* [PATCH] iommu/vt-d: Fix W=1 clang warning in intel/perf.c
@ 2021-06-17 14:53 ` Joerg Roedel
0 siblings, 0 replies; 10+ messages in thread
From: Joerg Roedel @ 2021-06-17 14:53 UTC (permalink / raw)
To: Joerg Roedel, Will Deacon
Cc: David Woodhouse, iommu, linux-kernel, clang-built-linux,
Joerg Roedel, Lu Baolu, kernel test robot
From: Joerg Roedel <jroedel@suse.de>
Fix this warning when compiled with clang and W=1:
drivers/iommu/intel/perf.c:16: warning: Function parameter or member 'latency_lock' not described in 'DEFINE_SPINLOCK'
drivers/iommu/intel/perf.c:16: warning: expecting prototype for perf.c(). Prototype was for DEFINE_SPINLOCK() instead
Cc: Lu Baolu <baolu.lu@linux.intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 55ee5e67a59a ("iommu/vt-d: Add common code for dmar latency performance monitors")
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/intel/perf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/intel/perf.c b/drivers/iommu/intel/perf.c
index 73b7ec705552..0e8e03252d92 100644
--- a/drivers/iommu/intel/perf.c
+++ b/drivers/iommu/intel/perf.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-/**
+/*
* perf.c - performance monitor
*
* Copyright (C) 2021 Intel Corporation
--
2.31.1
^ permalink raw reply related [flat|nested] 10+ messages in thread* [PATCH] iommu/vt-d: Fix W=1 clang warning in intel/perf.c
@ 2021-06-17 14:53 ` Joerg Roedel
0 siblings, 0 replies; 10+ messages in thread
From: Joerg Roedel @ 2021-06-17 14:53 UTC (permalink / raw)
To: Joerg Roedel, Will Deacon
Cc: Joerg Roedel, kernel test robot, linux-kernel, clang-built-linux,
iommu, David Woodhouse
From: Joerg Roedel <jroedel@suse.de>
Fix this warning when compiled with clang and W=1:
drivers/iommu/intel/perf.c:16: warning: Function parameter or member 'latency_lock' not described in 'DEFINE_SPINLOCK'
drivers/iommu/intel/perf.c:16: warning: expecting prototype for perf.c(). Prototype was for DEFINE_SPINLOCK() instead
Cc: Lu Baolu <baolu.lu@linux.intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 55ee5e67a59a ("iommu/vt-d: Add common code for dmar latency performance monitors")
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/intel/perf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/intel/perf.c b/drivers/iommu/intel/perf.c
index 73b7ec705552..0e8e03252d92 100644
--- a/drivers/iommu/intel/perf.c
+++ b/drivers/iommu/intel/perf.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-/**
+/*
* perf.c - performance monitor
*
* Copyright (C) 2021 Intel Corporation
--
2.31.1
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
^ permalink raw reply related [flat|nested] 10+ messages in thread* Re: [PATCH] iommu/vt-d: Fix W=1 clang warning in intel/perf.c
2021-06-17 14:53 ` Joerg Roedel
@ 2021-06-17 17:16 ` Nick Desaulniers via iommu
-1 siblings, 0 replies; 10+ messages in thread
From: Nick Desaulniers @ 2021-06-17 17:16 UTC (permalink / raw)
To: Joerg Roedel
Cc: Will Deacon, David Woodhouse, iommu, LKML, clang-built-linux,
Joerg Roedel, Lu Baolu, kernel test robot
On Thu, Jun 17, 2021 at 7:54 AM Joerg Roedel <joro@8bytes.org> wrote:
>
> From: Joerg Roedel <jroedel@suse.de>
>
