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| author |   David S. Miller <davem@davemloft.net> | 2005-09-08 14:37:53 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-09-08 14:37:53 -0700 |
| commit | 4d803fcdcd97dd346d4b39c3b76e5879cead8a31 (patch) | |
| tree | f30c8caa998261fc0983121021184f0f6cc555b4 /arch/sparc64/lib/Makefile | |
| parent | Merge branch 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev (diff) | |
| download | linux-dev-4d803fcdcd97dd346d4b39c3b76e5879cead8a31.tar.xz linux-dev-4d803fcdcd97dd346d4b39c3b76e5879cead8a31.zip | |
[SPARC64]: Inline membar()'s again.
Since GCC has to emit a call and a delay slot to the
out-of-line "membar" routines in arch/sparc64/lib/mb.S
it is much better to just do the necessary predicted
branch inline instead as:
ba,pt %xcc, 1f
membar #whatever
1:
instead of the current:
call membar_foo
dslot
because this way GCC is not required to allocate a stack
frame if the function can be a leaf function.
This also makes this bug fix easier to backport to 2.4.x
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/lib/Makefile')
| -rw-r--r-- | arch/sparc64/lib/Makefile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sparc64/lib/Makefile b/arch/sparc64/lib/Makefile index 6201f1040982..40dbeec7e5d6 100644 --- a/arch/sparc64/lib/Makefile +++ b/arch/sparc64/lib/Makefile @@ -12,7 +12,7 @@ lib-y := PeeCeeI.o copy_page.o clear_page.o strlen.o strncmp.o \ U1memcpy.o U1copy_from_user.o U1copy_to_user.o \ U3memcpy.o U3copy_from_user.o U3copy_to_user.o U3patch.o \ copy_in_user.o user_fixup.o memmove.o \ - mcount.o ipcsum.o rwsem.o xor.o find_bit.o delay.o mb.o + mcount.o ipcsum.o rwsem.o xor.o find_bit.o delay.o lib-$(CONFIG_DEBUG_SPINLOCK) += debuglocks.o lib-$(CONFIG_HAVE_DEC_LOCK) += dec_and_lock.o |