From 786bf7fdaca4c75e7eba6e9aa3a8b5775fd21186 Mon Sep 17 00:00:00 2001 From: Daniel Golle Date: Mon, 21 Mar 2022 01:16:48 +0000 Subject: kernel: delete Linux 5.4 config and patches As the upcoming release will be based on Linux 5.10 only, remove all kernel configuration as well as patches for Linux 5.4. There were no targets still actively using Linux 5.4. Signed-off-by: Daniel Golle (cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606) --- ...to-caam-increase-the-domain-of-write-memo.patch | 44 ---------------------- 1 file changed, 44 deletions(-) delete mode 100644 target/linux/layerscape/patches-5.4/804-crypto-0038-LF-838-crypto-caam-increase-the-domain-of-write-memo.patch (limited to 'target/linux/layerscape/patches-5.4/804-crypto-0038-LF-838-crypto-caam-increase-the-domain-of-write-memo.patch') diff --git a/target/linux/layerscape/patches-5.4/804-crypto-0038-LF-838-crypto-caam-increase-the-domain-of-write-memo.patch b/target/linux/layerscape/patches-5.4/804-crypto-0038-LF-838-crypto-caam-increase-the-domain-of-write-memo.patch deleted file mode 100644 index 7cc8c5f244..0000000000 --- a/target/linux/layerscape/patches-5.4/804-crypto-0038-LF-838-crypto-caam-increase-the-domain-of-write-memo.patch +++ /dev/null @@ -1,44 +0,0 @@ -From ada13fea4dcc8419e0523614b108635d8f689000 Mon Sep 17 00:00:00 2001 -From: Iuliana Prodan -Date: Mon, 17 Feb 2020 03:05:10 +0200 -Subject: [PATCH] LF-838: crypto: caam - increase the domain of write memory - barrier to full system -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -In caam_jr_enqueue, under heavy DDR load, smp_wmb() or dma_wmb() -fail to make the input ring be updated before the CAAM starts -reading it. So, CAAM will process, again, an old descriptor address -and will put it in the output ring. This will make caam_jr_dequeue() -to fail, since this old descriptor is not in the software ring. -To fix this, use wmb() which works on the full system instead of -inner/outer shareable domains. - -Signed-off-by: Iuliana Prodan -Reviewed-by: Horia Geantă -Signed-off-by: Leonard Crestez ---- - drivers/crypto/caam/jr.c | 10 +++++++++- - 1 file changed, 9 insertions(+), 1 deletion(-) - ---- a/drivers/crypto/caam/jr.c -+++ b/drivers/crypto/caam/jr.c -@@ -434,8 +434,16 @@ int caam_jr_enqueue(struct device *dev, - * Guarantee that the descriptor's DMA address has been written to - * the next slot in the ring before the write index is updated, since - * other cores may update this index independently. -+ * -+ * Under heavy DDR load, smp_wmb() or dma_wmb() fail to make the input -+ * ring be updated before the CAAM starts reading it. So, CAAM will -+ * process, again, an old descriptor address and will put it in the -+ * output ring. This will make caam_jr_dequeue() to fail, since this -+ * old descriptor is not in the software ring. -+ * To fix this, use wmb() which works on the full system instead of -+ * inner/outer shareable domains. - */ -- smp_wmb(); -+ wmb(); - - jrp->head = (head + 1) & (JOBR_DEPTH - 1); - -- cgit v1.2.3