From: Paolo Bonzini <pbonzini@redhat.com>
To: Oliver Upton <oupton@google.com>,
kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu
Cc: Marc Zyngier <maz@kernel.org>, James Morse <james.morse@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Jim Mattson <jmattson@google.com>,
Sean Christopherson <seanjc@google.com>,
Andrew Jones <drjones@redhat.com>
Subject: Re: [PATCH 1/2] selftests: KVM: Fix compiler warning in demand_paging_test
Date: Tue, 21 Sep 2021 19:38:32 +0200 [thread overview]
Message-ID: <1fcd4084-c1fe-0689-da46-5d81191eeae7@redhat.com> (raw)
In-Reply-To: <20210921010120.1256762-2-oupton@google.com>
On 21/09/21 03:01, Oliver Upton wrote:
> Building demand_paging_test.c with clang throws the following warning:
>
>>> demand_paging_test.c:182:7: error: logical not is only applied to the left hand side of this bitwise operator [-Werror,-Wlogical-not-parentheses]
> if (!pollfd[0].revents & POLLIN)
>
> Silence the warning by placing the bitwise operation within parentheses.
>
> Signed-off-by: Oliver Upton <oupton@google.com>
> ---
> tools/testing/selftests/kvm/demand_paging_test.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/kvm/demand_paging_test.c b/tools/testing/selftests/kvm/demand_paging_test.c
> index e79c1b64977f..10edae425ab3 100644
> --- a/tools/testing/selftests/kvm/demand_paging_test.c
> +++ b/tools/testing/selftests/kvm/demand_paging_test.c
> @@ -179,7 +179,7 @@ static void *uffd_handler_thread_fn(void *arg)
> return NULL;
> }
>
> - if (!pollfd[0].revents & POLLIN)
> + if (!(pollfd[0].revents & POLLIN))
> continue;
>
> r = read(uffd, &msg, sizeof(msg));
>
Queued (with small adjustments to the commit message and Cc: stable),
thanks.
Paolo
next prev parent reply other threads:[~2021-09-21 17:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-21 1:01 [PATCH 0/2] selftests: KVM: Fix some compiler warnings Oliver Upton
2021-09-21 1:01 ` [PATCH 1/2] selftests: KVM: Fix compiler warning in demand_paging_test Oliver Upton
2021-09-21 7:09 ` Andrew Jones
2021-09-21 17:38 ` Paolo Bonzini [this message]
2021-09-21 17:42 ` Oliver Upton
2021-09-21 1:01 ` [PATCH 2/2] selftests: KVM: Fix 'asm-operand-width' warnings in steal_time.c Oliver Upton
2021-09-21 7:19 ` Andrew Jones
2021-09-21 17:38 ` Paolo Bonzini
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1fcd4084-c1fe-0689-da46-5d81191eeae7@redhat.com \
--to=pbonzini@redhat.com \
--cc=alexandru.elisei@arm.com \
--cc=drjones@redhat.com \
--cc=james.morse@arm.com \
--cc=jmattson@google.com \
--cc=kvm@vger.kernel.org \
--cc=kvmarm@lists.cs.columbia.edu \
--cc=maz@kernel.org \
--cc=oupton@google.com \
--cc=seanjc@google.com \
--cc=suzuki.poulose@arm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox