| Date | Wed, 9 Mar 2022 13:51:33 +0100 (CET) | From | Miroslav Benes <> | Subject | Re: [PATCH v4 00/45] x86: Kernel IBT |
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On Tue, 8 Mar 2022, Peter Zijlstra wrote:
> Hopefully last posting... > > Since last time: > > - updated the ftrace_location() patch (naveen, rostedt) > - added a few comments and clarifications (bpetkov) > - disable jump-tables (joao) > - verified clang-14-rc2 works > - fixed a whole bunch of objtool unreachable insn issue > - picked up a few more tags > > Patches go on top of tip/master + arm64/for-next/linkage. Also available here: > > git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/wip.ibt
FWIW objtool changes look good to me.
I only came across
arch/x86/kernel/head_64.o: warning: objtool: .noinstr.text: unexpected end of section
with CC_HAS_IBT=n, which you already know about.
CC_HAS_IBT=y compilation gives
vmlinux.o: warning: objtool: xen_vcpu_setup()+0xa3: unreachable instruction
Miroslav
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