[RFC PATCH v1 8/9] arm64: Add unsafe_copy_from_user()

Will Deacon will at kernel.org
Wed Apr 29 04:26:30 PDT 2026


[+Catalin]

On Mon, Apr 27, 2026 at 07:13:49PM +0200, Christophe Leroy (CS GROUP) wrote:
> At the time being, x86 and arm64 are missing unsafe_copy_from_user().
> 
> Add it.
> 
> Signed-off-by: Christophe Leroy (CS GROUP) <chleroy at kernel.org>
> ---
>  arch/arm64/include/asm/uaccess.h | 29 ++++++++++++++++++++++++-----
>  1 file changed, 24 insertions(+), 5 deletions(-)

Why?

And please cc the arm64 maintainers on arm64 patches next time. You've
managed to cc most of the world apart from us.

Will



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