* [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 -- links below jump to the message on this page -- 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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