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From: Paolo Bonzini <pbonzini@redhat.com>
To: Matthias Kaehlcke <mka@chromium.org>, Joe Perches <joe@perches.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>,
	rkrcmar@redhat.com, Thomas Gleixner <tglx@linutronix.de>,
	hpa@zytor.com, x86@kernel.org, kvm@vger.kernel.org,
	LKML <linux-kernel@vger.kernel.org>,
	Masahiro Yamada <yamada.masahiro@socionext.com>
Subject: Re: [PATCH] kvm: x86: mmu: Add cast to negated bitmasks in update_permission_bitmask()
Date: Wed, 20 Jun 2018 10:02:15 +0200	[thread overview]
Message-ID: <c1d26d79-6e0c-fca8-af3c-e97af47b6b5f@redhat.com> (raw)
In-Reply-To: <20180619234543.GG169030@google.com>

On 20/06/2018 01:45, Matthias Kaehlcke wrote:
> 
> v4.16 with an x86 allyesconfig and a few drivers disabled since they
> don't build with clang (yet):
> 
> 16 occurrences of -Wconstant-conversion, including the ones fixed by
> this patch. Certainly no need for an endless churn of patches, and
> given the limited number it also doesn't seem likely that new
> instances will be added on a regular base.

Thanks for providing numbers!  The next question is: how many of these
16 occurrences are actual bugs?  This is what measures the usefulness of
the warning.

Paolo

  parent reply	other threads:[~2018-06-20  8:33 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-15 17:47 Matthias Kaehlcke
2018-06-15 18:04 ` Nick Desaulniers
2018-06-15 18:18   ` Joe Perches
2018-06-15 18:29     ` Matthias Kaehlcke
2018-06-15 18:40       ` Joe Perches
2018-06-15 18:45         ` Nick Desaulniers
2018-06-19 15:19           ` Paolo Bonzini
2018-06-19 17:08             ` Nick Desaulniers
2018-06-19 17:13               ` Paolo Bonzini
2018-06-19 18:38                 ` Matthias Kaehlcke
2018-06-19 17:23               ` Joe Perches
2018-06-19 17:35                 ` Paolo Bonzini
2018-06-19 18:07                   ` Joe Perches
2018-06-19 18:36                     ` Matthias Kaehlcke
2018-06-19 19:11                       ` Joe Perches
2018-06-19 21:10                         ` Matthias Kaehlcke
2018-06-19 21:55                           ` Joe Perches
2018-06-19 23:45                             ` Matthias Kaehlcke
2018-06-20  0:18                               ` Joe Perches
2018-06-20  1:36                                 ` Matthias Kaehlcke
2018-06-20  8:02                               ` Paolo Bonzini [this message]
2018-06-20 23:00                                 ` Matthias Kaehlcke
2018-06-16  3:39 ` kbuild test robot

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