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author | Ingo Molnar <mingo@kernel.org> | 2015-02-26 12:24:50 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2015-02-26 12:24:50 +0100 |
commit | e9e4e44309f866b115d08ab4a54834008c50a8a4 (patch) | |
tree | ae9f91e682a4d6592ef263f30a4a0b1a862b7987 /arch/arm/mm/context.c | |
parent | Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/... (diff) | |
parent | Linux 4.0-rc1 (diff) | |
download | linux-e9e4e44309f866b115d08ab4a54834008c50a8a4.tar.xz linux-e9e4e44309f866b115d08ab4a54834008c50a8a4.zip |
Merge tag 'v4.0-rc1' into perf/core, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/mm/context.c')
-rw-r--r-- | arch/arm/mm/context.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c index 91892569710f..845769e41332 100644 --- a/arch/arm/mm/context.c +++ b/arch/arm/mm/context.c @@ -144,21 +144,17 @@ static void flush_context(unsigned int cpu) /* Update the list of reserved ASIDs and the ASID bitmap. */ bitmap_clear(asid_map, 0, NUM_USER_ASIDS); for_each_possible_cpu(i) { - if (i == cpu) { - asid = 0; - } else { - asid = atomic64_xchg(&per_cpu(active_asids, i), 0); - /* - * If this CPU has already been through a - * rollover, but hasn't run another task in - * the meantime, we must preserve its reserved - * ASID, as this is the only trace we have of - * the process it is still running. - */ - if (asid == 0) - asid = per_cpu(reserved_asids, i); - __set_bit(asid & ~ASID_MASK, asid_map); - } + asid = atomic64_xchg(&per_cpu(active_asids, i), 0); + /* + * If this CPU has already been through a + * rollover, but hasn't run another task in + * the meantime, we must preserve its reserved + * ASID, as this is the only trace we have of + * the process it is still running. + */ + if (asid == 0) + asid = per_cpu(reserved_asids, i); + __set_bit(asid & ~ASID_MASK, asid_map); per_cpu(reserved_asids, i) = asid; } |