From: Suzuki K Poulose <suzuki.poulose@arm.com>
To: Sudeep Holla <sudeep.holla@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>,
Mike Leach <mike.leach@linaro.org>, Leo Yan <leo.yan@linaro.org>,
Anshuman Khandual <anshuman.khandual@arm.com>,
coresight@lists.linaro.org
Subject: Re: [PATCH v2] coresight: trbe: Move check for kernel page table isolation from EL0 to probe
Date: Fri, 4 Feb 2022 12:02:13 +0000 [thread overview]
Message-ID: <0c235c48-49b3-42ee-f65b-0043b599bcd3@arm.com> (raw)
In-Reply-To: <20220203190159.3145272-1-sudeep.holla@arm.com>
On 03/02/2022 19:01, Sudeep Holla wrote:
> Currently with the check present in the module initialisation, it shouts
> on all the systems irrespective of presence of coresight trace buffer
> extensions.
>
> Similar to Arm SPE perf driver, move the check for kernel page table
> isolation from EL0 to the device probe stage instead of the module
> initialisation so that it complains only on the systems that support TRBE.
>
> Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
> Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
> Cc: Mike Leach <mike.leach@linaro.org>
> Cc: Leo Yan <leo.yan@linaro.org>
> Cc: Anshuman Khandual <anshuman.khandual@arm.com>
> Cc: coresight@lists.linaro.org
> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Thanks, I have now queued this.
https://git.kernel.org/coresight/c/ebbce265bba164c4f0d5271c277a540bd3b2fd3c
Kind regards
Suzuki
prev parent reply other threads:[~2022-02-04 12:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-03 19:01 Sudeep Holla
2022-02-04 2:50 ` Anshuman Khandual
2022-02-04 12:02 ` Suzuki K Poulose [this message]
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