* [Qemu-devel] [PATCH 1/1] apic_common: improve readability of apic_reset_common
@ 2015-04-07 13:53 Denis V. Lunev
2015-04-07 14:00 ` Paolo Bonzini
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: Denis V. Lunev @ 2015-04-07 13:53 UTC (permalink / raw)
Cc: Denis V. Lunev, Paolo Bonzini, qemu-devel, Andreas Färber
Replace call of cpu_is_bsp(s->cpu) which really returns
!!(s->apicbase & MSR_IA32_APICBASE_BSP)
with directly collected value. Due to this the tracepoint
trace_cpu_get_apic_base((uint64_t)s->apicbase);
will not be hit anymore in apic_reset_common.
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Andreas Färber <afaerber@suse.de>
CC: Paolo Bonzini <pbonzini@redhat.com>
---
hw/intc/apic_common.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
index 042e960..7a0c7e2 100644
--- a/hw/intc/apic_common.c
+++ b/hw/intc/apic_common.c
@@ -233,11 +233,10 @@ static void apic_reset_common(DeviceState *dev)
{
APICCommonState *s = APIC_COMMON(dev);
APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
- bool bsp;
+ uint32_t bsp;
- bsp = cpu_is_bsp(s->cpu);
- s->apicbase = APIC_DEFAULT_ADDRESS |
- (bsp ? MSR_IA32_APICBASE_BSP : 0) | MSR_IA32_APICBASE_ENABLE;
+ bsp = s->apicbase & MSR_IA32_APICBASE_BSP;
+ s->apicbase = APIC_DEFAULT_ADDRESS | bsp | MSR_IA32_APICBASE_ENABLE;
s->vapic_paddr = 0;
info->vapic_base_update(s);
--
1.9.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [Qemu-devel] [PATCH 1/1] apic_common: improve readability of apic_reset_common
2015-04-07 13:53 [Qemu-devel] [PATCH 1/1] apic_common: improve readability of apic_reset_common Denis V. Lunev
@ 2015-04-07 14:00 ` Paolo Bonzini
2015-04-28 5:38 ` Denis V. Lunev
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Paolo Bonzini @ 2015-04-07 14:00 UTC (permalink / raw)
To: Denis V. Lunev; +Cc: qemu-devel, Andreas Färber
On 07/04/2015 15:53, Denis V. Lunev wrote:
> Replace call of cpu_is_bsp(s->cpu) which really returns
> !!(s->apicbase & MSR_IA32_APICBASE_BSP)
> with directly collected value. Due to this the tracepoint
> trace_cpu_get_apic_base((uint64_t)s->apicbase);
> will not be hit anymore in apic_reset_common.
>
> Signed-off-by: Denis V. Lunev <den@openvz.org>
> CC: Andreas Färber <afaerber@suse.de>
> CC: Paolo Bonzini <pbonzini@redhat.com>
> ---
> hw/intc/apic_common.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
> index 042e960..7a0c7e2 100644
> --- a/hw/intc/apic_common.c
> +++ b/hw/intc/apic_common.c
> @@ -233,11 +233,10 @@ static void apic_reset_common(DeviceState *dev)
> {
> APICCommonState *s = APIC_COMMON(dev);
> APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
> - bool bsp;
> + uint32_t bsp;
>
> - bsp = cpu_is_bsp(s->cpu);
> - s->apicbase = APIC_DEFAULT_ADDRESS |
> - (bsp ? MSR_IA32_APICBASE_BSP : 0) | MSR_IA32_APICBASE_ENABLE;
> + bsp = s->apicbase & MSR_IA32_APICBASE_BSP;
> + s->apicbase = APIC_DEFAULT_ADDRESS | bsp | MSR_IA32_APICBASE_ENABLE;
>
> s->vapic_paddr = 0;
> info->vapic_base_update(s);
>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Qemu-devel] [PATCH 1/1] apic_common: improve readability of apic_reset_common
2015-04-07 13:53 [Qemu-devel] [PATCH 1/1] apic_common: improve readability of apic_reset_common Denis V. Lunev
2015-04-07 14:00 ` Paolo Bonzini
@ 2015-04-28 5:38 ` Denis V. Lunev
2015-04-28 9:49 ` Paolo Bonzini
2015-04-28 12:03 ` Andreas Färber
3 siblings, 0 replies; 5+ messages in thread
From: Denis V. Lunev @ 2015-04-28 5:38 UTC (permalink / raw)
Cc: Paolo Bonzini, qemu-devel, Andreas Färber
On 07/04/15 16:53, Denis V. Lunev wrote:
> Replace call of cpu_is_bsp(s->cpu) which really returns
> !!(s->apicbase & MSR_IA32_APICBASE_BSP)
> with directly collected value. Due to this the tracepoint
> trace_cpu_get_apic_base((uint64_t)s->apicbase);
> will not be hit anymore in apic_reset_common.
