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Date: Thu, 25 Sep 2025 20:34:55 -0700 Message-Id: <20250926033502.7486-17-kanchana.p.sridhar@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20250926033502.7486-1-kanchana.p.sridhar@intel.com> References: <20250926033502.7486-1-kanchana.p.sridhar@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: A2E1D120009 X-Stat-Signature: qecjy99hy9q8umfz6wy8zjgq3kfgatrh X-HE-Tag: 1758857719-106287 X-HE-Meta: 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 VGvozbTe VN0mwgucn9Q5J93vfqT5eR9M9bVXQg21srxop9Dur0sMYk5/3/4tBCGkgXKH+eORYpBgleMbH/vcbqN6+khwrAyqyWCtnCtwlaWE98h+bVy5OcSsUZOy4FV+Tc6Fl7tVaNrb671ObU80WQcGHBv/+cvNcH/1A0jpy4qvUtG7Pj9mWDFmFT8KO3RpCN2Ak3DRUJCowSukjqpnMuuYLlWPPP6Z7HkBnLJmjkC6F 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 c4f40984e9bf..5b933c138e50 100644 --- a/drivers/crypto/intel/iaa/iaa_crypto_main.c +++ b/drivers/crypto/intel/iaa/iaa_crypto_main.c @@ -120,7 +120,7 @@ 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