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| author | Thomas Gleixner <tglx@kernel.org> | 2026-07-07 21:06:27 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@kernel.org> | 2026-07-12 12:38:01 +0200 |
| commit | 9d311796e2ce75b3aaded2719a01d7e248c3a24f (patch) | |
| tree | 55a7cb24464820c3774f363f15bf1b053f3c52f1 /tools/perf/scripts/python/flamegraph.py | |
| parent | 05a194d8bd005e0887a1e089bbbbd2e1a641638f (diff) | |
x86/syscall: Use [syscall_]enter_from_user_mode_randomize_stack()
These functions integrate the stack randomization.
syscall_enter_from_user_mode_randomize_stack() has the advantage that the
randomization happens early right after enter_from_user_mode().
In both cases also the overhead of get/put_cpu_var() in
add_random_kstack_offset() is avoided.
No functional change.
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Tested-by: Mukesh Kumar Chaurasiya (IBM) <mkchauras@gmail.com>
Reviewed-by: Radu Rendec <radu@rendec.net>
Reviewed-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
Reviewed-by: Mukesh Kumar Chaurasiya (IBM) <mkchauras@gmail.com>
Link: https://patch.msgid.link/20260707190254.079478122@kernel.org
Diffstat (limited to 'tools/perf/scripts/python/flamegraph.py')
0 files changed, 0 insertions, 0 deletions