From: Sean Christopherson <seanjc@google.com>
To: Joe Richey <joerichey94@gmail.com>
Cc: trivial@kernel.org, Joe Richey <joerichey@google.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Mark Rutland <mark.rutland@arm.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Zhangfei Gao <zhangfei.gao@linaro.org>,
Zhou Wang <wangzhou1@hisilicon.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-media@vger.kernel.org, linux-accelerators@lists.ozlabs.org
Subject: Re: [PATCH 2/6] KVM: X86: Don't use BIT() macro in UAPI headers
Date: Thu, 20 May 2021 15:46:39 +0000 [thread overview]
Message-ID: <YKaEX35G9Qmx3thQ@google.com> (raw)
In-Reply-To: <20210520104343.317119-3-joerichey94@gmail.com>
This feedback applies to all patches in this series.
On Thu, May 20, 2021, Joe Richey wrote:
> From: Joe Richey <joerichey@google.com>
>
> A previous patch
Heh, I think it goes without saying that the code was introduced by a previous
patch, unless you've invented a time machine, in which case we should talk...
> [1] used the BIT() macro to define the
> KVM_DIRTY_GFN_F_* constants in KVM's UAPI header.
>
> This macro is defined in the kernel but not in the UAPI headers.
>
> [1] https://patchwork.kernel.org/patch/11854393
Linking to the patch isn't helpful/desirable in this case because it doesn't
provide any info about when the commit actually landed in the kernel. And
depending on the whims of the maintainer, what was posted may not exactly match
the code that was commited.
What you want is a Fixes: tag that points at the offending commit. The Fixes:
tag will also get the fix picked up for stable kernels, though in KVM we often
explicitly add "Cc: stable@vger.kernel.org" (though IIRC tglx prefers not to have
the explicit Cc).
Anyways, the changelog can simply be something like:
Replace BIT() in KVM's UAPI header with an open coded equivalent. BIT() is
not defined in the UAPI headers and its usage may cause userspace build errors.
Fixes: fb04a1eddb1a ("KVM: X86: Implement ring-based dirty memory tracking")
Signed-off-by: Joe Richey <joerichey@google.com>
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next prev parent reply other threads:[~2021-05-20 15:49 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-20 10:43 [PATCH 0/6] Don't use BIT() macro in UAPI headers Joe Richey
2021-05-20 10:43 ` [PATCH 1/6] x86/elf: " Joe Richey
2021-05-20 10:43 ` [PATCH 2/6] KVM: X86: " Joe Richey
2021-05-20 15:46 ` Sean Christopherson [this message]
2021-05-20 10:43 ` [PATCH 3/6] drivers: firmware: psci: " Joe Richey
2021-05-20 10:43 ` [PATCH 4/6] uacce: " Joe Richey
2021-05-20 10:43 ` [PATCH 5/6] media: vicodec: " Joe Richey
2021-05-20 10:43 ` [PATCH 6/6] tools headers UAPI: Sync pkt_sched.h with the kernel sources Joe Richey
2021-05-20 11:07 ` [PATCH 0/6] Don't use BIT() macro in UAPI headers Borislav Petkov
2021-05-20 11:50 ` Joseph Richey
2021-05-20 15:59 ` Borislav Petkov
2021-05-20 15:50 ` Sean Christopherson
2021-05-20 11:11 ` Mark Rutland
2021-05-20 11:40 ` Joseph Richey
2021-05-20 12:09 ` Paolo Bonzini
2021-05-20 15:47 ` Sean Christopherson
2021-05-21 8:58 ` [PATCH v2 0/7] " Joe Richey
2021-05-21 8:58 ` [PATCH v2 1/7] x86/elf: Use _BITUL() " Joe Richey
2021-05-21 8:58 ` [PATCH v2 2/7] KVM: X86: " Joe Richey
2021-05-24 12:28 ` Paolo Bonzini
2021-05-21 8:58 ` [PATCH v2 3/7] drivers: firmware: psci: " Joe Richey
2021-05-21 13:25 ` Mark Rutland
2021-05-21 8:58 ` [PATCH v2 4/7] uacce: " Joe Richey
2021-05-21 13:56 ` Zhangfei Gao
2021-05-21 8:58 ` [PATCH v2 5/7] media: vicodec: " Joe Richey
2021-05-21 8:58 ` [PATCH v2 6/7] tools headers UAPI: Sync pkt_sched.h with the kernel sources Joe Richey
2021-05-21 8:58 ` [PATCH v2 7/7] checkpatch: suggest _BITULL() and _BITUL() for UAPI headers Joe Richey
2021-05-21 14:45 ` Joe Perches
2021-05-24 11:46 ` [PATCH 0/6] Don't use BIT() macro in " Christoph Hellwig
2021-05-24 12:29 ` Mark Rutland
2021-05-24 16:34 ` David Laight
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