lkml.org 
[lkml]   [2009]   [Dec]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [REGRESSION] um: CONFIG_STATIC_LINK=y broken
From
Adding the ALIGN(PAGE_SIZE) causes the segfault.
But I cannot tell you why. :-(

Cheers,
//richard

2009/12/22, Tim Abbott <tabbott@ksplice.com>:
> On Tue, 22 Dec 2009, richard -rw- weinberger wrote:
>
>> This is the bad changeset:
>
> Thanks for tracking that down. INIT_TEXT_SECTION is:
>
> #define INIT_TEXT_SECTION(inittext_align) \
> . = ALIGN(inittext_align); \
> .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { \
> VMLINUX_SYMBOL(_sinittext) = .; \
> INIT_TEXT \
> VMLINUX_SYMBOL(_einittext) = .; \
> }
>
> So there are only 3 code changes here:
> (1) wrapping _sinittext and _einittext in VMLINUX_SYMBOL
> (2) Adding the AT(ADDR(.init.text) - LOAD_OFFSET)
> (3) The added ALIGN(PAGE_SIZE) before the start of .init.text.
>
> I don't yet see why any of these would be problematic; would you be
> willing to try them and figure out the precise cause?
>
> I suspect it'd be easiest for you to try those individual changes
> interactively, but if it's not trivial for you, I'd be happy to generate a
> patch series splitting out this change into pieces for you to bisect.
>
> -Tim Abbott
>


\
 
 \ /
  Last update: 2009-12-22 02:13    [W:0.055 / U:0.116 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site