Re: [patch 08/18] x86/syscall: Use [syscall_]enter_from_user_mode_randomize_stack()
Philippe Mathieu-Daudé <[email protected]>
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On 7/7/26 21:06, Thomas Gleixner wrote: > 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 <[email protected]> > Cc: [email protected] > --- > arch/x86/entry/syscall_32.c | 19 +++++-------------- > arch/x86/entry/syscall_64.c | 3 +-- > arch/x86/include/asm/entry-common.h | 1 - > 3 files changed, 6 insertions(+), 17 deletions(-) Reviewed-by: Philippe Mathieu-Daudé <[email protected]>