From: Christoph Hellwig <hch@lst.de>
To: Andy Gross <agross@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Andrew Morton <akpm@linux-foundation.org>,
Uladzislau Rezki <urezki@gmail.com>
Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
iommu@lists.linux.dev
Subject: revert dma-mapping and vmap API abuse in qcom_q6v5_mss
Date: Fri, 23 Dec 2022 10:27:01 +0100 [thread overview]
Message-ID: <20221223092703.61927-1-hch@lst.de> (raw)
Hi all,
this series reverts a completely broken commit to qcom_q6v5_mss the
abuses the dma-mapping and vmap APIs in multiple, and mostly clearly
documented ways, and then adds a patch to document and reject the
so far undocumented API abuse.
Diffstat:
drivers/remoteproc/qcom_q6v5_mss.c | 38 +++++--------------------------------
mm/vmalloc.c | 3 ++
2 files changed, 9 insertions(+), 32 deletions(-)
next reply other threads:[~2022-12-23 9:27 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-23 9:27 Christoph Hellwig [this message]
2022-12-23 9:27 ` [PATCH 1/2] Revert "remoteproc: qcom_q6v5_mss: map/unmap metadata region before/after use" Christoph Hellwig
2022-12-23 14:47 ` Manivannan Sadhasivam
2022-12-23 14:57 ` Christoph Hellwig
2022-12-23 15:40 ` Manivannan Sadhasivam
2022-12-23 15:51 ` Christoph Hellwig
2022-12-23 9:27 ` [PATCH 2/2] vmalloc: reject vmap with VM_FLUSH_RESET_PERMS Christoph Hellwig
2022-12-23 10:24 ` Lorenzo Stoakes
2022-12-23 14:03 ` Christoph Hellwig
2022-12-23 14:10 ` Lorenzo Stoakes
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