From: Seiji Aguchi <seiji.aguchi@hds.com>
To: Daniel Walker <dwalker@fifo99.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Avery Pennarun <apenwarr@gmail.com>,
Josh Triplett <josh@joshtriplett.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Ingo Molnar <mingo@elte.hu>,
"David S. Miller" <davem@davemloft.net>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
"Fabio M. Di Nitto" <fdinitto@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Olaf Hering <olaf@aepfle.de>,
Paul Gortmaker <paul.gortmaker@windriver.com>,
Tejun Heo <tj@kernel.org>, "H. Peter Anvin" <hpa@linux.intel.com>,
Yinghai LU <yinghai@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"Luck, Tony (tony.luck@intel.com)" <tony.luck@intel.com>
Subject: RE: [PATCH 0/5] Persist printk buffer across reboots.
Date: Thu, 15 Mar 2012 18:10:29 -0400 [thread overview]
Message-ID: <5C4C569E8A4B9B42A84A977CF070A35B2E31C6F891@USINDEVS01.corp.hds.com> (raw)
In-Reply-To: <20120314021906.GC5218@fifo99.com>
Hi,
> There is also this series,
>
> http://lists.infradead.org/pipermail/kexec/2011-July/005258.html
>
> It seems awkward that pstore is in fs/pstore/ then pstore ends up as the "back end" where it could just be the whole solution.
I just wanted to avoid deadlocks of pstore and its drivers such as mtdoops, ramoops, and efi_pstore in panic case.
That is still under discussion in lkml.
I have no objection to modifying mtdoops/ram_console to use pstore.
>pstore does seems to have the nicest user interface (might be better in debugfs tho). If someone wanted to move forward with pstore they would have to write some some sort of,
>
>int pstore_register_simple(unsigned long addr, unsigned long size);
>
>to cover all the memory areas that aren't transaction based, or make pstore accept a platform_device.
If you would like to introduce new feature to pstore, Tony Luck is the appropriate person to discuss.
Seiji
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next prev parent reply other threads:[~2012-03-15 22:21 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-13 5:36 Avery Pennarun
2012-03-13 5:36 ` [PATCH 1/5] mm: bootmem: BUG() if you try to allocate bootmem too late Avery Pennarun
2012-03-13 5:36 ` [PATCH 2/5] mm: bootmem: it's okay to reserve_bootmem an invalid address Avery Pennarun
2012-03-13 5:36 ` [PATCH 3/5] mm: nobootmem: implement reserve_bootmem() in terms of memblock Avery Pennarun
2012-03-13 5:36 ` [PATCH 4/5] printk: use alloc_bootmem() instead of memblock_alloc() Avery Pennarun
2012-03-13 6:13 ` Yinghai Lu
2012-03-13 6:40 ` Avery Pennarun
2012-03-13 8:26 ` Ingo Molnar
2012-03-13 21:50 ` Yinghai Lu
2012-03-14 2:23 ` Avery Pennarun
2012-03-13 5:36 ` [PATCH 5/5] printk: CONFIG_PRINTK_PERSIST: persist printk buffer across reboots Avery Pennarun
2012-03-13 5:53 ` [PATCH 0/5] Persist " David Miller
2012-03-13 6:00 ` Avery Pennarun
2012-03-13 6:50 ` David Miller
2012-03-13 7:14 ` Avery Pennarun
2012-03-13 7:18 ` David Miller
2012-03-13 8:10 ` Avery Pennarun
2012-03-13 8:16 ` David Miller
2012-03-13 13:50 ` Peter Zijlstra
2012-03-14 1:57 ` Daniel Walker
2012-03-13 8:32 ` Stephen Boyd
2012-03-13 17:08 ` Daniel Walker
2012-03-13 22:10 ` Andrew Morton
2012-03-14 2:19 ` Daniel Walker
2012-03-15 22:10 ` Seiji Aguchi [this message]
2012-03-14 2:21 ` Avery Pennarun
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