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[Bug ld/32584] ld.bfd slowdown linking some linux kernels


From: matz at suse dot de
Subject: [Bug ld/32584] ld.bfd slowdown linking some linux kernels
Date: Thu, 23 Jan 2025 17:19:43 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=32584

Michael Matz <matz at suse dot de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at sourceware dot org   |matz at suse dot de
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2025-01-23

--- Comment #2 from Michael Matz <matz at suse dot de> ---
Yep, can reproduce here, thanks for that.  Without the fix the emitted relocs
for
-r are really wrong (as in: unsorted).  But obviously, using insert sort in
these situations is terrible: it's used because we need a stable sort here,
and qsort isn't necessarily so, and because this never caused speed problems
in the past (when it still was wrong :) ).

So, yeah, we definitely need something better here.  I'll go look at this next
week.

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