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(parent: 5e55503) | patch
parisc: Avoid calling SMP cache flush functions on cache-less machines
authorHelge Deller <deller@gmx.de>
Sat, 12 Mar 2022 20:03:33 +0000 (21:03 +0100)
committerHelge Deller <deller@gmx.de>
Wed, 16 Mar 2022 21:52:12 +0000 (22:52 +0100)
commit53292a263ba627403b33096447e18159d1429ea5
treef89b8c14334669e759965382cf3f43005199e978tree | snapshot
parent5e555034b3555133afb7b8683af137465b3c1a3acommit | diff
parisc: Avoid calling SMP cache flush functions on cache-less machines

At least the qemu virtual machine does not provide D- and I-caches,
so skip triggering SMP irqs to flush caches on such machines.

Further optimize the caching code by using static branches and making
some functions static.

Signed-off-by: Helge Deller <deller@gmx.de>
arch/parisc/include/asm/cacheflush.h diff | blob | history
arch/parisc/kernel/alternative.c diff | blob | history
arch/parisc/kernel/cache.c diff | blob | history
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