The following commit has been merged into the perf/urgent branch of tip: Commit-ID: 5eca1379c0eb06e3908179665230a86d19bd2df7 Gitweb: https://git.kernel.org/tip/5eca1379c0eb06e3908179665230a86d19bd2df7 Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> AuthorDate: Tue, 15 Oct 2019 12:44:00 -03:00 Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> CommitterDate: Tue, 15 Oct 2019 12:44:00 -03:00 tools headers UAPI: Sync sched.h with the kernel To get the changes in: 78f6face5af3 ("sched: add kernel-doc for struct clone_args") f14c234b4bc5 ("clone3: switch to copy_struct_from_user()") This file gets rebuilt, but no changes ensues: CC /tmp/build/perf/trace/beauty/clone.o This addresses this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/sched.h' differs from latest version at 'include/uapi/linux/sched.h' diff -u tools/include/uapi/linux/sched.h include/uapi/linux/sched.h Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx> Cc: Aleksa Sarai <cyphar@xxxxxxxxxx> Cc: Christian Brauner <christian.brauner@xxxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Link: https://lkml.kernel.org/n/tip-xqruu8wohwlbc57udg1g0xzx@xxxxxxxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> --- tools/include/uapi/linux/sched.h | 30 ++++++++++++++++++++++++++++-- 1 file changed, 28 insertions(+), 2 deletions(-) diff --git a/tools/include/uapi/linux/sched.h b/tools/include/uapi/linux/sched.h index b3105ac..99335e1 100644 --- a/tools/include/uapi/linux/sched.h +++ b/tools/include/uapi/linux/sched.h @@ -33,8 +33,31 @@ #define CLONE_NEWNET 0x40000000 /* New network namespace */ #define CLONE_IO 0x80000000 /* Clone io context */ -/* - * Arguments for the clone3 syscall +#ifndef __ASSEMBLY__ +/** + * struct clone_args - arguments for the clone3 syscall + * @flags: Flags for the new process as listed above. + * All flags are valid except for CSIGNAL and + * CLONE_DETACHED. + * @pidfd: If CLONE_PIDFD is set, a pidfd will be + * returned in this argument. + * @child_tid: If CLONE_CHILD_SETTID is set, the TID of the + * child process will be returned in the child's + * memory. + * @parent_tid: If CLONE_PARENT_SETTID is set, the TID of + * the child process will be returned in the + * parent's memory. + * @exit_signal: The exit_signal the parent process will be + * sent when the child exits. + * @stack: Specify the location of the stack for the + * child process. + * @stack_size: The size of the stack for the child process. + * @tls: If CLONE_SETTLS is set, the tls descriptor + * is set to tls. + * + * The structure is versioned by size and thus extensible. + * New struct members must go at the end of the struct and + * must be properly 64bit aligned. */ struct clone_args { __aligned_u64 flags; @@ -46,6 +69,9 @@ struct clone_args { __aligned_u64 stack_size; __aligned_u64 tls; }; +#endif + +#define CLONE_ARGS_SIZE_VER0 64 /* sizeof first published struct */ /* * Scheduling policies
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