| commit | 6edc318585410b9cae5a7e4d156f09c8e5e3a700 | [log] [tgz] |
|---|---|---|
| author | Christophe Leroy <christophe.leroy@c-s.fr> | Sat Dec 21 08:32:31 2019 +0000 |
| committer | Michael Ellerman <mpe@ellerman.id.au> | Mon Jan 27 22:36:16 2020 +1100 |
| tree | adf6b6534415ce30492e71c0f2aa95a78ebfab6f | |
| 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