From bdab18633a302c82b5e5d5dbc4e38b0baf9c0837 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 20 Sep 2026 08:15:23 -0700 Subject: Merge tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull futex fix from Ingo Molnar: - Also allocate a default private futex hash on vfork() as well, to avoid races with (private) futex waiters (Peter Zijlstra) * tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: futex: Also allocate private hash on vfork() --- include/asm-generic/ioctl.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 include/asm-generic/ioctl.h (limited to 'include/asm-generic/ioctl.h') diff --git a/include/asm-generic/ioctl.h b/include/asm-generic/ioctl.h new file mode 100644 index 000000000..9fda9ed00 --- /dev/null +++ b/include/asm-generic/ioctl.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_GENERIC_IOCTL_H +#define _ASM_GENERIC_IOCTL_H + +#include + +#ifdef __CHECKER__ +#define _IOC_TYPECHECK(t) (sizeof(t)) +#else +/* provoke compile error for invalid uses of size argument */ +extern unsigned int __invalid_size_argument_for_IOC; +#define _IOC_TYPECHECK(t) \ + ((sizeof(t) == sizeof(t[1]) && \ + sizeof(t) < (1 << _IOC_SIZEBITS)) ? \ + sizeof(t) : __invalid_size_argument_for_IOC) +#endif + +#endif /* _ASM_GENERIC_IOCTL_H */ -- cgit v1.3.1