On 10 November 2016 at 05:22, Michael Ellerman <[email protected]> wrote: > Ard Biesheuvel <[email protected]> writes: > >> On 27 October 2016 at 17:27, Ard Biesheuvel <[email protected]> >> wrote: >>> This series is a followup to the single patch 'modversions: treat symbol >>> CRCs as 32 bit quantities on 64 bit archs', of which two versions have >>> been sent out so far [0][1] >>> >>> As pointed out by Michael, GNU ld behaves a bit differently between arm64 >>> and PowerPC64, and where the former gets rid of all runtime relocations >>> related to CRCs, the latter is not as easily convinced. >>> >>> Patch #1 fixes the issue where CRCs are corrupted by the runtime relocation >>> routines for 32-bit PowerPC, for which the original fix was effectively >>> reverted by commit 0e0ed6406e61 ("powerpc/modules: Module CRC relocation fix >>> causes perf issues") >>> >>> Patch #2 adds handling of R_PPC64_ADDR32 relocations against the NULL >>> .dynsym >>> symbol entry to the PPC64 runtime relocation routines, so it is prepared to >>> deal with CRCs being emitted as 32-bit quantities. >>> >>> Patch #3 is the original patch from the v1 and v2 submissions. >>> >>> Changes since v2: >>> - added #1 and #2 >>> - updated #3 to deal with CRC entries being emitted from assembler >>> - added Rusty's ack (#3) >>> >>> Branch can be found here: >>> https://git.kernel.org/cgit/linux/kernel/git/ardb/linux.git/log/?h=kcrctab-reloc >>> >>> [0] http://marc.info/?l=linux-kernel&m=147652300207369&w=2 >>> [1] http://marc.info/?l=linux-kernel&m=147695629614409&w=2 >> >> Ping? > > Sorry, you didn't cc linuxppc-dev, so it's not in my patchwork list > which tends to mean I miss it. >
Ah, my mistake. Apologies. > Will try and test and get back to you. > Thanks!
