linux-kernel - Re: [PATCH -v4] x86: only load initrd above 4g on second try

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Message-ID: <CAE9FiQUDLoARj-Z3ipPTf2sZgGn71SxrxM+FqLE1Cyb-OEoP+A@mail.gmail.com>
Date:	Thu, 4 Sep 2014 18:19:16 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Matt Fleming <matt@...sole-pimps.org>,
	Mantas Mikulėnas <grawity@...il.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Matt Fleming <matt.fleming@...el.com>,
	Ingo Molnar <mingo@...hat.com>,
	Anders Darander <anders@...rgestorm.se>,
	linux-efi@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Laszlo Ersek <lersek@...hat.com>
Subject: Re: [PATCH -v4] x86: only load initrd above 4g on second try

On Thu, Sep 4, 2014 at 2:29 PM, Matt Fleming <matt@...sole-pimps.org> wrote:
> On Thu, 04 Sep, at 01:59:05PM, H. Peter Anvin wrote:
>>
>> I am fine with this patch, but at the same time I do want to note that
>> there is an alternative to double-buffer the patch and/or (if that
>> applies to the buggy BIOS) round up the size of the target buffer.
>
> I'm not sure that rounding up the size of the target buffer will
> workaround this issue correctly.
>
> As far as I know, the only thing that Mantas tried was rounding up the
> size of the source file, by padding it.

Hi Mantas,

Can you try attached patch on top of linus tree?

Thanks

Yinghai

View attachment "round_up_chunksize.patch" of type "text/x-patch" (662 bytes)