From: Laurent Vivier <laurent@vivier.eu>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
Peter Maydell <peter.maydell@linaro.org>,
qemu-block@nongnu.org, Corey Minyard <minyard@acm.org>,
qemu-trivial@nongnu.org, Stefan Weil <sw@weilnetz.de>,
Michael Tokarev <mjt@tls.msk.ru>,
Markus Armbruster <armbru@redhat.com>,
Max Reitz <mreitz@redhat.com>,
qemu-ppc@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [Qemu-devel] [Qemu-trivial] [PATCH-for-4.1? 5/7] target/ppc: Rewrite a fall through comment
Date: Wed, 21 Aug 2019 10:57:48 +0200 [thread overview]
Message-ID: <67fab672-0e34-b24b-7489-21b4eb6188bf@vivier.eu> (raw)
In-Reply-To: <20190719131425.10835-6-philmd@redhat.com>
Le 19/07/2019 à 15:14, Philippe Mathieu-Daudé a écrit :
> GCC9 is confused by this comment when building with CFLAG
> -Wimplicit-fallthrough=2:
>
> target/ppc/mmu_helper.c: In function ‘dump_mmu’:
> target/ppc/mmu_helper.c:1349:12: error: this statement may fall through [-Werror=implicit-fallthrough=]
> 1349 | if (ppc64_v3_radix(env_archcpu(env))) {
> | ^
> target/ppc/mmu_helper.c:1356:5: note: here
> 1356 | default:
> | ^~~~~~~
> cc1: all warnings being treated as errors
>
> Rewrite the comment using 'fall through' which is recognized by
> GCC and static analyzers.
>
> Reported-by: Stefan Weil <sw@weilnetz.de>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
> target/ppc/mmu_helper.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/target/ppc/mmu_helper.c b/target/ppc/mmu_helper.c
> index 261a8fe707..862824b073 100644
> --- a/target/ppc/mmu_helper.c
> +++ b/target/ppc/mmu_helper.c
> @@ -98,7 +98,7 @@ static int pp_check(int key, int pp, int nx)
> case 0x1:
> case 0x2:
> access |= PAGE_WRITE;
> - /* No break here */
> + /* fall through */
> case 0x3:
> access |= PAGE_READ;
> break;
> @@ -706,7 +706,7 @@ static int mmu40x_get_physical_address(CPUPPCState *env, mmu_ctx_t *ctx,
> if (pr != 0) {
> goto check_perms;
> }
> - /* No break here */
> + /* fall through */
> case 0x3:
> /* All accesses granted */
> ctx->prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
> @@ -720,7 +720,7 @@ static int mmu40x_get_physical_address(CPUPPCState *env, mmu_ctx_t *ctx,
> ret = -2;
> break;
> }
> - /* No break here */
> + /* fall through */
> case 0x1:
> check_perms:
> /* Check from TLB entry */
>
Applied to my trivial-patches branch.
Thanks,
Laurent
next prev parent reply other threads:[~2019-08-21 9:12 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-19 13:14 [Qemu-devel] [PATCH-for-4.1? 0/7] Trivial switch 'fall through' comment fixes for GCC9 Philippe Mathieu-Daudé
2019-07-19 13:14 ` [Qemu-devel] [PATCH-for-4.1? 1/7] json: Move switch 'fall through' comment to correct place Philippe Mathieu-Daudé
2019-07-19 15:31 ` Eric Blake
2019-08-21 8:54 ` [Qemu-devel] [Qemu-trivial] " Laurent Vivier
2019-07-19 13:14 ` [Qemu-devel] [PATCH-for-4.1? 2/7] hw/dma/omap_dma: " Philippe Mathieu-Daudé
2019-07-19 13:27 ` Peter Maydell
2019-08-21 8:55 ` [Qemu-devel] [Qemu-trivial] " Laurent Vivier
2019-07-19 13:14 ` [Qemu-devel] [PATCH-for-4.1 3/7] hw/block/pflash_cfi02: Rewrite a fall through comment Philippe Mathieu-Daudé
2019-07-19 13:27 ` Peter Maydell
2019-07-22 11:43 ` Philippe Mathieu-Daudé
2019-07-25 0:27 ` [Qemu-devel] [Qemu-block] " John Snow
2019-07-25 10:59 ` Philippe Mathieu-Daudé
2019-07-19 13:14 ` [Qemu-devel] [PATCH-for-4.1? 4/7] hw/ipmi: " Philippe Mathieu-Daudé
2019-07-21 2:10 ` Corey Minyard
2019-08-21 8:56 ` [Qemu-devel] [Qemu-trivial] " Laurent Vivier
2019-07-19 13:14 ` [Qemu-devel] [PATCH-for-4.1? 5/7] target/ppc: " Philippe Mathieu-Daudé
2019-07-19 14:20 ` David Gibson
2019-08-21 8:57 ` Laurent Vivier [this message]
2019-07-19 13:14 ` [Qemu-devel] [PATCH-for-4.1? 6/7] vl: " Philippe Mathieu-Daudé
2019-07-25 0:28 ` [Qemu-devel] [Qemu-block] " John Snow
2019-08-21 8:58 ` [Qemu-devel] [Qemu-trivial] " Laurent Vivier
2019-07-19 13:14 ` [Qemu-devel] [PATCH-for-4.1? 7/7] spapr_events: " Philippe Mathieu-Daudé
2019-07-19 14:20 ` David Gibson
2019-08-21 8:59 ` [Qemu-devel] [Qemu-trivial] " Laurent Vivier
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=67fab672-0e34-b24b-7489-21b4eb6188bf@vivier.eu \
--to=laurent@vivier.eu \
--cc=armbru@redhat.com \
--cc=david@gibson.dropbear.id.au \
--cc=kwolf@redhat.com \
--cc=minyard@acm.org \
--cc=mjt@tls.msk.ru \
--cc=mreitz@redhat.com \
--cc=pbonzini@redhat.com \
--cc=peter.maydell@linaro.org \
--cc=philmd@redhat.com \
--cc=qemu-block@nongnu.org \
--cc=qemu-devel@nongnu.org \
--cc=qemu-ppc@nongnu.org \
--cc=qemu-trivial@nongnu.org \
--cc=sw@weilnetz.de \
/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;
as well as URLs for NNTP newsgroup(s).