From: takahiro.akashi@linaro.org (AKASHI Takahiro)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v31 03/12] arm64: kdump: reserve memory for crash dump kernel
Date: Thu, 2 Feb 2017 22:44:24 +0900 [thread overview]
Message-ID: <20170202134423.GA22545@fireball> (raw)
In-Reply-To: <20170202112619.GB31394@leverpostej>
On Thu, Feb 02, 2017 at 11:26:20AM +0000, Mark Rutland wrote:
> On Thu, Feb 02, 2017 at 01:52:36PM +0900, AKASHI Takahiro wrote:
> > On Wed, Feb 01, 2017 at 03:26:09PM +0000, Mark Rutland wrote:
> > > On Wed, Feb 01, 2017 at 09:46:22PM +0900, AKASHI Takahiro wrote:
> > > > + pr_info("Reserving %lldMB of memory at %lldMB for crashkernel\n",
> > > > + crash_size >> 20, crash_base >> 20);
> > >
> > > We only page-align the size, so the MB will be a little off, but that's
> > > probably OK. However, it would also be nicer to log the base as an
> > > address.
> >
> > You might notice that the exact same message is used by all the other
> > architectures, but
>
> Almost all; I see arch/sh prints the address with %08x. ;)
>
> > > Could we dump this as we do for the kernel memory layout? e.g.
> > >
> > > pr_info("crashkernel reserved: 0x%016lx - 0x%016lx (%lld MB)\n",
> > > crash_base, crash_base + crash_size, crash_size >> 20);
> >
> > We can go either way.
>
> Even if it's different from other archtiectures, I'd prefer to log as
> above, with the range in hex.
OK.
-Takhiro AKASHI
> Thanks,
> Mark.
next prev parent reply other threads:[~2017-02-02 13:44 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-01 12:42 [PATCH v31 00/12] add kdump support AKASHI Takahiro
2017-02-01 12:45 ` [PATCH v31 01/12] memblock: add memblock_cap_memory_range() AKASHI Takahiro
2017-02-01 12:46 ` [PATCH v31 02/12] arm64: limit memory regions based on DT property, usable-memory-range AKASHI Takahiro
2017-02-01 15:07 ` Mark Rutland
2017-02-02 4:21 ` AKASHI Takahiro
2017-02-01 12:46 ` [PATCH v31 03/12] arm64: kdump: reserve memory for crash dump kernel AKASHI Takahiro
2017-02-01 15:26 ` Mark Rutland
2017-02-02 4:52 ` AKASHI Takahiro
2017-02-02 11:26 ` Mark Rutland
2017-02-02 13:44 ` AKASHI Takahiro [this message]
2017-02-01 12:46 ` [PATCH v31 04/12] arm64: mm: allow for unmapping part of kernel mapping AKASHI Takahiro
2017-02-01 16:03 ` Mark Rutland
2017-02-02 10:21 ` AKASHI Takahiro
2017-02-02 11:44 ` Mark Rutland
2017-02-02 14:01 ` AKASHI Takahiro
2017-02-02 14:35 ` Mark Rutland
2017-02-02 14:55 ` AKASHI Takahiro
2017-02-03 6:13 ` AKASHI Takahiro
2017-02-03 14:22 ` Mark Rutland
2017-02-01 12:46 ` [PATCH v31 05/12] arm64: kdump: protect crash dump kernel memory AKASHI Takahiro
2017-02-01 18:00 ` Mark Rutland
2017-02-01 18:25 ` Mark Rutland
2017-02-02 10:39 ` AKASHI Takahiro
2017-02-02 11:54 ` Mark Rutland
2017-02-03 1:45 ` AKASHI Takahiro
2017-02-03 11:51 ` Mark Rutland
2017-02-02 10:45 ` James Morse
2017-02-02 11:19 ` AKASHI Takahiro
2017-02-02 11:48 ` Mark Rutland
2017-02-02 10:31 ` AKASHI Takahiro
2017-02-02 11:16 ` Mark Rutland
2017-02-02 14:36 ` AKASHI Takahiro
2017-02-02 15:36 ` Mark Rutland
2017-02-01 12:46 ` [PATCH v31 06/12] arm64: hibernate: preserve kdump image around hibernation AKASHI Takahiro
2017-02-01 12:46 ` [PATCH v31 07/12] arm64: kdump: implement machine_crash_shutdown() AKASHI Takahiro
2017-02-01 12:46 ` [PATCH v31 08/12] arm64: kdump: add VMCOREINFO's for user-space tools AKASHI Takahiro
2017-02-01 12:46 ` [PATCH v31 09/12] arm64: kdump: provide /proc/vmcore file AKASHI Takahiro
2017-02-01 19:21 ` Mark Rutland
2017-02-02 6:24 ` AKASHI Takahiro
2017-02-02 12:03 ` Mark Rutland
2017-02-02 12:08 ` Mark Rutland
2017-02-02 14:39 ` AKASHI Takahiro
2017-02-01 12:46 ` [PATCH v31 10/12] arm64: kdump: enable kdump in defconfig AKASHI Takahiro
2017-02-01 12:46 ` [PATCH v31 11/12] Documentation: kdump: describe arm64 port AKASHI Takahiro
2017-02-01 12:48 ` [PATCH v31 12/12] Documentation: dt: chosen properties for arm64 kdump AKASHI Takahiro
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