Messages in this thread | | | Subject | Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user() | From | Christophe Leroy <> | Date | Wed, 8 Jul 2020 06:49:22 +0200 |
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Le 07/07/2020 à 21:02, Christophe Leroy a écrit : > > > 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/ > >
This time I confirm, with the two above mentioned patches, it builds OK with 4.9, see http://kisskb.ellerman.id.au/kisskb/head/810bd8840ef990a200f58c9dea9abe767ca02a3a/
Christophe
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