @@ int clock_getres_fallback(clockid_t _clkid, struct __kernel_timespec *_ts)
register long ret asm ("r0");
register long nr asm("r7") = __NR_compat_clock_getres_time64;
/* The checks below are required for ABI consistency with arm */
if ((_clkid >= MAX_CLOCKS) && (_ts == NULL))
return -EINVAL;
asm volatile(
" swi #0\n"
: "=r" (ret)
@ -97,10 +93,6 @@ int clock_getres32_fallback(clockid_t _clkid, struct old_timespec32 *_ts)
register long ret asm ("r0");
register long nr asm("r7") = __NR_compat_clock_getres;
/* The checks below are required for ABI consistency with arm */
if ((_clkid >= MAX_CLOCKS) && (_ts == NULL))
return -EINVAL;
asm volatile(
" swi #0\n"
: "=r" (ret)

12
arch/arm64/kernel/vdso32/vgettimeofday.c
View File

@ -11,20 +11,12 @@
int __vdso_clock_gettime(clockid_t clock,
struct old_timespec32 *ts)
{
/* The checks below are required for ABI consistency with arm */
if ((u32)ts >= TASK_SIZE_32)
return -EFAULT;
return __cvdso_clock_gettime32(clock, ts);
}
int __vdso_clock_gettime64(clockid_t clock,
struct __kernel_timespec *ts)
{
/* The checks below are required for ABI consistency with arm */
if ((u32)ts >= TASK_SIZE_32)
return -EFAULT;
return __cvdso_clock_gettime(clock, ts);
}
@ -37,10 +29,6 @@ int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
int __vdso_clock_getres(clockid_t clock_id,
struct old_timespec32 *res)
{
/* The checks below are required for ABI consistency with arm */
if ((u32)res >= TASK_SIZE_32)
return -EFAULT;
return __cvdso_clock_getres_time32(clock_id, res);
}