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From: Dhananjay Phadke <dphadke@linux.microsoft.com>
To: allen.lkml@gmail.com
Cc: apais@linux.microsoft.com, jens.wiklander@linaro.org,
	linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org,
	op-tee@lists.trustedfirmware.org, zajec5@gmail.com,
	linux-arm-kernel@lists.infradead.org,
	bcm-kernel-feedback-list@broadcom.com
Subject: [PATCH 0/2] optee: fix OOM seen due to tee_shm_free()
Date: Thu, 18 Feb 2021 10:12:38 -0800	[thread overview]
Message-ID: <1613671958-1307-1-git-send-email-dphadke@linux.microsoft.com> (raw)
In-Reply-To: <20210217092714.121297-1-allen.lkml@gmail.com>

From: Allen Pais <apais@linux.microsoft.com>

On Wed, 17 Feb 2021 14:57:12 +0530, Allen Pais wrote:
> 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() in optee core as well as bnxt firmware driver
> to handle the release of the buffers correctly.
>     
> More info:
> https://github.com/OP-TEE/optee_os/issues/3637

CC: linux-kernel@vger.kernel.org instead of linux-mips?
TEE / TrustZone is ARM.

Also, for Broadcom specific -
CC: bcm-kernel-feedback-list@broadcom.com


  parent reply	other threads:[~2021-02-18 19:24 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-17  9:27 [PATCH 0/2] optee: fix OOM seen due to tee_shm_free() Allen Pais
2021-02-17  9:27 ` [PATCH 1/2] optee: fix tee out of memory failure seen during kexec reboot Allen Pais
2021-02-18 20:03   ` Dhananjay Phadke
2021-02-22 12:45   ` Allen Pais
2021-02-23  8:19     ` Jens Wiklander
2021-02-23 16:26       ` Allen Pais
2021-02-24  8:15         ` Jens Wiklander
2021-02-24 16:53           ` Allen Pais
2021-02-17  9:27 ` [PATCH 2/2] firmware: tee_bnxt: implement shutdown method to handle kexec reboots Allen Pais
2021-02-18 18:12 ` Dhananjay Phadke [this message]
2021-02-23  6:17 ` [PATCH 0/2] optee: fix OOM seen due to tee_shm_free() Allen Pais

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