* [PATCH] Documentation: document /proc api for arm64 MTE vm flags
@ 2020-11-06 10:19 Szabolcs Nagy
2020-11-20 14:44 ` Catalin Marinas
0 siblings, 1 reply; 6+ messages in thread
From: Szabolcs Nagy @ 2020-11-06 10:19 UTC (permalink / raw)
To: linux-arm-kernel; +Cc: linux-doc
Document that /proc/PID/smaps shows PROT_MTE settings in VmFlags.
Support for this was introduced in
commit 9f3419315f3cdc41a7318e4d50ba18a592b30c8c
arm64: mte: Add PROT_MTE support to mmap() and mprotect()
Signed-off-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: linux-doc@vger.kernel.org
---
Documentation/filesystems/proc.rst | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index 533c79e8d2cd..e5fa972d4c76 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -546,6 +546,7 @@ encoded manner. The codes are the following:
nh no huge page advise flag
mg mergable advise flag
bt arm64 BTI guarded page
+ mt arm64 MTE allocation tags are enabled
== =======================================
Note that there is no guarantee that every flag and associated mnemonic will
--
2.17.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH] Documentation: document /proc api for arm64 MTE vm flags
2020-11-06 10:19 [PATCH] Documentation: document /proc api for arm64 MTE vm flags Szabolcs Nagy
@ 2020-11-20 14:44 ` Catalin Marinas
2020-11-20 18:00 ` Jonathan Corbet
0 siblings, 1 reply; 6+ messages in thread
From: Catalin Marinas @ 2020-11-20 14:44 UTC (permalink / raw)
To: Szabolcs Nagy, Jonathan Corbet; +Cc: linux-arm-kernel, linux-doc, adobriyan
Hi Jon,
On Fri, Nov 06, 2020 at 10:19:40AM +0000, Szabolcs Nagy wrote:
> Document that /proc/PID/smaps shows PROT_MTE settings in VmFlags.
> Support for this was introduced in
>
> commit 9f3419315f3cdc41a7318e4d50ba18a592b30c8c
> arm64: mte: Add PROT_MTE support to mmap() and mprotect()
>
> Signed-off-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
> Cc: linux-doc@vger.kernel.org
> ---
> Documentation/filesystems/proc.rst | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
> index 533c79e8d2cd..e5fa972d4c76 100644
> --- a/Documentation/filesystems/proc.rst
> +++ b/Documentation/filesystems/proc.rst
> @@ -546,6 +546,7 @@ encoded manner. The codes are the following:
> nh no huge page advise flag
> mg mergable advise flag
> bt arm64 BTI guarded page
> + mt arm64 MTE allocation tags are enabled
> == =======================================
>
> Note that there is no guarantee that every flag and associated mnemonic will
Are you ok with picking up this patch (it can be left for 5.11) or
should I queue it in the arm64 tree?
Thanks.
--
Catalin
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Documentation: document /proc api for arm64 MTE vm flags
2020-11-20 14:44 ` Catalin Marinas
@ 2020-11-20 18:00 ` Jonathan Corbet
2020-11-20 22:24 ` Catalin Marinas
0 siblings, 1 reply; 6+ messages in thread
From: Jonathan Corbet @ 2020-11-20 18:00 UTC (permalink / raw)
To: Catalin Marinas; +Cc: Szabolcs Nagy, linux-arm-kernel, linux-doc, adobriyan
On Fri, 20 Nov 2020 14:44:09 +0000
Catalin Marinas <catalin.marinas@arm.com> wrote:
> On Fri, Nov 06, 2020 at 10:19:40AM +0000, Szabolcs Nagy wrote:
> > Document that /proc/PID/smaps shows PROT_MTE settings in VmFlags.
> > Support for this was introduced in
> >
> > commit 9f3419315f3cdc41a7318e4d50ba18a592b30c8c
> > arm64: mte: Add PROT_MTE support to mmap() and mprotect()
> >
> > Signed-off-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
> > Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
> > Cc: linux-doc@vger.kernel.org
> > ---
> > Documentation/filesystems/proc.rst | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
> > index 533c79e8d2cd..e5fa972d4c76 100644
> > --- a/Documentation/filesystems/proc.rst
> > +++ b/Documentation/filesystems/proc.rst
> > @@ -546,6 +546,7 @@ encoded manner. The codes are the following:
> > nh no huge page advise flag
> > mg mergable advise flag
> > bt arm64 BTI guarded page
> > + mt arm64 MTE allocation tags are enabled
> > == =======================================
> >
> > Note that there is no guarantee that every flag and associated mnemonic will
>
> Are you ok with picking up this patch (it can be left for 5.11) or
> should I queue it in the arm64 tree?
It wasn't sent to me, so it wasn't on my radar. Up to you, I'm happy to
grab it if you'd prefer.
Thanks,
jon
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Documentation: document /proc api for arm64 MTE vm flags
2020-11-20 18:00 ` Jonathan Corbet
@ 2020-11-20 22:24 ` Catalin Marinas
2020-12-01 19:04 ` Catalin Marinas
0 siblings, 1 reply; 6+ messages in thread
From: Catalin Marinas @ 2020-11-20 22:24 UTC (permalink / raw)
To: Jonathan Corbet; +Cc: Szabolcs Nagy, linux-arm-kernel, linux-doc, adobriyan
On Fri, Nov 20, 2020 at 11:00:03AM -0700, Jonathan Corbet wrote:
> On Fri, 20 Nov 2020 14:44:09 +0000
> Catalin Marinas <catalin.marinas@arm.com> wrote:
>
> > On Fri, Nov 06, 2020 at 10:19:40AM +0000, Szabolcs Nagy wrote:
> > > Document that /proc/PID/smaps shows PROT_MTE settings in VmFlags.
