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 <m...@ellerman.id.au> writes:
Christophe Leroy <christophe.le...@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.


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

Most likely a GCC bug ?

It seems the problem vanishes with patch https://patchwork.ozlabs.org/project/linuxppc-dev/patch/173de3b659fa3a5f126a0eb170522cccd909950f.1594125164.git.christophe.le...@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.le...@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/


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