> Fix this warning when compiled with clang and W=1:
>
> drivers/iommu/intel/perf.c:16: warning: Function parameter or member 'latency_lock' not described in 'DEFINE_SPINLOCK'
> drivers/iommu/intel/perf.c:16: warning: expecting prototype for perf.c(). Prototype was for DEFINE_SPINLOCK() instead
I think these warnings are actually produced by kernel-doc? (not clang)
>
> Cc: Lu Baolu <baolu.lu@linux.intel.com>
> Reported-by: kernel test robot <lkp@intel.com>
> Fixes: 55ee5e67a59a ("iommu/vt-d: Add common code for dmar latency performance monitors")
> Signed-off-by: Joerg Roedel <jroedel@suse.de>
> ---
> drivers/iommu/intel/perf.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iommu/intel/perf.c b/drivers/iommu/intel/perf.c
> index 73b7ec705552..0e8e03252d92 100644
> --- a/drivers/iommu/intel/perf.c
> +++ b/drivers/iommu/intel/perf.c
> @@ -1,5 +1,5 @@
> // SPDX-License-Identifier: GPL-2.0
> -/**
> +/*
> * perf.c - performance monitor
> *
> * Copyright (C) 2021 Intel Corporation
> --
> 2.31.1
>
> --
> You received this message because you are subscribed to the Google Groups "Clang Built Linux" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to clang-built-linux+unsubscribe@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/clang-built-linux/20210617145339.2692-1-joro%408bytes.org.
--
Thanks,
~Nick Desaulniers
^ permalink raw reply [flat|nested] 10+ messages in thread* Re: [PATCH] iommu/vt-d: Fix W=1 clang warning in intel/perf.c
@ 2021-06-17 17:16 ` Nick Desaulniers via iommu
0 siblings, 0 replies; 10+ messages in thread
From: Nick Desaulniers via iommu @ 2021-06-17 17:16 UTC (permalink / raw)
To: Joerg Roedel
Cc: Joerg Roedel, kernel test robot, Will Deacon, LKML,
clang-built-linux, iommu, David Woodhouse
On Thu, Jun 17, 2021 at 7:54 AM Joerg Roedel <joro@8bytes.org> wrote:
>
> From: Joerg Roedel <jroedel@suse.de>
>
> Fix this warning when compiled with clang and W=1:
>
> drivers/iommu/intel/perf.c:16: warning: Function parameter or member 'latency_lock' not described in 'DEFINE_SPINLOCK'
> drivers/iommu/intel/perf.c:16: warning: expecting prototype for perf.c(). Prototype was for DEFINE_SPINLOCK() instead
I think these warnings are actually produced by kernel-doc? (not clang)
>
> Cc: Lu Baolu <baolu.lu@linux.intel.com>
> Reported-by: kernel test robot <lkp@intel.com>
> Fixes: 55ee5e67a59a ("iommu/vt-d: Add common code for dmar latency performance monitors")
> Signed-off-by: Joerg Roedel <jroedel@suse.de>
> ---
> drivers/iommu/intel/perf.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iommu/intel/perf.c b/drivers/iommu/intel/perf.c
> index 73b7ec705552..0e8e03252d92 100644
> --- a/drivers/iommu/intel/perf.c
> +++ b/drivers/iommu/intel/perf.c
> @@ -1,5 +1,5 @@
> // SPDX-License-Identifier: GPL-2.0
> -/**
> +/*
> * perf.c - performance monitor
> *
> * Copyright (C) 2021 Intel Corporation
> --
> 2.31.1
>
> --
> You received this message because you are subscribed to the Google Groups "Clang Built Linux" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to clang-built-linux+unsubscribe@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/clang-built-linux/20210617145339.2692-1-joro%408bytes.org.
