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From: Dhananjay Phadke <dphadke@linux.microsoft.com>
To: allen.lkml@gmail.com, jens.wiklander@linaro.org, zajec5@gmail.com
Cc: apais@linux.microsoft.com, linux-kernel@vger.kernel.org,
	linux-mips@vger.kernel.org, op-tee@lists.trustedfirmware.org,
	linux-arm-kernel@lists.infradead.org,
	bcm-kernel-feedback-list@broadcom.com
Subject: [PATCH 1/2] optee: fix tee out of memory failure seen during kexec reboot
Date: Thu, 18 Feb 2021 12:03:15 -0800	[thread overview]
Message-ID: <20210217092714.121297-2-allen.lkml@gmail.com> (raw)
Message-ID: <20210218200315.l1hRW9ujVzfHDXIc5_spnAJbiLk2xOvqtsGAusGYOfw@z> (raw)
In-Reply-To: <20210217092714.121297-2-allen.lkml@gmail.com>

From: Allen Pais <allen.lkml@gmail.com>

On Wed, 17 Feb 2021 14:57:12 +0530, Allen Pais wrote:
> -	/*
> -	 * Ask OP-TEE to free all cached shared memory objects to decrease
> -	 * reference counters and also avoid wild pointers in secure world
> -	 * into the old shared memory range.
> -	 */
> -	optee_disable_shm_cache(optee);
> +	if (shutdown) {
> +		optee_disable_shm_cache(optee);
> +	} else {
> +		/*
> +		 * Ask OP-TEE to free all cached shared memory
> +		 * objects to decrease reference counters and
> +		 * also avoid wild pointers in secure world
> +		 * into the old shared memory range.
> +		 */
> +		optee_disable_shm_cache(optee);
 
Calling optee_disable_shm_cache() in both if and else. It could be
put in front of if().


  parent reply	other threads:[~2021-02-18 20:08 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 ` Allen Pais [this message]
2021-02-18 20:03   ` [PATCH 1/2] optee: fix tee out of memory failure seen during kexec reboot 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 ` [PATCH 0/2] optee: fix OOM seen due to tee_shm_free() Dhananjay Phadke
2021-02-23  6:17 ` Allen Pais

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