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Date: Sun, 14 Nov 2021 14:42:06 -0700
From: Nathan Chancellor <nathan@kernel.org>
To: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Ard Biesheuvel <ardb@kernel.org>, Marc Zyngier <maz@kernel.org>,
	kernel test robot <lkp@intel.com>, llvm@lists.linux.dev,
	kbuild-all@lists.01.org,
	Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [arm-platforms:hack/m1-pmu 8/8]
 drivers/perf/apple_m1_cpu_pmu.c:100:32: warning: initializer overrides prior
 initialization of this subobject
Message-ID: <YZGCrpVfY5xng4EC@archlinux-ax161>
References: <202111141650.o5b2LSZU-lkp@intel.com>
 <0b7463e699956abb0f8b0da7a9254500@kernel.org>
 <CAMj1kXE5T4pWVBUPiZRqw1S122DHVQkZn9GwNHx2cr4=MfndeQ@mail.gmail.com>
 <CANiq72nhQuRPgVMqDkr9OZqSLpT_2VVwkBaY97PbuqhbuNJnJg@mail.gmail.com>
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In-Reply-To: <CANiq72nhQuRPgVMqDkr9OZqSLpT_2VVwkBaY97PbuqhbuNJnJg@mail.gmail.com>

On Sun, Nov 14, 2021 at 01:24:16PM +0100, Miguel Ojeda wrote:
> On Sun, Nov 14, 2021 at 12:07 PM Ard Biesheuvel <ardb@kernel.org> wrote:
> >
> > +KBUILD_CFLAGS += $(call cc-option, -Wno-initializer-overrides)
> 
> I don't think we would need `cc-option`.

-Winitializer-overrides is the clang version of the flag, as opposed to
-Woverride-init for gcc. A compatibility flag was added in clang 8 so if
this is changed to

KBUILD_CFLAGS += -Wno-override-init

it should work for both compilers.

Cheers,
Nathan