From: Eric Biggers <ebiggers@kernel.org>
To: Bjorn Andersson <andersson@kernel.org>
Cc: Abel Vesa <abel.vesa@linaro.org>,
Ulf Hansson <ulf.hansson@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Andy Gross <agross@kernel.org>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
Manivannan Sadhasivam <mani@kernel.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
Avri Altman <avri.altman@wdc.com>,
Bart Van Assche <bvanassche@acm.org>,
Adrian Hunter <adrian.hunter@intel.com>,
"James E . J . Bottomley" <jejb@linux.ibm.com>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
"David S . Miller" <davem@davemloft.net>,
linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-arm-msm@vger.kernel.org, linux-crypto@vger.kernel.org,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH v4 4/7] soc: qcom: Make the Qualcomm UFS/SDCC ICE a dedicated driver
Date: Mon, 27 Mar 2023 20:12:56 +0000 [thread overview]
Message-ID: <ZCH4yE9nmj/3e1Vx@gmail.com> (raw)
In-Reply-To: <20230327192704.ywczpr2otbwxnsh5@ripper>
On Mon, Mar 27, 2023 at 12:27:04PM -0700, Bjorn Andersson wrote:
>
> That's a valid reason that I was looking for. Wouldn't this be a common
> problem, something other parts of the stack would like to avoid?
> Or it's just a byte array until we get here?
>
> > It could be done with unaligned memory accesses, though, if you prefer that:
> >
>
> No need to jump through the hoops, but a comment would have saved
> (robbed?) me from wondering.
The parameter to qcom_ice_program_key() is 'const u8 crypto_key[]', which has no
inherent alignment in the type. It might be that the callers currently only
pass 4-byte aligned buffers, but I don't think that should be relied on here.
- Eric
next prev parent reply other threads:[~2023-03-27 20:13 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-27 13:47 [PATCH v4 0/7] Add dedicated Qcom ICE driver Abel Vesa
2023-03-27 13:47 ` [PATCH v4 1/7] dt-bindings: crypto: Add Qualcomm Inline Crypto Engine Abel Vesa
2023-03-27 17:50 ` Eric Biggers
2023-03-27 13:47 ` [PATCH v4 2/7] dt-bindings: mmc: sdhci-msm: Add ICE phandle Abel Vesa
2023-03-27 14:44 ` Krzysztof Kozlowski
2023-03-27 17:52 ` Eric Biggers
2023-03-27 13:47 ` [PATCH v4 3/7] dt-bindings: ufs: qcom: " Abel Vesa
2023-03-27 14:45 ` Krzysztof Kozlowski
2023-03-27 13:47 ` [PATCH v4 4/7] soc: qcom: Make the Qualcomm UFS/SDCC ICE a dedicated driver Abel Vesa
2023-03-27 18:01 ` Eric Biggers
2023-03-27 18:53 ` Bjorn Andersson
2023-03-27 19:09 ` Eric Biggers
2023-03-27 19:27 ` Bjorn Andersson
2023-03-27 20:12 ` Eric Biggers [this message]
2023-03-27 13:47 ` [PATCH v4 5/7] scsi: ufs: ufs-qcom: Switch to the new ICE API Abel Vesa
2023-03-27 18:19 ` Eric Biggers
2023-03-31 5:13 ` Abel Vesa
2023-03-27 13:47 ` [PATCH v4 6/7] mmc: sdhci-msm: " Abel Vesa
2023-03-27 18:32 ` Eric Biggers
2023-03-31 5:04 ` Abel Vesa
2023-03-27 21:58 ` kernel test robot
2023-03-27 13:47 ` [PATCH v4 7/7] arm64: dts: qcom: sm8550: Add the Inline Crypto Engine node Abel Vesa
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