On Tue, Jan 10, 2023 at 04:32:59PM +0000, Will Deacon wrote:
> On Tue, Jan 10, 2023 at 09:44:40PM +0530, Naresh Kamboju wrote:
> > GOOD: next-20230109 (defconfig + kselftests configs)
> > BAD: next-20230110 (defconfig + kselftests configs)
> I couldn't find a kselftests .config in the tree (assumedly I'm just ont
> looking hard enough), but does that happen to enable CONFIG_STACK_TRACER=y?
It's adding on all the config fragments in
tools/testing/selftests/*/config
which includes ftrace, which does set STACK_TRACER>
> If so, since you're using clang, I wonder if this is an issue with
> 68a63a412d18 ("arm64: Fix build with CC=clang, CONFIG_FTRACE=y and
> CONFIG_STACK_TRACER=y")?
ftrace also enables FTRACE.
> Please let us know how the bisection goes...
Not sure that Naresh has a bisection going, I don't think he's got
direct access to such a board.
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