Messages in this thread | | | Subject | Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user() | From | Christophe Leroy <> | Date | Tue, 7 Jul 2020 21:02:58 +0200 |
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Le 07/07/2020 à 14:44, Christophe Leroy a écrit : > > > Le 30/06/2020 à 03:19, Michael Ellerman a écrit : >> Michael Ellerman <mpe@ellerman.id.au> writes: >>> Christophe Leroy <christophe.leroy@csgroup.eu> writes: >>>> Hi Michael, >>>> >>>> I see this patch is marked as "defered" in patchwork, but I can't see >>>> any related discussion. Is it normal ? >>> >>> Because it uses the "m<>" constraint which didn't work on GCC 4.6. >>> >>> https://github.com/linuxppc/issues/issues/297 >>> >>> So we should be able to pick it up for v5.9 hopefully. >> >> It seems to break the build with the kernel.org 4.9.4 compiler and >> corenet64_smp_defconfig: > > Most likely a GCC bug ? > > It seems the problem vanishes with patch > https://patchwork.ozlabs.org/project/linuxppc-dev/patch/173de3b659fa3a5f126a0eb170522cccd909950f.1594125164.git.christophe.leroy@csgroup.eu/ >
Same kind of issue in signal_64.c now.
The following patch fixes it: https://patchwork.ozlabs.org/project/linuxppc-dev/patch/810bd8840ef990a200f58c9dea9abe767ca02a3a.1594146723.git.christophe.leroy@csgroup.eu/
Christophe
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