* [PATCH] irqchip/mbigen: Free msi_desc on device teardown
@ 2020-04-08 11:43 Zenghui Yu
2020-04-09 9:27 ` Marc Zyngier
2020-04-17 9:56 ` [tip: irq/urgent] " tip-bot2 for Zenghui Yu
0 siblings, 2 replies; 4+ messages in thread
From: Zenghui Yu @ 2020-04-08 11:43 UTC (permalink / raw)
To: linux-kernel; +Cc: maz, tglx, jason, wuyun.wu, wanghaibin.wang, Zenghui Yu
Using irq_domain_free_irqs_common() on the irqdomain free path will
leave the MSI descriptor unfreed when platform devices get removed.
Properly free it by MSI domain free function.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
---
drivers/irqchip/irq-mbigen.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c
index 6b566bba263b..ff7627b57772 100644
--- a/drivers/irqchip/irq-mbigen.c
+++ b/drivers/irqchip/irq-mbigen.c
@@ -220,10 +220,16 @@ static int mbigen_irq_domain_alloc(struct irq_domain *domain,
return 0;
}
+static void mbigen_irq_domain_free(struct irq_domain *domain, unsigned int virq,
+ unsigned int nr_irqs)
+{
+ platform_msi_domain_free(domain, virq, nr_irqs);
+}
+
static const struct irq_domain_ops mbigen_domain_ops = {
.translate = mbigen_domain_translate,
.alloc = mbigen_irq_domain_alloc,
- .free = irq_domain_free_irqs_common,
+ .free = mbigen_irq_domain_free,
};
static int mbigen_of_create_domain(struct platform_device *pdev,
--
2.19.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] irqchip/mbigen: Free msi_desc on device teardown
2020-04-08 11:43 [PATCH] irqchip/mbigen: Free msi_desc on device teardown Zenghui Yu
@ 2020-04-09 9:27 ` Marc Zyngier
2020-04-09 10:30 ` Zenghui Yu
2020-04-17 9:56 ` [tip: irq/urgent] " tip-bot2 for Zenghui Yu
1 sibling, 1 reply; 4+ messages in thread
From: Marc Zyngier @ 2020-04-09 9:27 UTC (permalink / raw)
To: Zenghui Yu; +Cc: linux-kernel, tglx, jason, wuyun.wu, wanghaibin.wang
On Wed, 8 Apr 2020 19:43:52 +0800
Zenghui Yu <yuzenghui@huawei.com> wrote:
Hi Zenghui,
> Using irq_domain_free_irqs_common() on the irqdomain free path will
> leave the MSI descriptor unfreed when platform devices get removed.
> Properly free it by MSI domain free function.
>
> Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
> ---
> drivers/irqchip/irq-mbigen.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c
> index 6b566bba263b..ff7627b57772 100644
> --- a/drivers/irqchip/irq-mbigen.c
> +++ b/drivers/irqchip/irq-mbigen.c
> @@ -220,10 +220,16 @@ static int mbigen_irq_domain_alloc(struct irq_domain *domain,
> return 0;
> }
>
> +static void mbigen_irq_domain_free(struct irq_domain *domain, unsigned int virq,
> + unsigned int nr_irqs)
> +{
> + platform_msi_domain_free(domain, virq, nr_irqs);
> +}
> +
> static const struct irq_domain_ops mbigen_domain_ops = {
> .translate = mbigen_domain_translate,
> .alloc = mbigen_irq_domain_alloc,
> - .free = irq_domain_free_irqs_common,
> + .free = mbigen_irq_domain_free,
> };
>
> static int mbigen_of_create_domain(struct platform_device *pdev,
Should this deserve a:
Fixes: 9650c60ebfec0 ("irqchip/mbigen: Create irq domain for each
mbigen device")
Otherwise queued for post -rc1.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] irqchip/mbigen: Free msi_desc on device teardown
2020-04-09 9:27 ` Marc Zyngier
@ 2020-04-09 10:30 ` Zenghui Yu
0 siblings, 0 replies; 4+ messages in thread
From: Zenghui Yu @ 2020-04-09 10:30 UTC (permalink / raw)
To: Marc Zyngier; +Cc: linux-kernel, tglx, jason, wuyun.wu, wanghaibin.wang
Hi Marc,
On 2020/4/9 17:27, Marc Zyngier wrote:
> On Wed, 8 Apr 2020 19:43:52 +0800
> Zenghui Yu <yuzenghui@huawei.com> wrote:
>
> Hi Zenghui,
>
>> Using irq_domain_free_irqs_common() on the irqdomain free path will
>> leave the MSI descriptor unfreed when platform devices get removed.
