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authorDave Martin <Dave.Martin@arm.com>2018-04-12 17:32:35 +0100
committerMarc Zyngier <marc.zyngier@arm.com>2018-05-25 12:28:29 +0100
commit9a6e594869b29ccec4f99db83c071e4f2dbfc11f (patch)
tree49b80089a1074ee487be3f88326ce46f77c9cccf /virt
parent2cf97d46dafbbbbc9a9a3dc5eca01020c6be22d8 (diff)
arm64/sve: Move sve_pffr() to fpsimd.h and make inline
In order to make sve_save_state()/sve_load_state() more easily reusable and to get rid of a potential branch on context switch critical paths, this patch makes sve_pffr() inline and moves it to fpsimd.h. <asm/processor.h> must be included in fpsimd.h in order to make this work, and this creates an #include cycle that is tricky to avoid without modifying core code, due to the way the PR_SVE_*() prctl helpers are included in the core prctl implementation. Instead of breaking the cycle, this patch defers inclusion of <asm/fpsimd.h> in <asm/processor.h> until the point where it is actually needed: i.e., immediately before the prctl definitions. No functional change. Signed-off-by: Dave Martin <Dave.Martin@arm.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'virt')
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