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
>
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next prev parent reply other threads:[~2021-06-09 16:06 UTC|newest]
Thread overview: 19+ 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 ` [PATCH 1/7] tee: remove unused tee_shm_pool_alloc_res_mem() Jens Wiklander
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 14:50 ` Tyler Hicks
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 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 14:51 ` Tyler Hicks [this message]
2021-06-09 10:23 ` [PATCH 5/7] tpm_ftpm_tee: " Jens Wiklander
2021-06-09 14:53 ` Tyler Hicks
2021-06-09 10:23 ` [PATCH 6/7] firmware: tee_bnxt: " Jens Wiklander
2021-06-09 14:58 ` Tyler Hicks
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 15:32 ` Tyler Hicks
2021-06-09 15:38 ` Tyler Hicks
2021-06-11 7:42 ` Jens Wiklander
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