Messages in this thread | | | Date | Wed, 15 Apr 2015 18:43:11 -0700 | From | Guenter Roeck <> | Subject | Re: [PATCH 0/2] Tentative fix for the divide-by-zero on score/paris/.. |
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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@oracle.com> 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@roeck-us.net>
Guenter
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