--
Thanks,
~Nick Desaulniers
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
^ permalink raw reply [flat|nested] 10+ messages in thread* Re: [PATCH] iommu/vt-d: Fix W=1 clang warning in intel/perf.c
2021-06-17 17:16 ` Nick Desaulniers via iommu
@ 2021-06-17 20:30 ` Joerg Roedel
-1 siblings, 0 replies; 10+ messages in thread
From: Joerg Roedel @ 2021-06-17 20:30 UTC (permalink / raw)
To: Nick Desaulniers
Cc: Joerg Roedel, Will Deacon, David Woodhouse, iommu, LKML,
clang-built-linux, Lu Baolu, kernel test robot
On Thu, Jun 17, 2021 at 10:16:50AM -0700, Nick Desaulniers wrote:
> On Thu, Jun 17, 2021 at 7:54 AM Joerg Roedel <joro@8bytes.org> wrote:
> >
> > From: Joerg Roedel <jroedel@suse.de>
> >
> > Fix this warning when compiled with clang and W=1:
> >
> > drivers/iommu/intel/perf.c:16: warning: Function parameter or member 'latency_lock' not described in 'DEFINE_SPINLOCK'
> > drivers/iommu/intel/perf.c:16: warning: expecting prototype for perf.c(). Prototype was for DEFINE_SPINLOCK() instead
>
> I think these warnings are actually produced by kernel-doc? (not clang)
Will kernel-doc check automatically when COMPILER=clang is set and W=1?
Because I did not explicitly enable any kernel-doc checks.
Regards,
Joerg
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] iommu/vt-d: Fix W=1 clang warning in intel/perf.c
@ 2021-06-17 20:30 ` Joerg Roedel
0 siblings, 0 replies; 10+ messages in thread
From: Joerg Roedel @ 2021-06-17 20:30 UTC (permalink / raw)
To: Nick Desaulniers
Cc: kernel test robot, Will Deacon, LKML, clang-built-linux, iommu,
David Woodhouse
On Thu, Jun 17, 2021 at 10:16:50AM -0700, Nick Desaulniers wrote:
> On Thu, Jun 17, 2021 at 7:54 AM Joerg Roedel <joro@8bytes.org> wrote:
> >
> > From: Joerg Roedel <jroedel@suse.de>
> >
> > Fix this warning when compiled with clang and W=1:
> >
> > drivers/iommu/intel/perf.c:16: warning: Function parameter or member 'latency_lock' not described in 'DEFINE_SPINLOCK'
> > drivers/iommu/intel/perf.c:16: warning: expecting prototype for perf.c(). Prototype was for DEFINE_SPINLOCK() instead
>
> I think these warnings are actually produced by kernel-doc? (not clang)
Will kernel-doc check automatically when COMPILER=clang is set and W=1?
Because I did not explicitly enable any kernel-doc checks.
Regards,
Joerg
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] iommu/vt-d: Fix W=1 clang warning in intel/perf.c
2021-06-17 20:30 ` Joerg Roedel
@ 2021-06-17 20:51 ` Nathan Chancellor
-1 siblings, 0 replies; 10+ messages in thread
From: Nathan Chancellor @ 2021-06-17 20:51 UTC (permalink / raw)
To: Joerg Roedel, Nick Desaulniers
Cc: Joerg Roedel, Will Deacon, David Woodhouse, iommu, LKML,
clang-built-linux, Lu Baolu, kernel test robot
On 6/17/2021 1:30 PM, Joerg Roedel wrote:
> On Thu, Jun 17, 2021 at 10:16:50AM -0700, Nick Desaulniers wrote:
>> On Thu, Jun 17, 2021 at 7:54 AM Joerg Roedel <joro@8bytes.org> wrote:
>>>
>>> From: Joerg Roedel <jroedel@suse.de>
>>>
>>> Fix this warning when compiled with clang and W=1:
>>>
>>> drivers/iommu/intel/perf.c:16: warning: Function parameter or member 'latency_lock' not described in 'DEFINE_SPINLOCK'
>>> drivers/iommu/intel/perf.c:16: warning: expecting prototype for perf.c(). Prototype was for DEFINE_SPINLOCK() instead
>>
>> I think these warnings are actually produced by kernel-doc? (not clang)
>
> Will kernel-doc check automatically when COMPILER=clang is set and W=1?
> Because I did not explicitly enable any kernel-doc checks.
