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From: Jens Wiklander <jens.wiklander@linaro.org>
To: Tyler Hicks <tyhicks@linux.microsoft.com>
Cc: "Allen Pais" <apais@linux.microsoft.com>,
	"Sumit Garg" <sumit.garg@linaro.org>,
	"Peter Huewe" <peterhuewe@gmx.de>,
	"Jarkko Sakkinen" <jarkko@kernel.org>,
	"Jason Gunthorpe" <jgg@ziepe.ca>,
	"Vikas Gupta" <vikas.gupta@broadcom.com>,
	"Thirupathaiah Annapureddy" <thiruan@microsoft.com>,
	"Pavel Tatashin" <pasha.tatashin@soleen.com>,
	"Rafał Miłecki" <zajec5@gmail.com>,
	"OP-TEE TrustedFirmware" <op-tee@lists.trustedfirmware.org>,
	linux-integrity <linux-integrity@vger.kernel.org>,
	bcm-kernel-feedback-list@broadcom.com,
	linux-mips@vger.kernel.org,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4 3/8] optee: fix tee out of memory failure seen during kexec reboot
Date: Fri, 11 Jun 2021 11:11:33 +0200	[thread overview]
Message-ID: <CAHUa44H=vJrkYYTb2T8WPfy6TznQyO8a8wnLCbJUuSE8QO4iuw@mail.gmail.com> (raw)
In-Reply-To: <20210610210913.536081-4-tyhicks@linux.microsoft.com>

On Thu, Jun 10, 2021 at 11:09 PM Tyler Hicks
<tyhicks@linux.microsoft.com> wrote:
>
> From: Allen Pais <apais@linux.microsoft.com>
>
> The following out of memory errors are seen on kexec reboot
> from the optee core.
>
> [    0.368428] tee_bnxt_fw optee-clnt0: tee_shm_alloc failed
> [    0.368461] tee_bnxt_fw: probe of optee-clnt0 failed with error -22
>
> tee_shm_release() is not invoked on dma shm buffer.
>
> Implement .shutdown() method to handle the release of the buffers
> correctly.
>
> More info:
> https://github.com/OP-TEE/optee_os/issues/3637
>
> Signed-off-by: Allen Pais <apais@linux.microsoft.com>
> Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com>

Do we really need this considering the patch "optee: Refuse to load
the driver under the kdump kernel"?

Jens

  reply	other threads:[~2021-06-11  9:12 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-10 21:09 [PATCH v4 0/8] tee: Improve support for kexec and kdump Tyler Hicks
2021-06-10 21:09 ` [PATCH v4 1/8] optee: Fix memory leak when failing to register shm pages Tyler Hicks
2021-06-11  9:05   ` Jens Wiklander
2021-06-10 21:09 ` [PATCH v4 2/8] optee: Refuse to load the driver under the kdump kernel Tyler Hicks
2021-06-11  9:08   ` Jens Wiklander
2021-06-10 21:09 ` [PATCH v4 3/8] optee: fix tee out of memory failure seen during kexec reboot Tyler Hicks
2021-06-11  9:11   ` Jens Wiklander [this message]
2021-06-11 12:53     ` Tyler Hicks
2021-06-14  7:21       ` Jens Wiklander
2021-06-14  7:22   ` Jens Wiklander
2021-06-10 21:09 ` [PATCH v4 4/8] optee: Clear stale cache entries during initialization Tyler Hicks
2021-06-14  8:27   ` Jens Wiklander
2021-06-14 19:06     ` Tyler Hicks
2021-06-14 19:15       ` Jens Wiklander
2021-06-10 21:09 ` [PATCH v4 5/8] tee: add tee_shm_alloc_kernel_buf() Tyler Hicks
2021-06-10 21:09 ` [PATCH v4 6/8] tee: Support kernel shm registration without dma-buf backing Tyler Hicks
2021-06-11  5:16   ` Sumit Garg
2021-06-11 13:09     ` Tyler Hicks
2021-06-11 13:16       ` Tyler Hicks
2021-06-12  8:19         ` Sumit Garg
2021-06-13  8:16           ` Tyler Hicks
2021-06-14  4:59             ` Sumit Garg
2021-06-10 21:09 ` [PATCH v4 7/8] tpm_ftpm_tee: Free and unregister TEE shared memory during kexec Tyler Hicks
2021-06-15 13:04   ` Jarkko Sakkinen
2021-06-10 21:09 ` [PATCH v4 8/8] firmware: tee_bnxt: Release TEE shm, session, and context " Tyler Hicks

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