mirror of
https://github.com/torvalds/linux.git
synced 2026-04-27 02:52:27 -04:00
bec06cd6a1
For consistency with __vdso_clock_gettime64() there should also be a 64-bit variant of clock_getres(). This will allow the extension of CONFIG_COMPAT_32BIT_TIME to the vDSO and finally the removal of 32-bit time types from the kernel and UAPI. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@kernel.org> Link: https://patch.msgid.link/20251223-vdso-compat-time32-v1-9-97ea7a06a543@linutronix.de
85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* MIPS64 and compat userspace implementations of gettimeofday()
|
|
* and similar.
|
|
*
|
|
* Copyright (C) 2015 Imagination Technologies
|
|
* Copyright (C) 2018 ARM Limited
|
|
*
|
|
*/
|
|
#include <linux/time.h>
|
|
#include <linux/types.h>
|
|
#include <vdso/gettime.h>
|
|
|
|
#if _MIPS_SIM != _MIPS_SIM_ABI64
|
|
int __vdso_clock_gettime(clockid_t clock,
|
|
struct old_timespec32 *ts)
|
|
{
|
|
return __cvdso_clock_gettime32(clock, ts);
|
|
}
|
|
|
|
#ifdef CONFIG_MIPS_CLOCK_VSYSCALL
|
|
|
|
/*
|
|
* This is behind the ifdef so that we don't provide the symbol when there's no
|
|
* possibility of there being a usable clocksource, because there's nothing we
|
|
* can do without it. When libc fails the symbol lookup it should fall back on
|
|
* the standard syscall path.
|
|
*/
|
|
int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
|
|
struct timezone *tz)
|
|
{
|
|
return __cvdso_gettimeofday(tv, tz);
|
|
}
|
|
|
|
#endif /* CONFIG_MIPS_CLOCK_VSYSCALL */
|
|
|
|
int __vdso_clock_getres(clockid_t clock_id,
|
|
struct old_timespec32 *res)
|
|
{
|
|
return __cvdso_clock_getres_time32(clock_id, res);
|
|
}
|
|
|
|
int __vdso_clock_gettime64(clockid_t clock,
|
|
struct __kernel_timespec *ts)
|
|
{
|
|
return __cvdso_clock_gettime(clock, ts);
|
|
}
|
|
|
|
int __vdso_clock_getres_time64(clockid_t clock, struct __kernel_timespec *ts)
|
|
{
|
|
return __cvdso_clock_getres(clock, ts);
|
|
}
|
|
|
|
#else
|
|
|
|
int __vdso_clock_gettime(clockid_t clock,
|
|
struct __kernel_timespec *ts)
|
|
{
|
|
return __cvdso_clock_gettime(clock, ts);
|
|
}
|
|
|
|
#ifdef CONFIG_MIPS_CLOCK_VSYSCALL
|
|
|
|
/*
|
|
* This is behind the ifdef so that we don't provide the symbol when there's no
|
|
* possibility of there being a usable clocksource, because there's nothing we
|
|
* can do without it. When libc fails the symbol lookup it should fall back on
|
|
* the standard syscall path.
|
|
*/
|
|
int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
|
|
struct timezone *tz)
|
|
{
|
|
return __cvdso_gettimeofday(tv, tz);
|
|
}
|
|
|
|
#endif /* CONFIG_MIPS_CLOCK_VSYSCALL */
|
|
|
|
int __vdso_clock_getres(clockid_t clock_id,
|
|
struct __kernel_timespec *res)
|
|
{
|
|
return __cvdso_clock_getres(clock_id, res);
|
|
}
|
|
|
|
#endif
|