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The cache parameter of getcpu() is useless nowadays for various reasons. * It is never passed by userspace for either the vDSO or syscalls. * It is never used by the kernel. * It could not be made to work on the current vDSO architecture. * The structure definition is not part of the UAPI headers. * vdso_getcpu() is superseded by restartable sequences in any case. Remove the struct and its header. As a side-effect this gets rid of an unwanted inclusion of the linux/ header namespace from vDSO code. [ tglx: Adapt to s390 upstream changes */ Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@kernel.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Heiko Carstens <hca@linux.ibm.com> # s390 Link: https://patch.msgid.link/20251230-getcpu_cache-v3-1-fb9c5f880ebe@linutronix.de
14 lines
612 B
C
14 lines
612 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ARCH_S390_KERNEL_VDSO_VDSO_H
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#define __ARCH_S390_KERNEL_VDSO_VDSO_H
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#include <vdso/datapage.h>
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int __s390_vdso_getcpu(unsigned *cpu, unsigned *node, void *unused);
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int __s390_vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
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int __s390_vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts);
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int __s390_vdso_clock_getres(clockid_t clock, struct __kernel_timespec *ts);
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ssize_t __kernel_getrandom(void *buffer, size_t len, unsigned int flags, void *opaque_state, size_t opaque_len);
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#endif /* __ARCH_S390_KERNEL_VDSO_VDSO_H */
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