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AJvYcCV7Q5HD8/F2OJmJOgVI5g66uG3GL3xM5ZZ9UW3PnpSEYq8HSViA4ci10/uYDuVhTKyPMdCZPi7V/Dn/@vger.kernel.org X-Gm-Message-State: AOJu0YwO9U7AgX3nyb71ksg/qDiOR9P+OvRNYdgjx+kdX4I3xf1yW6lS LFKMNHBUrjm1+4Y/vcBV9rhPGhpAC6+8o35TFHKAgWXSRCBQaDIqso8IdplaVVSnZZMnH5BAA7I kq1BeEzVs5bA9iIbTEk42yPr9gplROeXfj+PtmfU= X-Gm-Gg: ASbGncutCOWmf/BukhOuzgZ3727GnUtZXRjmwfPrOhFAbepVyZeLsJ1ZVKIbwN1RjBy Hc1VjCou4xviuEeIin9EyMlvYcgiOtHdQ+sbuVRdd5GYHG3fljcYeLy99Cdz0AHmJzJxtAUM7wu DPSBBthtXlXMtNSOumePHVc6vUV3ZWZ4LiRFAF2k6uS5OTbVzQG933BzsiFYrtgxrQoHgbCY/vJ zvbhdyx9bF2OzxGlJNyOFzWXalgwrvrKXBl9KTQ0O4J6Xm+/8Fx9xCMKQXFWDukfYcGq6f5YPo= X-Google-Smtp-Source: AGHT+IEDp/usYEtVSaz10lwwm2/rh8YYcBuxag2F0nuBjSfSMoio/EijPl9t2f1PGKCDHr/mRoxnx6oC2CKJ7h3r2Ic= X-Received: by 2002:a05:690c:31e:b0:782:9037:1491 with SMTP id 00721157ae682-7837780ba2dmr109813007b3.42.1760861461100; Sun, 19 Oct 2025 01:11:01 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20241202010844.144356-16-ebiggers@kernel.org> <20251019060845.553414-1-safinaskar@gmail.com> In-Reply-To: <20251019060845.553414-1-safinaskar@gmail.com> From: Askar Safin Date: Sun, 19 Oct 2025 11:10:25 +0300 X-Gm-Features: AS18NWAhDVf2aU8hB0qWERPwO9zi-ils_dPukaoQchmqqRauvEb3B93Zz-69KFg Message-ID: Subject: Re: [PATCH v4 15/19] lib/crc32: make crc32c() go directly to lib To: ebiggers@kernel.org Cc: ardb@kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, sparclinux@vger.kernel.org, x86@kernel.org, Greg Kroah-Hartman , stable@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sun, Oct 19, 2025 at 9:09=E2=80=AFAM Askar Safin = wrote: > > Eric Biggers : > > Now that the lower level __crc32c_le() library function is optimized fo= r > > This patch (i. e. 38a9a5121c3b ("lib/crc32: make crc32c() go directly to = lib")) > solves actual bug I found in practice. So, please, backport it > to stable kernels. Oops. I just noticed that this patch removes module "libcrc32c". And this breaks build for Debian kernel v6.12.48. Previously I tested minimal build using "make localmodconfig". Now I tried full build of Debian kernel using "dpkg-buildpackage". And it failed, because some of Debian files reference "libcrc32c", which is not available. So, please, don't backport this patch to stable kernels. I'm sorry. --=20 Askar Safin