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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-12-21 08:32:31 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-01-27 22:36:16 +1100 |
| commit | 6edc318585410b9cae5a7e4d156f09c8e5e3a700 (patch) | |
| tree | adf6b6534415ce30492e71c0f2aa95a78ebfab6f /arch/powerpc/kernel/msi.c | |
| parent | 547db12fd8a0ce753c6bafd130827f1755c93fe6 (diff) | |
powerpc/8xx: Use alternative scratch registers in DTLB miss handler
In preparation of handling CONFIG_VMAP_STACK, DTLB miss handler need
to use different scratch registers than other exception handlers in
order to not jeopardise exception entry on stack DTLB misses.
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/c5287ea59ae9630f505019b309bf94029241635f.1576916812.git.christophe.leroy@c-s.fr
Diffstat (limited to 'arch/powerpc/kernel/msi.c')
0 files changed, 0 insertions, 0 deletions