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SubjectRe: [PATCH 07/12] tools headers UAPI: Sync sched.h with the kernel
On Mon, Jul 29, 2019 at 06:14:54PM -0300, Arnaldo Carvalho de Melo wrote:
> From: Arnaldo Carvalho de Melo <acme@redhat.com>
>
> To get the changes in:
>
> a509a7cd7974 ("sched/uclamp: Extend sched_setattr() to support utilization clamping")
> 1d6362fa0cfc ("sched/core: Allow sched_setattr() to use the current policy")
> 7f192e3cd316 ("fork: add clone3")
>
> And silence 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
>
> No changes in tools/ due to the above.
>
> Cc: Adrian Hunter <adrian.hunter@intel.com>
> Cc: Christian Brauner <christian@brauner.io>
> Cc: Jiri Olsa <jolsa@kernel.org>
> Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
> Cc: Namhyung Kim <namhyung@kernel.org>
> Cc: Patrick Bellasi <patrick.bellasi@arm.com>
> Link: https://lkml.kernel.org/n/tip-mtrpsjrux5hgyr5uf8l1aa46@git.kernel.org
> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

Thanks!
For the struct clone_args addition:
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>

> ---
> tools/include/uapi/linux/sched.h | 30 +++++++++++++++++++++++++++++-
> 1 file changed, 29 insertions(+), 1 deletion(-)
>
> diff --git a/tools/include/uapi/linux/sched.h b/tools/include/uapi/linux/sched.h
> index ed4ee170bee2..b3105ac1381a 100644
> --- a/tools/include/uapi/linux/sched.h
> +++ b/tools/include/uapi/linux/sched.h
> @@ -2,6 +2,8 @@
> #ifndef _UAPI_LINUX_SCHED_H
> #define _UAPI_LINUX_SCHED_H
>
> +#include <linux/types.h>
> +
> /*
> * cloning flags:
> */
> @@ -31,6 +33,20 @@
> #define CLONE_NEWNET 0x40000000 /* New network namespace */
> #define CLONE_IO 0x80000000 /* Clone io context */
>
> +/*
> + * Arguments for the clone3 syscall
> + */
> +struct clone_args {
> + __aligned_u64 flags;
> + __aligned_u64 pidfd;
> + __aligned_u64 child_tid;
> + __aligned_u64 parent_tid;
> + __aligned_u64 exit_signal;
> + __aligned_u64 stack;
> + __aligned_u64 stack_size;
> + __aligned_u64 tls;
> +};
> +
> /*
> * Scheduling policies
> */
> @@ -51,9 +67,21 @@
> #define SCHED_FLAG_RESET_ON_FORK 0x01
> #define SCHED_FLAG_RECLAIM 0x02
> #define SCHED_FLAG_DL_OVERRUN 0x04
> +#define SCHED_FLAG_KEEP_POLICY 0x08
> +#define SCHED_FLAG_KEEP_PARAMS 0x10
> +#define SCHED_FLAG_UTIL_CLAMP_MIN 0x20
> +#define SCHED_FLAG_UTIL_CLAMP_MAX 0x40
> +
> +#define SCHED_FLAG_KEEP_ALL (SCHED_FLAG_KEEP_POLICY | \
> + SCHED_FLAG_KEEP_PARAMS)
> +
> +#define SCHED_FLAG_UTIL_CLAMP (SCHED_FLAG_UTIL_CLAMP_MIN | \
> + SCHED_FLAG_UTIL_CLAMP_MAX)
>
> #define SCHED_FLAG_ALL (SCHED_FLAG_RESET_ON_FORK | \
> SCHED_FLAG_RECLAIM | \
> - SCHED_FLAG_DL_OVERRUN)
> + SCHED_FLAG_DL_OVERRUN | \
> + SCHED_FLAG_KEEP_ALL | \
> + SCHED_FLAG_UTIL_CLAMP)
>
> #endif /* _UAPI_LINUX_SCHED_H */
> --
> 2.21.0
>

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