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From: Laszlo Ersek <lersek-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Yinghai Lu <yinghai-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: "Anders Darander"
	<anders-7UjN0b3lYz2SbKU13Z4Etw@public.gmane.org>,
	"Matt Fleming"
	<matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>,
	"Mantas Mikulėnas"
	<grawity-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
	"Matt Fleming"
	<matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	"Ingo Molnar" <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	"linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"Linux Kernel Mailing List"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH -v4] x86: only load initrd above 4g on second try
Date: Fri, 05 Sep 2014 21:20:25 +0200	[thread overview]
Message-ID: <540A0CF9.6060606@redhat.com> (raw)
In-Reply-To: <CAE9FiQV7XLwKsYWprmKAkZGGyuFeK=o_b1_ABMbEGVZzZxtp2w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On 09/05/14 19:03, Yinghai Lu wrote:
> On Thu, Sep 4, 2014 at 11:38 PM, Laszlo Ersek <lersek-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> wrote:
>> On 09/05/14 07:47, Anders Darander wrote:
>> In other words, the rounding up of the kernel will be undone in a
>> "somewhat higher level" driver in the firmware, and the request size
>> that reaches DiskIo (the "lowel level driver") remains the same.
> 
> Thanks for explanation.
> 
> Is there any way to check if EFI firmware have your fix from some calling?

I can't think of any, alas.

It might make sense to contact Mantas's and Anders's UEFI vendors; after
all a reliable reproducer is available.

Thanks,
Laszlo

  parent reply	other threads:[~2014-09-05 19:20 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-04  4:50 [PATCH -v4] x86: only load initrd above 4g on second try Yinghai Lu
     [not found] ` <20140904100137.GK3001@console-pimps.org>
2014-09-04 20:59   ` H. Peter Anvin
2014-09-04 21:29     ` Matt Fleming
     [not found]       ` <20140904212925.GL3001-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2014-09-05  1:19         ` Yinghai Lu
     [not found]           ` <CAE9FiQUDLoARj-Z3ipPTf2sZgGn71SxrxM+FqLE1Cyb-OEoP+A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-05  5:47             ` Anders Darander
2014-09-05  6:38               ` Laszlo Ersek
     [not found]                 ` <54095A5B.4030606-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-09-05 17:03                   ` Yinghai Lu
     [not found]                     ` <CAE9FiQV7XLwKsYWprmKAkZGGyuFeK=o_b1_ABMbEGVZzZxtp2w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-05 19:20                       ` Laszlo Ersek [this message]
     [not found]     ` <5408D299.5000300-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-09-05 22:16       ` Matt Fleming
     [not found]         ` <20140905221616.GP3001-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2014-09-06 19:05           ` Anders Darander
2014-09-06 20:09         ` Mantas Mikulėnas
2014-09-06 20:10           ` Mantas Mikulėnas
     [not found]           ` <CAPWNY8V6Vw0JBZ=VE_ZLZ1hiKVhrDbYyWfkLXMQtKYHZjmewRA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-08 15:58             ` Matt Fleming

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