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| author | Takashi Iwai <tiwai@suse.de> | 2014-02-25 12:12:17 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-02-25 12:12:17 +0100 |
| commit | d01a838c86b60fdce4fbc9e51d5d14d6cfe0a902 (patch) | |
| tree | 4fe17a547c8c4e403c18cdc6a6c5e30c6f437bc9 /lib | |
| parent | bf68665d7a5647591258c120382fd64465db7d63 (diff) | |
| parent | 37c367ecdb9a01c9acc980e6e17913570a1788a7 (diff) | |
| download | linux-d01a838c86b60fdce4fbc9e51d5d14d6cfe0a902.tar.bz2 | |
Merge branch 'for-linus' into HEAD
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 2 | ||||
| -rw-r--r-- | lib/Makefile | 1 | ||||
| -rw-r--r-- | lib/percpu_ida.c | 7 |
3 files changed, 4 insertions, 6 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index dbf94a7d25a8..a48abeac753f 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -119,7 +119,7 @@ menu "Compile-time checks and compiler options" config DEBUG_INFO bool "Compile the kernel with debug info" - depends on DEBUG_KERNEL + depends on DEBUG_KERNEL && !COMPILE_TEST help If you say Y here the resulting kernel image will include debugging info resulting in a larger kernel image. diff --git a/lib/Makefile b/lib/Makefile index 126b34f2eb16..48140e3ba73f 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -45,6 +45,7 @@ obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o +GCOV_PROFILE_hweight.o := n CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS)) obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o diff --git a/lib/percpu_ida.c b/lib/percpu_ida.c index 7be235f1a70b..93d145e5539c 100644 --- a/lib/percpu_ida.c +++ b/lib/percpu_ida.c @@ -54,9 +54,7 @@ static inline void move_tags(unsigned *dst, unsigned *dst_nr, /* * Try to steal tags from a remote cpu's percpu freelist. * - * We first check how many percpu freelists have tags - we don't steal tags - * unless enough percpu freelists have tags on them that it's possible more than - * half the total tags could be stuck on remote percpu freelists. + * We first check how many percpu freelists have tags * * Then we iterate through the cpus until we find some tags - we don't attempt * to find the "best" cpu to steal from, to keep cacheline bouncing to a @@ -69,8 +67,7 @@ static inline void steal_tags(struct percpu_ida *pool, struct percpu_ida_cpu *remote; for (cpus_have_tags = cpumask_weight(&pool->cpus_have_tags); - cpus_have_tags * pool->percpu_max_size > pool->nr_tags / 2; - cpus_have_tags--) { + cpus_have_tags; cpus_have_tags--) { cpu = cpumask_next(cpu, &pool->cpus_have_tags); if (cpu >= nr_cpu_ids) { |