linux-kernel - linux-next: build failure after merge of the perf tree

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Message-ID: <20250214152037.19c2622d@canb.auug.org.au>
Date: Fri, 14 Feb 2025 15:20:37 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>, Namhyung Kim
 <namhyung@...nel.org>
Cc: Ian Rogers <irogers@...gle.com>, Linux Kernel Mailing List
 <linux-kernel@...r.kernel.org>, Linux Next Mailing List
 <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the perf tree

Hi all,

After merging the perf tree, today's linux-next build (native powerpc
perf) failed like this:

arch/powerpc/tests/dwarf-unwind.c: In function 'test__arch_unwind_sample':
arch/powerpc/tests/dwarf-unwind.c:48:34: error: initialization of 'struct regs_dump *' from incompatible pointer type 'struct regs_dump **' [-Wincompatible-pointer-types]
   48 |         struct regs_dump *regs = &sample->user_regs;
      |                                  ^
arch/powerpc/util/unwind-libdw.c: In function 'libdw__arch_set_initial_registers':
arch/powerpc/util/unwind-libdw.c:19:39: error: initialization of 'struct regs_dump *' from incompatible pointer type 'struct regs_dump **' [-Wincompatible-pointer-types]
   19 |         struct regs_dump *user_regs = &ui->sample->user_regs;
      |                                       ^

Caused by commit

  dc6d2bc2d893 ("perf sample: Make user_regs and intr_regs optional")

I have used the perf tree from next-20250213 for today.

-- 
Cheers,
Stephen Rothwell

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