Re: [PATCH v3 1/2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()
From: Michael Ellerman <hidden>
Date: 2020-09-09 16:28:23
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On Wed, 12 Aug 2020 12:25:16 +0000 (UTC), Christophe Leroy wrote:
At the time being, __put_user()/__get_user() and friends only use D-form addressing, with 0 offset. Ex: lwz reg1, 0(reg2) Give the compiler the opportunity to use other adressing modes whenever possible, to get more optimised code. [...]
Applied to powerpc/next.
[1/2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()
https://git.kernel.org/powerpc/c/c20beffeec3cb6f6f52d9aef27f91a3f453a91f4
[2/2] powerpc/uaccess: Add pre-update addressing to __get_user_asm() and __put_user_asm()
https://git.kernel.org/powerpc/c/2f279eeb68b8eda43a95255db701b4faaeedbe0f
cheers