From: Tyler Hicks <tyhicks@linux.microsoft.com> To: Jens Wiklander <jens.wiklander@linaro.org> Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, op-tee@lists.trustedfirmware.org, Sumit Garg <sumit.garg@linaro.org>, Herbert Xu <herbert@gondor.apana.org.au>, Sakkinen <jarkko.sakkinen@linux.intel.com>, Sasha Levin <sashal@kernel.org>, Thirupathaiah Annapureddy <thiruan@microsoft.com>, Vikas Gupta <vikas.gupta@broadcom.com>, "David S . Miller" <davem@davemloft.net> Subject: Re: [PATCH 4/7] hwrng: optee-rng: use tee_shm_alloc_kernel_buf() Date: Wed, 9 Jun 2021 09:51:53 -0500 [thread overview] Message-ID: <20210609145153.GH4910@sequoia> (raw) In-Reply-To: <20210609102324.2222332-5-jens.wiklander@linaro.org> On 2021-06-09 12:23:21, Jens Wiklander wrote: > Uses the new simplified tee_shm_alloc_kernel_buf() function instead of > the old deprecated tee_shm_alloc() function which required specific > TEE_SHM-flags. > > Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com> Tyler > --- > drivers/char/hw_random/optee-rng.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c > index 135a82590923..a948c0727b2b 100644 > --- a/drivers/char/hw_random/optee-rng.c > +++ b/drivers/char/hw_random/optee-rng.c > @@ -145,10 +145,10 @@ static int optee_rng_init(struct hwrng *rng) > struct optee_rng_private *pvt_data = to_optee_rng_private(rng); > struct tee_shm *entropy_shm_pool = NULL; > > - entropy_shm_pool = tee_shm_alloc(pvt_data->ctx, MAX_ENTROPY_REQ_SZ, > - TEE_SHM_MAPPED | TEE_SHM_DMA_BUF); > + entropy_shm_pool = tee_shm_alloc_kernel_buf(pvt_data->ctx, > + MAX_ENTROPY_REQ_SZ); > if (IS_ERR(entropy_shm_pool)) { > - dev_err(pvt_data->dev, "tee_shm_alloc failed\n"); > + dev_err(pvt_data->dev, "tee_shm_alloc_kernel_buf failed\n"); > return PTR_ERR(entropy_shm_pool); > } > > -- > 2.31.1 >
WARNING: multiple messages have this Message-ID (diff)
From: Tyler Hicks <tyhicks@linux.microsoft.com> To: Jens Wiklander <jens.wiklander@linaro.org> Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, op-tee@lists.trustedfirmware.org, Sumit Garg <sumit.garg@linaro.org>, Herbert Xu <herbert@gondor.apana.org.au>, Sakkinen <jarkko.sakkinen@linux.intel.com>, Sasha Levin <sashal@kernel.org>, Thirupathaiah Annapureddy <thiruan@microsoft.com>, Vikas Gupta <vikas.gupta@broadcom.com>, "David S . Miller" <davem@davemloft.net> Subject: Re: [PATCH 4/7] hwrng: optee-rng: use tee_shm_alloc_kernel_buf() Date: Wed, 9 Jun 2021 09:51:53 -0500 [thread overview] Message-ID: <20210609145153.GH4910@sequoia> (raw) In-Reply-To: <20210609102324.2222332-5-jens.wiklander@linaro.org> On 2021-06-09 12:23:21, Jens Wiklander wrote: > Uses the new simplified tee_shm_alloc_kernel_buf() function instead of > the old deprecated tee_shm_alloc() function which required specific > TEE_SHM-flags. > > Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com> Tyler > --- > drivers/char/hw_random/optee-rng.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c > index 135a82590923..a948c0727b2b 100644 > --- a/drivers/char/hw_random/optee-rng.c > +++ b/drivers/char/hw_random/optee-rng.c > @@ -145,10 +145,10 @@ static int optee_rng_init(struct hwrng *rng) > struct optee_rng_private *pvt_data = to_optee_rng_private(rng); > struct tee_shm *entropy_shm_pool = NULL; > > - entropy_shm_pool = tee_shm_alloc(pvt_data->ctx, MAX_ENTROPY_REQ_SZ, > - TEE_SHM_MAPPED | TEE_SHM_DMA_BUF); > + entropy_shm_pool = tee_shm_alloc_kernel_buf(pvt_data->ctx, > + MAX_ENTROPY_REQ_SZ); > if (IS_ERR(entropy_shm_pool)) { > - dev_err(pvt_data->dev, "tee_shm_alloc failed\n"); > + dev_err(pvt_data->dev, "tee_shm_alloc_kernel_buf failed\n"); > return PTR_ERR(entropy_shm_pool); > } > > -- > 2.31.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-06-09 14:52 UTC|newest] Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-09 10:23 [PATCH 0/7] tee: shared memory updates Jens Wiklander 2021-06-09 10:23 ` Jens Wiklander 2021-06-09 10:23 ` [PATCH 1/7] tee: remove unused tee_shm_pool_alloc_res_mem() Jens Wiklander 2021-06-09 10:23 ` Jens Wiklander 2021-06-09 14:03 ` Tyler Hicks 2021-06-09 14:03 ` Tyler Hicks 2021-06-09 10:23 ` [PATCH 2/7] tee: simplify shm pool handling Jens Wiklander 2021-06-09 10:23 ` Jens Wiklander 2021-06-09 14:50 ` Tyler Hicks 2021-06-09 14:50 ` Tyler Hicks 2021-06-10 9:01 ` Jens Wiklander 2021-06-10 9:01 ` Jens Wiklander 2021-06-09 10:23 ` [PATCH 3/7] tee: add tee_shm_alloc_kernel_buf() Jens Wiklander 2021-06-09 10:23 ` Jens Wiklander 2021-06-09 14:51 ` Tyler Hicks 2021-06-09 14:51 ` Tyler Hicks 2021-06-09 10:23 ` [PATCH 4/7] hwrng: optee-rng: use tee_shm_alloc_kernel_buf() Jens Wiklander 2021-06-09 10:23 ` Jens Wiklander 2021-06-09 14:51 ` Tyler Hicks [this message] 2021-06-09 14:51 ` Tyler Hicks 2021-06-09 10:23 ` [PATCH 5/7] tpm_ftpm_tee: " Jens Wiklander 2021-06-09 10:23 ` Jens Wiklander 2021-06-09 14:53 ` Tyler Hicks 2021-06-09 14:53 ` Tyler Hicks 2021-06-09 10:23 ` [PATCH 6/7] firmware: tee_bnxt: " Jens Wiklander 2021-06-09 10:23 ` Jens Wiklander 2021-06-09 14:58 ` Tyler Hicks 2021-06-09 14:58 ` Tyler Hicks 2021-06-10 9:08 ` Jens Wiklander 2021-06-10 9:08 ` Jens Wiklander 2021-06-09 10:23 ` [PATCH 7/7] tee: replace tee_shm_alloc() Jens Wiklander 2021-06-09 10:23 ` Jens Wiklander 2021-06-09 15:32 ` Tyler Hicks 2021-06-09 15:32 ` Tyler Hicks 2021-06-09 15:38 ` Tyler Hicks 2021-06-09 15:38 ` Tyler Hicks 2021-06-11 7:42 ` Jens Wiklander 2021-06-11 7:42 ` Jens Wiklander
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