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().
next prev 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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