From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Howells <dhowells@redhat.com>
Subject: Re: [concept & "good taste" review] persistent store
Date: Mon, 20 Dec 2010 10:49:39 +0000
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To: Tony Luck <tony.luck@intel.com>
Cc: dhowells@redhat.com, Borislav Petkov <bp@alien8.de>, Tony Luck <tony.luck@gmail.com>, Linus Torvalds <torvalds@linux-foundation.org>, "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, tglx@linutronix.de, mingo@elte.hu, greg@kroah.com, akpm@linux-foundation.org, ying.huang@intel.com, David Miller <davem@davemloft.net>, Alan Cox <alan@lxorguk.ukuu.org.uk>, Jim Keniston <jkenisto@linux.vnet.ibm.com>, Kyungmin Park <kmpark@infradead.org>, Geert Uytterhoeven <geert@linux-m68k.org>

Tony Luck <tony.luck@intel.com> wrote:

> I'm not sure how big the store is on my system ... the ACPI/ERST
> interface on this machine limits each entry to just under 8KB. But
> that isn't inherent to to ERST, both larger and smaller values would
> be an option. 8K seems quite useful for kmsg_dump purposes as
> it grabs a significant number of lines leading up to the oops/panic.

How are things written to the store?  Is it a record-based affair?

David