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Date: Wed, 9 Sep 2020 23:27:40 +1000 (AEST) From: Michael Ellerman <patch-notifications@...erman.id.au> To: Christophe Leroy <christophe.leroy@...roup.eu>, Michael Ellerman <mpe@...erman.id.au>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Paul Mackerras <paulus@...ba.org> Cc: linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v3 1/2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user() 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
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