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b205656daf
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. The generic vDSO library already provides nearly all necessary building blocks for architectures to provide this function. Only a prototype is missing. Add the prototype to the generic header so architectures can start providing this function. Suggested-by: Arnd Bergmann <arnd@arndb.de> 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-v1-1-97ea7a06a543@linutronix.de
26 lines
863 B
C
26 lines
863 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _VDSO_GETTIME_H
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#define _VDSO_GETTIME_H
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#include <linux/types.h>
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struct __kernel_timespec;
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struct __kernel_old_timeval;
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struct timezone;
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#if !defined(CONFIG_64BIT) || defined(BUILD_VDSO32_64)
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struct old_timespec32;
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int __vdso_clock_getres(clockid_t clock, struct old_timespec32 *res);
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int __vdso_clock_gettime(clockid_t clock, struct old_timespec32 *ts);
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#else
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int __vdso_clock_getres(clockid_t clock, struct __kernel_timespec *res);
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int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts);
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#endif
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__kernel_old_time_t __vdso_time(__kernel_old_time_t *t);
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int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
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int __vdso_clock_gettime64(clockid_t clock, struct __kernel_timespec *ts);
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int __vdso_clock_getres_time64(clockid_t clock, struct __kernel_timespec *ts);
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#endif
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