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From: Pratyush Anand <panand@redhat.com>
To: Baoquan He <bhe@redhat.com>
Cc: kexec@lists.infradead.org, kexec@lists.fedoraproject.org
Subject: Re: [PATCH RFC 5/6] arm64: Add support for binary image
Date: Tue, 21 Apr 2015 10:12:10 +0530	[thread overview]
Message-ID: <5535D522.3080806@redhat.com> (raw)
In-Reply-To: <20150420072402.GG15033@dhcp-16-116.nay.redhat.com>



On Monday 20 April 2015 12:54 PM, Baoquan He wrote:
> On 04/16/15 at 10:17pm, Pratyush Anand wrote:
>> >This patch adds support to use binary image ie arch/arm64/boot/Image.
>> >
>> >Binary image does not have sufficient knowledge to extract page offset
>> >information, which is needed by kexec tool. Use a new command parameter
>> >--page-offset, so that user can provide page offset information for
>> >liner mapping.
>> >
>> >Signed-off-by: Pratyush Anand<panand@redhat.com>
>> >---
> Seems there's a function get_kernel_page_offset used to get page_offset
> automatically in arm. arm64 should have it either.
>
>

ARM still takes user option for --page-offset in user_page_offset 
variable and then cross check that value with one found in /proc/kallsyms.

May be for ARM64, we can read it like "value of symbol _text in 
/proc/kallsyms & 0xfffffffffff00000".

~Pratyush

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  reply	other threads:[~2015-04-21  4:42 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-16 16:47 [PATCH RFC 0/6] Various fixes for purgatory and ARM64 Pratyush Anand
2015-04-16 16:47 ` [PATCH RFC 1/6] purgatory: Fix memcmp for src address increment Pratyush Anand
2015-04-17 16:55   ` Geoff Levand
2015-04-20  0:25     ` Simon Horman
2015-04-22 11:19       ` Pratyush Anand
2015-04-23  2:23         ` Simon Horman
2015-04-16 16:47 ` [PATCH RFC 2/6] purgatory: No need to sha256 update if ptr->len is zero Pratyush Anand
2015-04-17 16:58   ` Geoff Levand
2015-04-17 23:26     ` Pratyush Anand
2015-04-20  3:01   ` Baoquan He
2015-04-20  3:18     ` Pratyush Anand
2015-04-16 16:47 ` [PATCH RFC 3/6] arm64: allocate memory for other segments after kernel Pratyush Anand
2015-04-17 16:59   ` Geoff Levand
2015-04-20  3:21   ` Baoquan He
2015-04-21  4:19     ` Pratyush Anand
2015-04-21 10:06       ` AKASHI Takahiro
2015-04-22  6:16         ` AKASHI Takahiro
2015-04-16 16:47 ` [PATCH RFC 4/6] arm64: support reuse-cmdline option Pratyush Anand
2015-04-17 17:02   ` Geoff Levand
2015-04-16 16:47 ` [PATCH RFC 5/6] arm64: Add support for binary image Pratyush Anand
2015-04-17 17:07   ` Geoff Levand
2015-04-17 18:00     ` Geoff Levand
2015-04-17 23:27       ` Pratyush Anand
2015-04-20  7:24   ` Baoquan He
2015-04-21  4:42     ` Pratyush Anand [this message]
2015-04-22  2:53       ` Baoquan He
2015-04-22 11:19         ` Pratyush Anand
2015-04-16 16:47 ` [PATCH RFC 6/6] arm64: wait for transmit completion before next character transmission Pratyush Anand
2015-04-17  5:36   ` Minfei Huang
2015-04-17  5:37     ` Pratyush Anand
2015-04-20  2:58       ` Baoquan He
2015-04-20  3:34         ` Pratyush Anand
2015-04-17 17:22   ` Geoff Levand
2015-04-17 23:31     ` Pratyush Anand
2015-04-16 23:54 ` [PATCH RFC 0/6] Various fixes for purgatory and ARM64 Simon Horman
2015-04-17  1:27 ` Dave Young
2015-04-17  2:48   ` Pratyush Anand
2015-04-17 17:27 ` Geoff Levand

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