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bh=i/w5GGBWoyeO6zs1YesUe2Rk58yoxoPxBwHISLrYctY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=W+EL8IIlvhf2BKu/Eqf6hL2knF2luLeLru6p6SL9LJpASQ+Rde1pp0msZl8nttNt/ RffZyaEFuU+pDwOnhMj7U0RfenhCx0IEhHCKLJ3hLJ+TK1HooqHLcrdpxlBW2/mbKp 6e9YlntwG155BYF/vx5UATvXSoWov2OvGfo7c++fvfXiIsyEo2XGUwFcjC1f6COqdi 2bGLDzX7cOiiHSfiYRWBlmSTKrVOk6PfF1bqQp1EECv9RulcDv1+Tk9dxpBOzGFRwY fkfYjHr3hvZr4jbqdrEfdjsTAORRn7eLt1rYoeqM4MYBwfGBb/KFr+6cZDKj81WYYY SK+t5Q+AUCkHQ== Date: Tue, 4 Apr 2023 08:30:12 -0700 From: Nathan Chancellor To: Josh Triplett Cc: kernel test robot , Andrew Morton , linux-kernel@vger.kernel.org, llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List Subject: Re: [PATCH] prctl: Add PR_GET_AUXV to copy auxv to userspace Message-ID: <20230404153012.GA1702188@dev-arch.thelio-3990X> References: <202304041715.c3b7aJd4-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 0A787C0005 X-Stat-Signature: xinqtbztcyukxg36chaityeurfqk5uma X-HE-Tag: 1680622215-701359 X-HE-Meta: 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 1S2rae07 Q98PUk3rzoV/ORzs1VnGWX7WuYIjWKp9+MzXU+AcBv9Yr0KYzOJua9bA6NHY6IejHpNKoziJBdsPUGPytI4gFMT3F5zntUEgiQlYqnqMU5sgdfSoOaPGNMM16ZpNo88LEsACyP7JFlrAw7AST7zGNTJAIHZcyqQKG5Mi82zeHSUz50jvLXH8HC80E668rfTWxwIEROXCZsnhmwC0WXbf7ZKkUTVxdIA1EuJ7wzso8y9+sZBWR+hayWcD26JqrXqtN7/U44IGzQUYUOiIlWX8WrqLAzbfHfJr+/9dqkwiu7BjzI2uYSWroGXpzhXGkTqppQPkSwLE7eQNmqZmpQDI0J5bm3DNvpv7ipXnS X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Apr 04, 2023 at 09:07:59PM +0900, Josh Triplett wrote: > On Tue, Apr 04, 2023 at 05:58:51PM +0800, kernel test robot wrote: > > reproduce (this is a W=1 build): > > Right, I *really* need to start doing W=1 builds. (Am I missing > something, or did kernel builds once emit warnings about type mismatches > on `min` by default?) I see this warning in a normal ARCH=arm allmodconfig build (i.e., without W=1). Perhaps you never did a 32-bit build, since that is the only way this warning would appear? > > >> kernel/sys.c:2383:23: warning: comparison of distinct pointer types ('typeof (sizeof (mm->saved_auxv)) *' (aka 'unsigned int *') and 'typeof (len) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types] > > Will fix in v2. > Cheers, Nathan