On 04/15/2015 02:19 PM, Quentin Casasnovas wrote:
On Wed, Apr 15, 2015 at 06:26:58AM -0700, Guenter Roeck wrote:
On 04/15/2015 01:54 AM, Quentin Casasnovas wrote:
The following two patches might (hopefully) fix the build breakage on score
and some other architectures. I've checked the new __ex_table checker
still works on x86-64 with them (it still detects an entry pointing to
.altinstr_rplacement) and they should apply cleanly on top of Rusty's
module-next branch.
Thanks to Guenter for the bug analysis and sorry again for the breakage.
Let me know if this makes things better..
the crash is fixed, but now I get
FATAL: The relocation at __ex_table+0x4 references
section "" which is not executable, IOW
the kernel will fault if it ever tries to
jump to it. Something is seriously wrong
and should be fixed.
for parisc:defconfig,
FATAL: The relocation at __ex_table+0x634 references
section "__ex_table" which is not executable, IOW
the kernel will fault if it ever tries to
jump to it. Something is seriously wrong
and should be fixed.
for score:allnoconfig, and
FATAL: The relocation at __ex_table+0x8 references
section "" which is not executable, IOW
it is not possible for the kernel to fault
at that address. Something is seriously wrong
and should be fixed.
for mn10300:defconfig.
While I agree that those should get fixed (if they are real problems,
especially the ones for parisc and mn10300), I don't think it is
a good idea to fail the build because of it.
Note that I did find the problem in the score build; that was a real bug.
I don't know what may be wrong with the others.
The attached patch fixes the build failures on parisc and mn10300 on my
defconfig build and should apply cleanly on top of the previous two.
I'm not able to download the score cross toolchain for the moment but will
do tomorrow. Guenter, may I ask if there were any other problems than the
one you fixed in string.S there?
For
>From 2e9abac9cbde18af48951c54d52c9c515f9883a7 Mon Sep 17 00:00:00 2001
From: Quentin Casasnovas <quentin.casasnovas@xxxxxxxxxx>
Date: Wed, 15 Apr 2015 22:39:50 +0200
Subject: [PATCH] modpost: do not try to match the SHT_NUL section.
Tested-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Guenter
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