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From: Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>
To: Dave Young <dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Linux EFI <linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	X86 ML <x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Borislav Petkov <bp-l3A5Bk7waGM@public.gmane.org>,
	Matt Fleming
	<matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>,
	Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>,
	"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
	James Bottomley
	<James.Bottomley-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org>,
	Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Toshi Kani <toshi.kani-VXdhtT5mjnY@public.gmane.org>,
	Arjan van de Ven <arjan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Subject: Re: [PATCH 3/3] efi: Make efi virtual runtime map passing more robust
Date: Wed, 18 Dec 2013 12:42:29 +0100	[thread overview]
Message-ID: <20131218114229.GA12222@pd.tnic> (raw)
In-Reply-To: <20131218090757.GA15594-je1gSBvt1TcFLmT5oZ11vB/sF2h8X+2i0E9HWUfgJXw@public.gmane.org>

On Wed, Dec 18, 2013 at 05:07:57PM +0800, Dave Young wrote:
> How about firstly count the md numbers in the 1st loop, then
> get/roundup the total size, alloc the pages, map the mds one by one in
> another loop.

No need as most systems would never need to reallocate. Even on Toshi's
big system, the mds fit in less than one page - having a second one is
an additional safeguard, i.e. 2 pages should be more than enough in the
majority of the cases.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

      parent reply	other threads:[~2013-12-18 11:42 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-16 23:36 [PATCH 0/3] EFI memmap fix Borislav Petkov
2013-12-16 23:36 ` [PATCH 1/3] x86, ptdump: Add the functionality to dump an arbitrary pagetable Borislav Petkov
     [not found] ` <1387236997-26975-1-git-send-email-bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>
2013-12-16 23:36   ` [PATCH 2/3] efi: Dump the EFI page table Borislav Petkov
2013-12-17  1:11   ` [PATCH 0/3] EFI memmap fix Toshi Kani
2013-12-16 23:36 ` [PATCH 3/3] efi: Make efi virtual runtime map passing more robust Borislav Petkov
     [not found]   ` <1387236997-26975-4-git-send-email-bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>
2013-12-17 11:23     ` Borislav Petkov
2013-12-17 12:10     ` Matt Fleming
2013-12-17 13:40       ` Borislav Petkov
2013-12-17 13:51         ` Matt Fleming
     [not found]           ` <20131217135156.GC3145-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-12-17 14:28             ` Borislav Petkov
2013-12-18  9:07   ` Dave Young
     [not found]     ` <20131218090757.GA15594-je1gSBvt1TcFLmT5oZ11vB/sF2h8X+2i0E9HWUfgJXw@public.gmane.org>
2013-12-18 11:42       ` Borislav Petkov [this message]

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