linux-kernel - Re: [PATCH] KVM: selftests: add -MP to CFLAGS

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Message-ID: <170129774172.531444.5273351479240082811.b4-ty@google.com>
Date:   Wed, 29 Nov 2023 17:44:10 -0800
From:   Sean Christopherson <seanjc@...gle.com>
To:     Sean Christopherson <seanjc@...gle.com>, kvm@...r.kernel.org,
        David Woodhouse <dwmw2@...radead.org>
Cc:     Paolo Bonzini <pbonzini@...hat.com>, Shuah Khan <shuah@...nel.org>,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: selftests: add -MP to CFLAGS

On Sat, 28 Oct 2023 20:34:53 +0100, David Woodhouse wrote:
> Using -MD without -MP causes build failures when a header file is deleted
> or moved. With -MP, the compiler will emit phony targets for the header
> files it lists as dependencies, and the Makefiles won't refuse to attempt
> to rebuild a C unit which no longer includes the deleted header.
> 
> 

Applied to kvm-x86 selftests, thanks!

[1/1] KVM: selftests: add -MP to CFLAGS
      https://github.com/kvm-x86/linux/commit/fc6543bb55d4

--
https://github.com/kvm-x86/linux/tree/next