Re: [PATCH 0/2] tracing: Fully silence instance of -Wstring-compare

From: Nathan Chancellor
Date: Tue Mar 19 2024 - 18:28:03 EST


On Tue, Mar 19, 2024 at 06:15:09PM -0400, Steven Rostedt wrote:
> On Tue, 19 Mar 2024 09:07:51 -0700
> Nathan Chancellor <nathan@xxxxxxxxxx> wrote:
>
> > Hi all,
> >
> > This series fully resolves the new instance of -Wstring-compare from
> > within the __assign_str() macro. The first patch resolves a build
> > failure with GCC that would be seen with just the second patch applied.
> > The second patch actually hides the warning.
> >
> > NOTE: This is based on trace/for-next, which does not contain the
> > minimum LLVM version bump that occurred later in the current merge
> > window, so this uses
> >
> > __diag_ignore(clang, 11, ...
> >
> > instead of
> >
> > __diag_ignore(clang, 13, ...
> >
> > which will be required when this is merged into Linus's tree. If you can
> > base this series on a tree that has the merge commit e5eb28f6d1af ("Merge
> > tag 'mm-nonmm-stable-2024-03-14-09-36' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm") in it, then that
> > change can be done at application time, rather than merge time (or I can
> > send a v2). It would be really nice for this to make the merge window so
> > that this warning does not proliferate into other trees that base on
> > -rc1.
> >
>
> I'm guessing this isn't needed with the last update.

Correct, this is resolved in Linus's tree and should be in -next
tomorrow. The first patch may be worth sending standalone, I'll think
about sending it later but that can go in via some other tree, not
yours.

Cheers,
Nathan