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powerpc/8xx: CONFIG_DEBUG_PAGEALLOC requires ITLBmiss for kernel addresses
authorChristophe Leroy <christophe.leroy@c-s.fr>
Wed, 3 Feb 2016 22:34:21 +0000 (23:34 +0100)
committerScott Wood <oss@buserror.net>
Wed, 9 Mar 2016 16:44:17 +0000 (10:44 -0600)
commit921fff351c3a7d2895f22d4a7a36b2f667709b9c
treec2065fdb41a6fba6ca686bc4a34bf6e12f476302tree | snapshot (tar.gz zip)
parent501ea76687ef16a88a96cc9848e5d760f1c68e4ecommit | diff
powerpc/8xx: CONFIG_DEBUG_PAGEALLOC requires ITLBmiss for kernel addresses

When CONFIG_DEBUG_PAGEALLOC is activated, the initial TLB mapping gets
flushed to track accesses to wrong areas. Therefore, kernel addresses
will also generate ITLB misses.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Scott Wood <oss@buserror.net>
arch/powerpc/kernel/head_8xx.S diff | blob | blame | history