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arm_gicv3_kvm: Fix compile warning 

Fix the following warning:

/home/pranith/qemu/hw/intc/arm_gicv3_kvm.c:296:17: warning: logical not is only applied to the left hand side of this bitwise operator [-Wlogical-not-parentheses]
            if (!c->gicr_ctlr & GICR_CTLR_ENABLE_LPIS) {
                ^             ~
/home/pranith/qemu/hw/intc/arm_gicv3_kvm.c:296:17: note: add parentheses after the '!' to evaluate the bitwise operator first
            if (!c->gicr_ctlr & GICR_CTLR_ENABLE_LPIS) {
                ^
/home/pranith/qemu/hw/intc/arm_gicv3_kvm.c:296:17: note: add parentheses around left hand side expression to silence this warning
            if (!c->gicr_ctlr & GICR_CTLR_ENABLE_LPIS) {
                ^

This logic error meant we were not setting the PTZ
bit when we should -- luckily as the comment suggests
this wouldn't have had any effects beyond making GIC
initialization take a little longer.

Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Message-id: 20170829173226.7625-1-bobby.prani@gmail.com
Cc: qemu-stable@nongnu.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Pranith Kumar 2017-09-04 15:21:56 +01:00 committed by Peter Maydell
parent 3e4d91b94c
commit 7229ec5825
1 changed files with 1 additions and 1 deletions
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2
hw/intc/arm_gicv3_kvm.c
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@ -293,7 +293,7 @@ static void kvm_arm_gicv3_put(GICv3State *s)
kvm_gicr_access(s, GICR_PROPBASER + 4, ncpu, &regh, true);
reg64 = c->gicr_pendbaser;
if (!c->gicr_ctlr & GICR_CTLR_ENABLE_LPIS) {
if (!(c->gicr_ctlr & GICR_CTLR_ENABLE_LPIS)) {
/* Setting PTZ is advised if LPIs are disabled, to reduce
* GIC initialization time.
*/