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Date: Mon, 9 May 2011 09:06:59 +0200 From: Daniel Kiper <dkiper@...-space.pl> To: Stefano Stabellini <stefano.stabellini@...citrix.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, Daniel Kiper <dkiper@...-space.pl>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "yinghai@...nel.org" <yinghai@...nel.org>, "hpa@...or.com" <hpa@...or.com>, "xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com> Subject: Re: [PATCH 1/2] xen/mmu: Add workaround "x86-64, mm: Put early page table high" On Thu, May 05, 2011 at 03:06:18PM +0100, Stefano Stabellini wrote: > On Thu, 5 May 2011, Konrad Rzeszutek Wilk wrote: > > > In any case you are right about the fact that the change is not needed > > > on X86_32 so if it has any bad side effects on X86_32 we can always do > > > > Why not? Can't you boot a 32-bit Dom0 on those machines? > > Because e820_end_of_low_ram_pfn() is not called on 32-bit, > find_low_pfn_range() is called instead and works differently. > AFAICT find_low_pfn_range() is not affected by the issue described in > the previous email. Yes, you are right. Additionally, I tested your patch with my amendments ealier and it works on i386. I am going to prepare relevant patch today or tomorrow. Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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