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Sat, 01 Aug 2026 01:44:31 -0700 (PDT) X-Received: by 2002:a17:902:e551:b0:2cc:92ae:b36 with SMTP id d9443c01a7336-2d047e88baemr43813655ad.24.1785573871108; Sat, 01 Aug 2026 01:44:31 -0700 (PDT) Received: from ZBook.gateway ([123.208.39.53]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3153dd9c1casm14633037eec.10.2026.08.01.01.44.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 01 Aug 2026 01:44:30 -0700 (PDT) From: Changwei Zou To: herbert@gondor.apana.org.au Cc: Martin.Kepplinger-Novakovic@ginzinger.com, changwei.zou@canonical.com, davem@davemloft.net, ignat@linux.win, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, lukas@wunner.de, martink@posteo.de Subject: Re: [PATCH v5] crypto: rsassa-pkcs1 - Avoid cacheline sharing with underlying driver Date: Sat, 1 Aug 2026 18:44:23 +1000 Message-ID: <20260801084423.10948-1-changwei.zou@canonical.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Herbert, Please see the CAAM driver shown below. Thank you very much for your guidance and support. (gdb) bt #0 rsa_edesc_alloc () at drivers/crypto/caam/caampkc.c:294 #1 caam_rsa_enc () at drivers/crypto/caam/caampkc.c:733 #2 crypto_akcipher_encrypt () at include/crypto/akcipher.h:279 #3 rsassa_pkcs1_verify () at crypto/rsassa-pkcs1.c:266 Kind regards, Changwei