From: will.deacon@arm•com (Will Deacon)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v2 4/6] arm64: mm: dump: make page table dumping reusable
Date: Tue, 31 May 2016 14:25:08 +0100 [thread overview]
Message-ID: <20160531132508.GJ24936@arm.com> (raw)
In-Reply-To: <20160513125606.GB4088@leverpostej>
On Fri, May 13, 2016 at 01:56:07PM +0100, Mark Rutland wrote:
> On Mon, Apr 25, 2016 at 12:07:57PM +0100, Will Deacon wrote:
> > Hi Ard, Mark,
> >
> > On Fri, Apr 22, 2016 at 06:48:06PM +0200, Ard Biesheuvel wrote:
> > > From: Mark Rutland <mark.rutland@arm•com>
> > >
> > > For debugging purposes, it would be nice if we could export page tables
> > > other than the swapper_pg_dir to userspace. To enable this, this patch
> > > refactors the arm64 page table dumping code such that multiple tables
> > > may be registered with the framework, and exported under debugfs.
> > >
> > > Signed-off-by: Mark Rutland <mark.rutland@arm•com>
> > > Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro•org>
> > > ---
> > > arch/arm64/include/asm/ptdump.h | 44 ++++++++++++++++++++
> > > arch/arm64/mm/dump.c | 32 ++++++++------
> > > 2 files changed, 64 insertions(+), 12 deletions(-)
> >
> > Could you reorder this with patch 3, please? I'm unsure about the benefit
> > of the very specific string literal changes, but the ptdump stuff here
> > certainly looks beneficial.
>
> I'm sure this is far too late, but for posterity I've rebased patch 4
> below atop of pathes 1 & 2 as queued in the arm64 for-next/core branch,
> without patch 3. It builds cleanly, and I've given it a spin on
> Juno.
>
> Will, I guess I should rebase and resend this after we hit v4.7-rc1?
Yes, please.
Will
next prev parent reply other threads:[~2016-05-31 13:25 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-22 16:48 [PATCH v2 0/6] arm64/ARM pt dumper changes Ard Biesheuvel
2016-04-22 16:48 ` [PATCH v2 1/6] arm64: ptdump: use static initializers for vmemmap region boundaries Ard Biesheuvel
2016-04-22 17:07 ` Mark Rutland
2016-04-22 16:48 ` [PATCH v2 2/6] arm64: ptdump: add region marker for kasan shadow region Ard Biesheuvel
2016-04-22 17:09 ` Mark Rutland
2016-04-22 16:48 ` [PATCH v2 3/6] arm64: ptdump: fold string literals into address_markers[] and pte_bits[] Ard Biesheuvel
2016-04-22 16:48 ` [PATCH v2 4/6] arm64: mm: dump: make page table dumping reusable Ard Biesheuvel
2016-04-25 11:07 ` Will Deacon
2016-05-13 12:56 ` Mark Rutland
2016-05-31 13:25 ` Will Deacon [this message]
2016-04-22 16:48 ` [PATCH v2 5/6] arm: " Ard Biesheuvel
2016-04-22 16:48 ` [PATCH v2 6/6] efi/arm*: add support to dump the EFI page tables Ard Biesheuvel
2016-04-22 17:01 ` Mark Rutland
2016-04-22 17:20 ` Ard Biesheuvel
2016-04-22 17:25 ` Mark Rutland
2016-04-25 11:26 ` Ard Biesheuvel
2016-04-27 20:12 ` Russell King - ARM Linux
2016-04-26 11:29 ` [PATCH v2 0/6] arm64/ARM pt dumper changes Will Deacon
2016-04-26 11:34 ` Ard Biesheuvel
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