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(parent: 1f1c4d0) | patch
powerpc/32: save DEAR/DAR before calling handle_page_fault
authorChristophe Leroy <christophe.leroy@c-s.fr>
Sat, 21 Dec 2019 08:32:24 +0000 (08:32 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Sun, 26 Jan 2020 11:15:09 +0000 (22:15 +1100)
commit1ca9db5b6556c38aacac4c50a617aa3f7efbb306
treee30f1cceb941cbe5688530fecbdc3eb92b65a704tree | snapshot
parent1f1c4d0122eebd204468684f21f0270ea8a4999dcommit | diff
powerpc/32: save DEAR/DAR before calling handle_page_fault

handle_page_fault() is the only function that save DAR/DEAR itself.

Save DAR/DEAR before calling handle_page_fault() to prepare for
VMAP stack which will require to save even before.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/3a4d58d378091086f00fde42b59610c80289e120.1576916812.git.christophe.leroy@c-s.fr
arch/powerpc/kernel/entry_32.S diff | blob | history
arch/powerpc/kernel/head_32.S diff | blob | history
arch/powerpc/kernel/head_40x.S diff | blob | history
arch/powerpc/kernel/head_8xx.S diff | blob | history
arch/powerpc/kernel/head_booke.h diff | blob | history
arch/powerpc/kernel/head_fsl_booke.S diff | blob | history
Domain: System / Kernel;