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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2017-02-07 11:35:31 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2017-02-09 15:19:57 +1100
commit9b256714979fad61ae11d90b53cf67dd5e6484eb (patch)
tree4e800dc0430b413bb9c3b3f0c68f6099bbe8716a /sound/pci/cs5535audio/cs5535audio.h
parent90c1e3c2fafec57fcb55b5d69bcf293b1a5fc8b3 (diff)
powerpc/powernv: Fix CPU hotplug to handle waking on HVI
The IPIs come in as HVI not EE, so we need to test the appropriate SRR1 bits. The encoding is such that it won't have false positives on P7 and P8 so we can just test it like that. We also need to handle the icp-opal variant of the flush. Fixes: d74361881f0d ("powerpc/xics: Add ICP OPAL backend") Cc: stable@vger.kernel.org # v4.8+ Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'sound/pci/cs5535audio/cs5535audio.h')
0 files changed, 0 insertions, 0 deletions
change takes ucounts_lock with irqs disabled. So dec_ucount can be used from any context without fear of deadlock. The items accounted for dec_ucount and inc_ucount are all comparatively heavy weight objects so I don't exepct this will have any measurable performance impact" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: userns: Make ucounts lock irq-safe
Diffstat (limited to 'sound/firewire/iso-resources.c')