From: Mark Rutland <mark.rutland@arm.com>
To: Jeffrey Hugo <jhugo@codeaurora.org>
Cc: Sameer Goel <sgoel@codeaurora.org>,
"linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>
Subject: Re: [PATCH] efi/libstub/arm*: Set default address and size cells values for an empty dtb
Date: Tue, 7 Feb 2017 19:06:02 +0000 [thread overview]
Message-ID: <20170207190602.GH26173@leverpostej> (raw)
In-Reply-To: <20170207190113.GG26173@leverpostej>
On Tue, Feb 07, 2017 at 07:01:14PM +0000, Mark Rutland wrote:
> On Tue, Feb 07, 2017 at 11:54:55AM -0700, Jeffrey Hugo wrote:
> > Kexec attempts to insert these values in the fdt. The fdt only
> > accepts 32-bit values, so it truncates what is put in. Then later
> > kexec/kdump read the values from the fdt, and get garbage.
>
> I take it this is specific to the kdump properties?
>
> I can't immediately see what would matter for the !kdump case.
> properties inserted under /chosen are not truncated?
Whoops; please ignore the last line. I'd meant to delete that (and it
obviously makes no sense).
Mark.
WARNING: multiple messages have this Message-ID (diff)
From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] efi/libstub/arm*: Set default address and size cells values for an empty dtb
Date: Tue, 7 Feb 2017 19:06:02 +0000 [thread overview]
Message-ID: <20170207190602.GH26173@leverpostej> (raw)
In-Reply-To: <20170207190113.GG26173@leverpostej>
On Tue, Feb 07, 2017 at 07:01:14PM +0000, Mark Rutland wrote:
> On Tue, Feb 07, 2017 at 11:54:55AM -0700, Jeffrey Hugo wrote:
> > Kexec attempts to insert these values in the fdt. The fdt only
> > accepts 32-bit values, so it truncates what is put in. Then later
> > kexec/kdump read the values from the fdt, and get garbage.
>
> I take it this is specific to the kdump properties?
>
> I can't immediately see what would matter for the !kdump case.
> properties inserted under /chosen are not truncated?
Whoops; please ignore the last line. I'd meant to delete that (and it
obviously makes no sense).
Mark.
next prev parent reply other threads:[~2017-02-07 19:06 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-07 17:59 [PATCH] efi/libstub/arm*: Set default address and size cells values for an empty dtb Jeffrey Hugo
2017-02-07 17:59 ` Jeffrey Hugo
[not found] ` <1486490390-25251-1-git-send-email-jhugo-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2017-02-07 18:12 ` Ard Biesheuvel
2017-02-07 18:12 ` Ard Biesheuvel
2017-02-07 18:54 ` Jeffrey Hugo
2017-02-07 18:54 ` Jeffrey Hugo
[not found] ` <1f47fcdd-c5d8-4082-70a3-ca9b1746d7ca-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2017-02-07 19:01 ` Mark Rutland
2017-02-07 19:01 ` Mark Rutland
2017-02-07 19:06 ` Mark Rutland [this message]
2017-02-07 19:06 ` Mark Rutland
2017-02-07 19:07 ` Jeffrey Hugo
2017-02-07 19:07 ` Jeffrey Hugo
[not found] ` <c49cc64e-4ca1-8d82-5faf-74c0355c35ef-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2017-02-07 19:12 ` Ard Biesheuvel
2017-02-07 19:12 ` Ard Biesheuvel
2017-02-07 19:13 ` Mark Rutland
2017-02-07 19:13 ` Mark Rutland
2017-02-07 19:29 ` Jeffrey Hugo
2017-02-07 19:29 ` Jeffrey Hugo
2017-02-07 19:55 ` Mark Rutland
2017-02-07 19:55 ` Mark Rutland
2017-02-08 7:43 ` AKASHI, Takahiro
2017-02-08 7:43 ` AKASHI, Takahiro
[not found] ` <20170208074301.GB18445-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2017-02-08 10:40 ` Ard Biesheuvel
2017-02-08 10:40 ` Ard Biesheuvel
2017-02-09 8:27 ` AKASHI, Takahiro
2017-02-09 8:27 ` AKASHI, Takahiro
[not found] ` <20170209082702.GC18445-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2017-02-13 20:55 ` Timur Tabi
2017-02-13 20:55 ` Timur Tabi
[not found] ` <CAKv+Gu8OXn20JvtFkE_bS=cbWV3XZ5b7a+XaG7tvea+4BqrHfw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-02-13 20:51 ` Timur Tabi
2017-02-13 20:51 ` Timur Tabi
2017-02-08 11:35 ` Mark Rutland
2017-02-08 11:35 ` Mark Rutland
2017-02-07 18:15 ` Mark Rutland
2017-02-07 18:15 ` Mark Rutland
2017-02-07 18:41 ` Jeffrey Hugo
2017-02-07 18:41 ` Jeffrey Hugo
2017-02-07 19:24 ` Timur Tabi
2017-02-07 19:24 ` Timur Tabi
2017-02-07 19:37 ` Mark Rutland
2017-02-07 19:37 ` Mark Rutland
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