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authorLen Brown <len.brown@intel.com>2008-10-22 23:57:26 -0400
committerLen Brown <len.brown@intel.com>2008-10-23 00:11:07 -0400
commit057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch)
tree4333e608da237c73ff69b10878025cca96dcb4c8 /drivers/misc/sgi-gru/grukservices.c
parent3e2dab9a1c2deb03c311eb3f83466009147ed4d3 (diff)
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
Merge branch 'linus' into test
Conflicts: MAINTAINERS arch/x86/kernel/acpi/boot.c arch/x86/kernel/acpi/sleep.c drivers/acpi/Kconfig drivers/pnp/Makefile drivers/pnp/quirks.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/misc/sgi-gru/grukservices.c')
-rw-r--r--drivers/misc/sgi-gru/grukservices.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c
index dfd49af0fe1..880c55dfb66 100644
--- a/drivers/misc/sgi-gru/grukservices.c
+++ b/drivers/misc/sgi-gru/grukservices.c
@@ -122,6 +122,7 @@ int gru_get_cb_exception_detail(void *cb,
struct gru_control_block_extended *cbe;
cbe = get_cbe(GRUBASE(cb), get_cb_number(cb));
+ prefetchw(cbe); /* Harmless on hardware, required for emulator */
excdet->opc = cbe->opccpy;
excdet->exopc = cbe->exopccpy;
excdet->ecause = cbe->ecause;
@@ -466,7 +467,7 @@ int gru_send_message_gpa(unsigned long mq, void *mesg, unsigned int bytes)
STAT(mesq_send);
BUG_ON(bytes < sizeof(int) || bytes > 2 * GRU_CACHE_LINE_BYTES);
- clines = (bytes + GRU_CACHE_LINE_BYTES - 1) / GRU_CACHE_LINE_BYTES;
+ clines = DIV_ROUND_UP(bytes, GRU_CACHE_LINE_BYTES);
if (gru_get_cpu_resources(bytes, &cb, &dsr))
return MQE_BUG_NO_RESOURCES;
memcpy(dsr, mesg, bytes);