All of lore.kernel.org
 help / color / mirror / Atom feed
From: Arnd Bergmann <arnd@kernel.org>
To: Santosh Shilimkar <ssantosh@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Arnd Bergmann <arnd@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	Maxime Ripard <maxime@cerno.tech>,
	soc@kernel.org, Robin Murphy <robin.murphy@arm.com>,
	clang-built-linux@googlegroups.com,
	Russell King <linux@armlinux.org.uk>
Subject: Re: [PATCH] ARM: keystone: fix integer overflow warning
Date: Thu,  1 Apr 2021 12:23:26 +0200	[thread overview]
Message-ID: <161727243810.583633.10194693313914787410.b4-ty@arndb.de> (raw)
In-Reply-To: <20210323131814.2751750-1-arnd@kernel.org>

From: Arnd Bergmann <arnd@arndb.de>

On Tue, 23 Mar 2021 14:18:05 +0100, Arnd Bergmann wrote:
> clang warns about an impossible condition when building with 32-bit
> phys_addr_t:
> 
> arch/arm/mach-keystone/keystone.c:79:16: error: result of comparison of constant 51539607551 with expression of type 'phys_addr_t' (aka 'unsigned int') is always false [-Werror,-Wtautological-constant-out-of-range-compare]
>             mem_end   > KEYSTONE_HIGH_PHYS_END) {
>             ~~~~~~~   ^ ~~~~~~~~~~~~~~~~~~~~~~
> arch/arm/mach-keystone/keystone.c:78:16: error: result of comparison of constant 34359738368 with expression of type 'phys_addr_t' (aka 'unsigned int') is always true [-Werror,-Wtautological-constant-out-of-range-compare]
>         if (mem_start < KEYSTONE_HIGH_PHYS_START ||
>             ~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~
> 
> [...]

Applied to arm/fixes

[1/1] ARM: keystone: fix integer overflow warning
      commit: 04e18e1cc319f453a6d752d4553bb3f29fde5f76

       Arnd

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@kernel.org>
To: Santosh Shilimkar <ssantosh@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Arnd Bergmann <arnd@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	Maxime Ripard <maxime@cerno.tech>,
	soc@kernel.org, Robin Murphy <robin.murphy@arm.com>,
	clang-built-linux@googlegroups.com,
	Russell King <linux@armlinux.org.uk>
Subject: Re: [PATCH] ARM: keystone: fix integer overflow warning
Date: Thu,  1 Apr 2021 12:23:26 +0200	[thread overview]
Message-ID: <161727243810.583633.10194693313914787410.b4-ty@arndb.de> (raw)
Message-ID: <20210401102326.hy4s5IsOvoqMr0qS5knGVo3kUob1faDfDYoclVsx5-M@z> (raw)
In-Reply-To: <20210323131814.2751750-1-arnd@kernel.org>

From: Arnd Bergmann <arnd@arndb.de>

On Tue, 23 Mar 2021 14:18:05 +0100, Arnd Bergmann wrote:
> clang warns about an impossible condition when building with 32-bit
> phys_addr_t:
> 
> arch/arm/mach-keystone/keystone.c:79:16: error: result of comparison of constant 51539607551 with expression of type 'phys_addr_t' (aka 'unsigned int') is always false [-Werror,-Wtautological-constant-out-of-range-compare]
>             mem_end   > KEYSTONE_HIGH_PHYS_END) {
>             ~~~~~~~   ^ ~~~~~~~~~~~~~~~~~~~~~~
> arch/arm/mach-keystone/keystone.c:78:16: error: result of comparison of constant 34359738368 with expression of type 'phys_addr_t' (aka 'unsigned int') is always true [-Werror,-Wtautological-constant-out-of-range-compare]
>         if (mem_start < KEYSTONE_HIGH_PHYS_START ||
>             ~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~
> 
> [...]

Applied to arm/fixes

[1/1] ARM: keystone: fix integer overflow warning
      commit: 04e18e1cc319f453a6d752d4553bb3f29fde5f76

       Arnd

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2021-04-01 10:23 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-23 13:18 [PATCH] ARM: keystone: fix integer overflow warning Arnd Bergmann
2021-03-23 13:18 ` Arnd Bergmann
2021-03-23 17:56 ` Santosh Shilimkar
2021-03-23 17:56   ` Santosh Shilimkar
2021-03-23 17:56   ` Santosh Shilimkar
2021-03-23 18:24 ` Nathan Chancellor
2021-03-23 18:24   ` Nathan Chancellor
2021-04-01 10:23 ` Arnd Bergmann [this message]
2021-04-01 10:23   ` Arnd Bergmann

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=161727243810.583633.10194693313914787410.b4-ty@arndb.de \
    --to=arnd@kernel.org \
    --cc=arnd@arndb.de \
    --cc=clang-built-linux@googlegroups.com \
    --cc=james.quinlan@broadcom.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@armlinux.org.uk \
    --cc=mathieu.poirier@linaro.org \
    --cc=maxime@cerno.tech \
    --cc=nathan@kernel.org \
    --cc=ndesaulniers@google.com \
    --cc=robin.murphy@arm.com \
    --cc=soc@kernel.org \
    --cc=ssantosh@kernel.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.