Messages in this thread | | | Date | Thu, 9 Apr 2020 09:38:07 +0200 | From | Peter Zijlstra <> | Subject | Re: Merge branch 'core-objtool-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip |
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On Thu, Apr 09, 2020 at 10:00:53AM +0800, youling 257 wrote: > d937a6dfc9428f470c3ce4d459c390944ddef538 caused 64bit kernel build > failed on 32bit userspace. > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d937a6dfc9428f470c3ce4d459c390944ddef538 > > 2020-04-08 16:13 GMT+08:00, youling 257 <youling257@gmail.com>: > > after this merge branch, build 64bit kernel failed on 32bit userspace. > > > > > > CC tools/objtool/builtin-check.o > > CC tools/objtool/builtin-orc.o > > In file included from check.h:10, > > from builtin-check.c:18: > > elf.h: In function ‘sec_offset_hash’: > > elf.h:102:14: error: right shift count >= width of type > > [-Werror=shift-count-overflow] > > 102 | oh = offset >> 32; > > | ^~
Oh right; I figured it wouldn't matter since we don't do objtool for 32bit kernels, but I suppose you're cross building a 64bit kernel on a 32bit host or something daft like that?
I'll go fix it.
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