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Date: Sat, 24 Jan 2026 19:35:31 -0800 Message-Id: <20260125033537.334628-21-kanchana.p.sridhar@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20260125033537.334628-1-kanchana.p.sridhar@intel.com> References: <20260125033537.334628-1-kanchana.p.sridhar@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 8EA23140006 X-Stat-Signature: twk3mc8n9fprmoppmwmipinfbc9axs4t X-Rspam-User: X-HE-Tag: 1769312168-935942 X-HE-Meta: U2FsdGVkX1+in0sbwGacuOnvRfLmkIRoiGJiMN9tJrk/uKvjzCXcyNGgHm4t3schyi7joJd0RKs/s3N8GVLcUb0SMzUb1GjuaW1i0jwT/YcSl0ERpJEVN8JS/Ua8QE5gARm/pYdsqU+0FVTJOVWQJ1U4cMfLiCpsa08iPxCTAPbVv3RlsbGEtHl1U4lh39x9Gn1e4w5zhqL7g1VGyXFuQX1n4KHHrnuRTY6bxck8MAC46mqMrUkWowcaZF7iaoF8RWvzlVxUNCgPQ/0FbARER2msI4Zkxu+GNfliX15bsOD+c8NgJwQJdm67CV4xT06NtdnogkUKTsmZ7akBLAVbDQipmOBp7zCV7pUR1C/RPQWclKAXR0BSgPwS7kzeoApHPJqKdFXwzilMHD2Qywhl+d0iG99gg5IG4TREr//mEqVjtjYiESg1KTUhkH7JjrananZcZCSmBEWXpS779DjkdocSGd/qHiC3nCgkutwnUuejCy5/l9LD38j4PbhBjXHcZlexKzgLxDe/gXcQgx1KC9GNfq7bNQZyvirhDjzXaBrF5LC8V+fBFeCoyNK50xdavcGgPNMtzYz2oZ039as2Ngp3LVisp3mUWmyU/I0y0Yj5AW5KqqUOb+KerVSE0M/URa9L/+ao/ehNG77p6r1VOyJ5KCDW2DbNaOjUNCwKWaKdBlGMCINV/UU+HMJ2fK2kK2cqwvvmJNZfz2f/NA6lbv9PjU32tPqkJ82CgMwSV7E0JfhUS7mcIZ2lDX+zy+7kwBP5tJ92PNOzFn6Hkk2hD90IBO9yYQVrgiQ4WqgJYTe2q42mFeE6urku3MSWeOOHJ301Vr9XWJUr8kNwjfw+1lWg9UzQ/m7y+O3Rsuyi7ultxJRpij1WqEu4j5PR43YiJvdYqBB8gzOMgCnCbcgBfhiIoxzJ/I5SfckQA6uDzaD7tJsk+OC9X3Lx7hFLr6WMOrlfx8GEkTmMJg2lHUg EE0NlHg5 fYYG91oTF8i82YwLyWdu4BNCFMLnb2h7/zI4OZtO/FJLrexlBPJNlbnb8YB8VbN4G7BhmKT+ZAvwVoCAiHXE0bJKiv0IYfTsAy3aNAxWOO4VyXRtBIpTuUpqV9pYrlvgqHhpdtCf/6Bzl/nFXdBoLYoGnSNdbyiFjZqporUP61y/D6sbJhrNyK2CIo8hwFncX+aA4N9Jc64pngG3Xk+w7P8NrIyKHU34uBO2K 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: List-Subscribe: List-Unsubscribe: This patch makes it easier for IAA hardware acceleration in the iaa_crypto driver to be loaded by default with "iaa_verify_compress" disabled, to facilitate performance comparisons with software compressors (which also do not run compress verification by default). Earlier, iaa_crypto compress verification used to be enabled by default. The iaa_crypto driver documentation has been updated with this change. With this patch, if users want to enable compress verification, they can do so with these steps: 1) disable all the IAA device/wq bindings that happen at boot time 2) rmmod iaa_crypto 3) modprobe iaa_crypto 4) echo 1 > /sys/bus/dsa/drivers/crypto/verify_compress 5) re-run initialization of the IAA devices and wqs Signed-off-by: Kanchana P Sridhar --- Documentation/driver-api/crypto/iaa/iaa-crypto.rst | 2 +- drivers/crypto/intel/iaa/iaa_crypto_main.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/driver-api/crypto/iaa/iaa-crypto.rst b/Documentation/driver-api/crypto/iaa/iaa-crypto.rst index d5e610ef4612..81a7dbd15f8b 100644 --- a/Documentation/driver-api/crypto/iaa/iaa-crypto.rst +++ b/Documentation/driver-api/crypto/iaa/iaa-crypto.rst @@ -239,7 +239,7 @@ The available attributes are: echo 0 > /sys/bus/dsa/drivers/crypto/verify_compress - The default setting is '1' - verify all compresses. + The default setting is '0' - to not verify compresses. - sync_mode diff --git a/drivers/crypto/intel/iaa/iaa_crypto_main.c b/drivers/crypto/intel/iaa/iaa_crypto_main.c index f6e18f458fbf..7bc4a80bd68b 100644 --- a/drivers/crypto/intel/iaa/iaa_crypto_main.c +++ b/drivers/crypto/intel/iaa/iaa_crypto_main.c @@ -121,7 +121,7 @@ static bool iaa_distribute_decomps; static bool iaa_distribute_comps = true; /* Verify results of IAA compress or not */ -static bool iaa_verify_compress = true; +static bool iaa_verify_compress; /* * The iaa crypto driver supports three 'sync' methods determining how -- 2.27.0