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AJvYcCUpACdPwvqQ1bw2wDNIZULlYgOPi6esSgPufrPj+MLeHoVef+zpYib2Gs9zZQ7/7IVUzx+9m+lZ+g==@kvack.org X-Gm-Message-State: AOJu0YyCzu4MpTVE81phPti1jEUGxHtYbEJuGtsftn9PJIo232JQhv59 k7SYATNCOUYZCZgj5zPSowiPag4CFn3kzVj2gqGhmnOy0uT0zCzscVV90wbKZiopmgWN62LJWrz IOBojCN8wueadnh6yr+2MkOL60Fg= X-Google-Smtp-Source: AGHT+IH2c/8wN0ZQCLiGrnVaFRtMAy9hhOJ56G4/Dn7GWPQcdYPiTgGY5zBhl3cdTJF13hGzRpO7UkV6Sw/atGsf1sA= X-Received: by 2002:a17:90a:5e05:b0:2d8:cc31:6c5b with SMTP id 98e67ed59e1d1-2dba001867dmr7480536a91.4.1726503300191; Mon, 16 Sep 2024 09:15:00 -0700 (PDT) MIME-Version: 1.0 References: <20240814161052.10374-1-andrey.konovalov@linux.dev> In-Reply-To: <20240814161052.10374-1-andrey.konovalov@linux.dev> From: Miguel Ojeda Date: Mon, 16 Sep 2024 18:14:47 +0200 Message-ID: Subject: Re: [PATCH v2] kasan: simplify and clarify Makefile To: andrey.konovalov@linux.dev Cc: Marco Elver , Matthew Maurer , Miguel Ojeda , Andrey Konovalov , Alexander Potapenko , Dmitry Vyukov , Andrey Ryabinin , kasan-dev@googlegroups.com, Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Queue-Id: A79D7140014 X-Rspamd-Server: rspam01 X-Stat-Signature: df4fdqd6hnqytjm75g173guph6gb6qwn X-HE-Tag: 1726503301-269893 X-HE-Meta: U2FsdGVkX1/+gg95KVsJ5pkLYxgmb6Mtkqak4QOiU6ODGRmvrwPLZkThPP/fS6PfPNY+5DhP5EhfNsfdMUqQoUBh4wPkk9frxHfzFNnCVD9jSE3c+CQopeHlSCZY4rWc4+dqqul/OscA2IGHhGpxfSXsH/1VU2KwZq6INR1WcY837/0wljtAfH0elB/Zy2OC688cd8JThk0fVPXFDfZTEQ4ejBsbF+NSPnF7pKfQoMLL33X27FmqdPOvnT3N70oYnwJMHIZaOH6qIR9ep0JLdeTvhR4/my3tbCO8co/WdjgvLmvnP9q/sbxpTZkGoJiDPgHpDK/ePiOfv6k9cIT3TuRrGdkkcXYiPSwzurHCfLpWMyHR5aO+8Ld6LssVb1xx7J4hLBz+6Y2IwPrq7hVOLlRbcvldcHBUNbSENCAb4lfHf0w1G0X6ae/UaldyoG7eBsLNlNDzzqi2FDsKUpcsiTKNqynDVS3wAKfJ9npa6AI4OFscPKyOLuLkWPKgMuGX3GbuE6G98U2uejVRyFMjLIpKoaiLmyWtC7fIYwtDWGG2dAWoerKIakFlHbf7sVCIR0rlqmgpFvZ0fHaWl/O5k0MUkQv5cGgPSuqVIcWJAkgKlng4EPGBY5Qxp/EA6NTkDZywDua82YEg1F/CLwgHnNuQbeYtZRHjOeAZTLho/LvvAKZq3q8WRaQcMKfrakozCqV3KzxFOs/UKPoFIIVyOThDbF6dZ3xq+wL1q5fMxmnNDf4QZTJV1mNNO4QqiEx8RBLayRANYiCaD+Er48xhF0PJGDLZYfN4kWSF7JYThSYldBIZZyUYQ1bBi22sJJcMtYQBW1LW1bJCXKI5QxjSsO6rXeez99tOqXU8fnsfXDQlFFO02Q3Lk3Nt7aDJ1/mRocHWAyn0A008lNhh0306NL1BSiT7KA2gF9Ufiusyj3nc5ZkR868ZlLW/bNM6A5IEfhM+7J4bxunWmbZ26sz Zq3v6uuP i+i3MQ1m9reEN3pLtIbsFDQhOkxwmKU8oYrWrShnf+gA/hPRJFfpLa5FYJXDV5okxOoyxrb3mniBc934fLzJBOia7b4/tsE9tX0gdZTeQd8w4ksG3QevoPSwZjVPtQrNjA22CZ3KMlBMgDKvNTlUCUGX6TTcMKSn8Zp8vnKcxbfNOzTroEExXHmj7JFB6GCN7LCIZ1bG8UOwtIDEMJf+o9Vxz+wwmhvsawmFrQSDjH5YSXMyGwxQzswUFTGdxZMSIBiAebeZ2ZYmoru3iWlO408C3NIon/i7ShY2N/DMFjeIworYU+yzQmmfEt2CssIZ+yINhG/Ihi3vxgLKj1m7pipb7NXl54tpprHWJyMrDoghsBHCiriLrkF4h1LuXVf2sSGwpJBNeSLkyD5auXKGbRkZLtx9Xbj4lUPSNViiGK3XiGyU= X-Bogosity: Ham, tests=bogofilter, spamicity=0.191116, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Aug 14, 2024 at 6:11=E2=80=AFPM wrote: > > When KASAN support was being added to the Linux kernel, GCC did not yet > support all of the KASAN-related compiler options. Thus, the KASAN > Makefile had to probe the compiler for supported options. > > Nowadays, the Linux kernel GCC version requirement is 5.1+, and thus we > don't need the probing of the -fasan-shadow-offset parameter: it exists i= n > all 5.1+ GCCs. > > Simplify the KASAN Makefile to drop CFLAGS_KASAN_MINIMAL. > > Also add a few more comments and unify the indentation. > > Signed-off-by: Andrey Konovalov Applied to `rust-next` for the Rust KASAN patch series. Thanks everyone! (Andrew is also carrying it, but we agreed to do that). Cheers, Miguel