>> Properly free it by MSI domain free function.
>>
>> Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
>> ---
>> drivers/irqchip/irq-mbigen.c | 8 +++++++-
>> 1 file changed, 7 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c
>> index 6b566bba263b..ff7627b57772 100644
>> --- a/drivers/irqchip/irq-mbigen.c
>> +++ b/drivers/irqchip/irq-mbigen.c
>> @@ -220,10 +220,16 @@ static int mbigen_irq_domain_alloc(struct irq_domain *domain,
>> return 0;
>> }
>>
>> +static void mbigen_irq_domain_free(struct irq_domain *domain, unsigned int virq,
>> + unsigned int nr_irqs)
>> +{
>> + platform_msi_domain_free(domain, virq, nr_irqs);
>> +}
>> +
>> static const struct irq_domain_ops mbigen_domain_ops = {
>> .translate = mbigen_domain_translate,
>> .alloc = mbigen_irq_domain_alloc,
>> - .free = irq_domain_free_irqs_common,
>> + .free = mbigen_irq_domain_free,
>> };
>>
>> static int mbigen_of_create_domain(struct platform_device *pdev,
>
> Should this deserve a:
>
> Fixes: 9650c60ebfec0 ("irqchip/mbigen: Create irq domain for each
> mbigen device")
Yes, please help to add it.
>
> Otherwise queued for post -rc1.
Thanks!
Zenghui
^ permalink raw reply [flat|nested] 4+ messages in thread
* [tip: irq/urgent] irqchip/mbigen: Free msi_desc on device teardown
2020-04-08 11:43 [PATCH] irqchip/mbigen: Free msi_desc on device teardown Zenghui Yu
2020-04-09 9:27 ` Marc Zyngier
@ 2020-04-17 9:56 ` tip-bot2 for Zenghui Yu
1 sibling, 0 replies; 4+ messages in thread
From: tip-bot2 for Zenghui Yu @ 2020-04-17 9:56 UTC (permalink / raw)
To: linux-tip-commits; +Cc: Zenghui Yu, Marc Zyngier, x86, LKML
The following commit has been merged into the irq/urgent branch of tip:
Commit-ID: edfc23f6f9fdbd7825d50ac1f380243cde19b679
Gitweb: https://git.kernel.org/tip/edfc23f6f9fdbd7825d50ac1f380243cde19b679
Author: Zenghui Yu <yuzenghui@huawei.com>
AuthorDate: Wed, 08 Apr 2020 19:43:52 +08:00
Committer: Marc Zyngier <maz@kernel.org>
CommitterDate: Fri, 17 Apr 2020 08:59:27 +01:00
irqchip/mbigen: Free msi_desc on device teardown
Using irq_domain_free_irqs_common() on the irqdomain free path will
leave the MSI descriptor unfreed when platform devices get removed.
Properly free it by MSI domain free function.
Fixes: 9650c60ebfec0 ("irqchip/mbigen: Create irq domain for each mbigen device")
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200408114352.1604-1-yuzenghui@huawei.com
---
drivers/irqchip/irq-mbigen.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c
index 6b566bb..ff7627b 100644
--- a/drivers/irqchip/irq-mbigen.c
+++ b/drivers/irqchip/irq-mbigen.c
@@ -220,10 +220,16 @@ static int mbigen_irq_domain_alloc(struct irq_domain *domain,
return 0;
}
+static void mbigen_irq_domain_free(struct irq_domain *domain, unsigned int virq,
+ unsigned int nr_irqs)
+{
+ platform_msi_domain_free(domain, virq, nr_irqs);
+}
+
static const struct irq_domain_ops mbigen_domain_ops = {
.translate = mbigen_domain_translate,
.alloc = mbigen_irq_domain_alloc,
- .free = irq_domain_free_irqs_common,
+ .free = mbigen_irq_domain_free,
};
static int mbigen_of_create_domain(struct platform_device *pdev,
^ permalink raw reply related [flat|nested] 4+ messages in thread
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2020-04-08 11:43 [PATCH] irqchip/mbigen: Free msi_desc on device teardown Zenghui Yu
2020-04-09 9:27 ` Marc Zyngier
2020-04-09 10:30 ` Zenghui Yu
2020-04-17 9:56 ` [tip: irq/urgent] " tip-bot2 for Zenghui Yu
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