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(parent: e057f1f) | patch
vcsm: Treat EBUSY as success rather than SIGBUS
authorpopcornmix <popcornmix@gmail.com>
Tue, 2 May 2017 15:36:05 +0000 (16:36 +0100)
committerRaspbian kernel package updater <root@raspbian.org>
Sun, 8 Oct 2017 01:08:04 +0000 (01:08 +0000)
commit1c8052772117fde7935b3cefa7000b8f3bdf9040
tree4f1c78add3c77dd69f441f5cdcba213ad0f97b9dtree | snapshot
parente057f1f82469a09461bef688870da3a2b63e0b8dcommit | diff
vcsm: Treat EBUSY as success rather than SIGBUS

Currently if two cores access the same page concurrently one will return VM_FAULT_NOPAGE
and the other VM_FAULT_SIGBUS crashing the user code.

Also report when mapping fails.

Signed-off-by: popcornmix <popcornmix@gmail.com>
drivers/char/broadcom/vc_sm/vmcs_sm.c diff | blob | history
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