> > > Support for this was introduced in
> > >
> > > commit 9f3419315f3cdc41a7318e4d50ba18a592b30c8c
> > > arm64: mte: Add PROT_MTE support to mmap() and mprotect()
> > >
> > > Signed-off-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
> > > Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
> > > Cc: linux-doc@vger.kernel.org
> > > ---
> > > Documentation/filesystems/proc.rst | 1 +
> > > 1 file changed, 1 insertion(+)
> > >
> > > diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
> > > index 533c79e8d2cd..e5fa972d4c76 100644
> > > --- a/Documentation/filesystems/proc.rst
> > > +++ b/Documentation/filesystems/proc.rst
> > > @@ -546,6 +546,7 @@ encoded manner. The codes are the following:
> > > nh no huge page advise flag
> > > mg mergable advise flag
> > > bt arm64 BTI guarded page
> > > + mt arm64 MTE allocation tags are enabled
> > > == =======================================
> > >
> > > Note that there is no guarantee that every flag and associated mnemonic will
> >
> > Are you ok with picking up this patch (it can be left for 5.11) or
> > should I queue it in the arm64 tree?
>
> It wasn't sent to me, so it wasn't on my radar. Up to you, I'm happy to
> grab it if you'd prefer.
Please do grab it. Thanks.
--
Catalin
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Documentation: document /proc api for arm64 MTE vm flags
2020-11-20 22:24 ` Catalin Marinas
@ 2020-12-01 19:04 ` Catalin Marinas
2020-12-01 19:29 ` Jonathan Corbet
0 siblings, 1 reply; 6+ messages in thread
From: Catalin Marinas @ 2020-12-01 19:04 UTC (permalink / raw)
To: Jonathan Corbet; +Cc: Szabolcs Nagy, adobriyan, linux-arm-kernel, linux-doc
Hi Jon,
On Fri, Nov 20, 2020 at 10:24:13PM +0000, Catalin Marinas wrote:
> On Fri, Nov 20, 2020 at 11:00:03AM -0700, Jonathan Corbet wrote:
> > On Fri, 20 Nov 2020 14:44:09 +0000
> > Catalin Marinas <catalin.marinas@arm.com> wrote:
> >
> > > On Fri, Nov 06, 2020 at 10:19:40AM +0000, Szabolcs Nagy wrote:
> > > > Document that /proc/PID/smaps shows PROT_MTE settings in VmFlags.
> > > > Support for this was introduced in
> > > >
> > > > commit 9f3419315f3cdc41a7318e4d50ba18a592b30c8c
> > > > arm64: mte: Add PROT_MTE support to mmap() and mprotect()
> > > >
> > > > Signed-off-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
> > > > Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
> > > > Cc: linux-doc@vger.kernel.org
> > > > ---
> > > > Documentation/filesystems/proc.rst | 1 +
> > > > 1 file changed, 1 insertion(+)
> > > >
> > > > diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
> > > > index 533c79e8d2cd..e5fa972d4c76 100644
> > > > --- a/Documentation/filesystems/proc.rst
> > > > +++ b/Documentation/filesystems/proc.rst
> > > > @@ -546,6 +546,7 @@ encoded manner. The codes are the following:
> > > > nh no huge page advise flag
> > > > mg mergable advise flag
> > > > bt arm64 BTI guarded page
> > > > + mt arm64 MTE allocation tags are enabled
> > > > == =======================================
> > > >
> > > > Note that there is no guarantee that every flag and associated mnemonic will
> > >
> > > Are you ok with picking up this patch (it can be left for 5.11) or
> > > should I queue it in the arm64 tree?
> >
> > It wasn't sent to me, so it wasn't on my radar. Up to you, I'm happy to
> > grab it if you'd prefer.
>
> Please do grab it. Thanks.
In case it slipped through the cracks (I haven't seen it in -next).
Otherwise I'll queue it sometime later this week for 5.11.
Thanks.
--
Catalin
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Documentation: document /proc api for arm64 MTE vm flags
2020-12-01 19:04 ` Catalin Marinas
@ 2020-12-01 19:29 ` Jonathan Corbet
0 siblings, 0 replies; 6+ messages in thread
From: Jonathan Corbet @ 2020-12-01 19:29 UTC (permalink / raw)
To: Catalin Marinas; +Cc: Szabolcs Nagy, adobriyan, linux-arm-kernel, linux-doc
On Tue, 1 Dec 2020 19:04:06 +0000
Catalin Marinas <catalin.marinas@arm.com> wrote:
> > > > Are you ok with picking up this patch (it can be left for 5.11) or
> > > > should I queue it in the arm64 tree?
> > >
> > > It wasn't sent to me, so it wasn't on my radar. Up to you, I'm happy to
> > > grab it if you'd prefer.
> >
> > Please do grab it. Thanks.
>
> In case it slipped through the cracks (I haven't seen it in -next).
> Otherwise I'll queue it sometime later this week for 5.11.
Um ... yes ... I was just going to apply it right now, honest ...
Applied, thanks for the reminder.
jon
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2020-12-01 19:30 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
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2020-11-06 10:19 [PATCH] Documentation: document /proc api for arm64 MTE vm flags Szabolcs Nagy
2020-11-20 14:44 ` Catalin Marinas
2020-11-20 18:00 ` Jonathan Corbet
2020-11-20 22:24 ` Catalin Marinas
2020-12-01 19:04 ` Catalin Marinas
2020-12-01 19:29 ` Jonathan Corbet
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