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| author | David S. Miller | 2005-08-29 21:46:22 +0200 |
|---|---|---|
| committer | David S. Miller | 2005-08-29 21:46:22 +0200 |
| commit | 4f07118f656c179740cad35b827032e2e29b1210 (patch) | |
| tree | 7ddeb17346fe25ae75aa5373659c053afb9ef5f5 /arch/sparc64/lib/Makefile | |
| parent | [SPARC64]: Make debugging spinlocks usable again. (diff) | |
| download | kernel-qcow2-linux-4f07118f656c179740cad35b827032e2e29b1210.tar.gz kernel-qcow2-linux-4f07118f656c179740cad35b827032e2e29b1210.tar.xz kernel-qcow2-linux-4f07118f656c179740cad35b827032e2e29b1210.zip | |
[SPARC64]: More fully work around Spitfire Errata 51.
It appears that a memory barrier soon after a mispredicted
branch, not just in the delay slot, can cause the hang
condition of this cpu errata.
So move them out-of-line, and explicitly put them into
a "branch always, predict taken" delay slot which should
fully kill this problem.
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 40dbeec7e5d6..6201f1040982 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 + mcount.o ipcsum.o rwsem.o xor.o find_bit.o delay.o mb.o lib-$(CONFIG_DEBUG_SPINLOCK) += debuglocks.o lib-$(CONFIG_HAVE_DEC_LOCK) += dec_and_lock.o |