>
> Regards,
>
> Joerg
>
kernel-doc is run automatically with W=1, regardless of gcc versus clang.
Cheers,
Nathan
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] iommu/vt-d: Fix W=1 clang warning in intel/perf.c
@ 2021-06-17 20:51 ` Nathan Chancellor
0 siblings, 0 replies; 10+ messages in thread
From: Nathan Chancellor @ 2021-06-17 20:51 UTC (permalink / raw)
To: Joerg Roedel, Nick Desaulniers
Cc: kernel test robot, Will Deacon, LKML, clang-built-linux, iommu,
David Woodhouse
On 6/17/2021 1:30 PM, Joerg Roedel wrote:
> On Thu, Jun 17, 2021 at 10:16:50AM -0700, Nick Desaulniers wrote:
>> On Thu, Jun 17, 2021 at 7:54 AM Joerg Roedel <joro@8bytes.org> wrote:
>>>
>>> From: Joerg Roedel <jroedel@suse.de>
>>>
>>> Fix this warning when compiled with clang and W=1:
>>>
>>> drivers/iommu/intel/perf.c:16: warning: Function parameter or member 'latency_lock' not described in 'DEFINE_SPINLOCK'
>>> drivers/iommu/intel/perf.c:16: warning: expecting prototype for perf.c(). Prototype was for DEFINE_SPINLOCK() instead
>>
>> I think these warnings are actually produced by kernel-doc? (not clang)
>
> Will kernel-doc check automatically when COMPILER=clang is set and W=1?
> Because I did not explicitly enable any kernel-doc checks.
>
> Regards,
>
> Joerg
>
kernel-doc is run automatically with W=1, regardless of gcc versus clang.
Cheers,
Nathan
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] iommu/vt-d: Fix W=1 clang warning in intel/perf.c
2021-06-17 20:51 ` Nathan Chancellor
@ 2021-06-18 7:57 ` Joerg Roedel
-1 siblings, 0 replies; 10+ messages in thread
From: Joerg Roedel @ 2021-06-18 7:57 UTC (permalink / raw)
To: Nathan Chancellor
Cc: Nick Desaulniers, Joerg Roedel, Will Deacon, David Woodhouse,
iommu, LKML, clang-built-linux, Lu Baolu, kernel test robot
On Thu, Jun 17, 2021 at 01:51:24PM -0700, Nathan Chancellor wrote:
> kernel-doc is run automatically with W=1, regardless of gcc versus clang.
I see, thanks. Will update the commit message.
Thanks,
Joerg
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] iommu/vt-d: Fix W=1 clang warning in intel/perf.c
@ 2021-06-18 7:57 ` Joerg Roedel
0 siblings, 0 replies; 10+ messages in thread
From: Joerg Roedel @ 2021-06-18 7:57 UTC (permalink / raw)
To: Nathan Chancellor
Cc: kernel test robot, David Woodhouse, Nick Desaulniers, LKML,
clang-built-linux, iommu, Will Deacon
On Thu, Jun 17, 2021 at 01:51:24PM -0700, Nathan Chancellor wrote:
> kernel-doc is run automatically with W=1, regardless of gcc versus clang.
I see, thanks. Will update the commit message.
Thanks,
Joerg
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2021-06-18 7:57 UTC | newest]
Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-06-17 14:53 [PATCH] iommu/vt-d: Fix W=1 clang warning in intel/perf.c Joerg Roedel
2021-06-17 14:53 ` Joerg Roedel
2021-06-17 17:16 ` Nick Desaulniers
2021-06-17 17:16 ` Nick Desaulniers via iommu
2021-06-17 20:30 ` Joerg Roedel
2021-06-17 20:30 ` Joerg Roedel
2021-06-17 20:51 ` Nathan Chancellor
2021-06-17 20:51 ` Nathan Chancellor
2021-06-18 7:57 ` Joerg Roedel
2021-06-18 7:57 ` Joerg Roedel
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