>
> Signed-off-by: Denis V. Lunev <den@openvz.org>
> CC: Andreas Färber <afaerber@suse.de>
> CC: Paolo Bonzini <pbonzini@redhat.com>
> ---
> hw/intc/apic_common.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
> index 042e960..7a0c7e2 100644
> --- a/hw/intc/apic_common.c
> +++ b/hw/intc/apic_common.c
> @@ -233,11 +233,10 @@ static void apic_reset_common(DeviceState *dev)
> {
> APICCommonState *s = APIC_COMMON(dev);
> APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
> - bool bsp;
> + uint32_t bsp;
>
> - bsp = cpu_is_bsp(s->cpu);
> - s->apicbase = APIC_DEFAULT_ADDRESS |
> - (bsp ? MSR_IA32_APICBASE_BSP : 0) | MSR_IA32_APICBASE_ENABLE;
> + bsp = s->apicbase & MSR_IA32_APICBASE_BSP;
> + s->apicbase = APIC_DEFAULT_ADDRESS | bsp | MSR_IA32_APICBASE_ENABLE;
>
> s->vapic_paddr = 0;
> info->vapic_base_update(s);
ping
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Qemu-devel] [PATCH 1/1] apic_common: improve readability of apic_reset_common
2015-04-07 13:53 [Qemu-devel] [PATCH 1/1] apic_common: improve readability of apic_reset_common Denis V. Lunev
2015-04-07 14:00 ` Paolo Bonzini
2015-04-28 5:38 ` Denis V. Lunev
@ 2015-04-28 9:49 ` Paolo Bonzini
2015-04-28 12:03 ` Andreas Färber
3 siblings, 0 replies; 5+ messages in thread
From: Paolo Bonzini @ 2015-04-28 9:49 UTC (permalink / raw)
To: Denis V. Lunev; +Cc: qemu-devel, Andreas Färber
On 07/04/2015 15:53, Denis V. Lunev wrote:
> Replace call of cpu_is_bsp(s->cpu) which really returns
> !!(s->apicbase & MSR_IA32_APICBASE_BSP)
> with directly collected value. Due to this the tracepoint
> trace_cpu_get_apic_base((uint64_t)s->apicbase);
> will not be hit anymore in apic_reset_common.
>
> Signed-off-by: Denis V. Lunev <den@openvz.org>
> CC: Andreas Färber <afaerber@suse.de>
> CC: Paolo Bonzini <pbonzini@redhat.com>
> ---
> hw/intc/apic_common.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
> index 042e960..7a0c7e2 100644
> --- a/hw/intc/apic_common.c
> +++ b/hw/intc/apic_common.c
> @@ -233,11 +233,10 @@ static void apic_reset_common(DeviceState *dev)
> {
> APICCommonState *s = APIC_COMMON(dev);
> APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
> - bool bsp;
> + uint32_t bsp;
>
> - bsp = cpu_is_bsp(s->cpu);
> - s->apicbase = APIC_DEFAULT_ADDRESS |
> - (bsp ? MSR_IA32_APICBASE_BSP : 0) | MSR_IA32_APICBASE_ENABLE;
> + bsp = s->apicbase & MSR_IA32_APICBASE_BSP;
> + s->apicbase = APIC_DEFAULT_ADDRESS | bsp | MSR_IA32_APICBASE_ENABLE;
>
> s->vapic_paddr = 0;
> info->vapic_base_update(s);
>
Applied, thanks.
Paolo
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Qemu-devel] [PATCH 1/1] apic_common: improve readability of apic_reset_common
2015-04-07 13:53 [Qemu-devel] [PATCH 1/1] apic_common: improve readability of apic_reset_common Denis V. Lunev
` (2 preceding siblings ...)
2015-04-28 9:49 ` Paolo Bonzini
@ 2015-04-28 12:03 ` Andreas Färber
3 siblings, 0 replies; 5+ messages in thread
From: Andreas Färber @ 2015-04-28 12:03 UTC (permalink / raw)
To: Denis V. Lunev; +Cc: Paolo Bonzini, qemu-devel
Am 07.04.2015 um 15:53 schrieb Denis V. Lunev:
> Replace call of cpu_is_bsp(s->cpu) which really returns
> !!(s->apicbase & MSR_IA32_APICBASE_BSP)
> with directly collected value. Due to this the tracepoint
> trace_cpu_get_apic_base((uint64_t)s->apicbase);
> will not be hit anymore in apic_reset_common.
>
> Signed-off-by: Denis V. Lunev <den@openvz.org>
> CC: Andreas Färber <afaerber@suse.de>
> CC: Paolo Bonzini <pbonzini@redhat.com>
> ---
> hw/intc/apic_common.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
Reviewed-by: Andreas Färber <afaerber@suse.de>
Thanks,
Andreas
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SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Felix Imendörffer, Jane Smithard, Jennifer Guild, Dilip Upmanyu,
Graham Norton; HRB 21284 (AG Nürnberg)
^ permalink raw reply [flat|nested] 5+ messages in thread
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2015-04-07 13:53 [Qemu-devel] [PATCH 1/1] apic_common: improve readability of apic_reset_common Denis V. Lunev
2015-04-07 14:00 ` Paolo Bonzini
2015-04-28 5:38 ` Denis V. Lunev
2015-04-28 9:49 ` Paolo Bonzini
2015-04-28 12:03 ` Andreas Färber
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