From: Gavin Shan <gshan@redhat.com>
To: Andre Przywara <andre.przywara@arm.com>,
Lorenzo Pieralisi <lpieralisi@kernel.org>,
Hanjun Guo <guohanjun@huawei.com>,
Sudeep Holla <sudeep.holla@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Len Brown <lenb@kernel.org>, James Morse <james.morse@arm.com>,
Ben Horgan <ben.horgan@arm.com>,
Reinette Chatre <reinette.chatre@intel.com>,
Fenghua Yu <fenghuay@nvidia.com>
Cc: Jonathan Cameron <jic23@kernel.org>,
Srivathsa L Rao <srivathsa.rao@oss.qualcomm.com>,
Ganapatrao Kulkarni <ganapatrao.kulkarni@oss.qualcomm.com>,
Trilok Soni <tsoni@quicinc.com>,
Srinivas Ramana <sramana@qti.qualcomm.com>,
Niyas Sait <niyas.sait@arm.com>, Lee Trager <lee@trager.us>,
Ritwick Sharma <ritwick.sharma@arm.com>,
linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v7 05/11] arm_mpam: propagate MSC access errors for __ris_msmon_read()
Date: Tue, 4 Aug 2026 13:51:11 +1000 [thread overview]
Message-ID: <bfe951ad-9c41-419b-a042-79526dae028d@redhat.com> (raw)
In-Reply-To: <20260731170324.2927758-6-andre.przywara@arm.com>
On 8/1/26 3:03 AM, Andre Przywara wrote:
> Allow the function for RIS accesses to return an error, and propagate
> read and write errors from the lower level up.
> This function is a bit special, since it can be called via an SMP
> helper, so the prototype must stay as void. So propagate any errors
> using the "err" field in the struct passed in as the sole argument to
> that function.
>
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> Reviewed-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
> ---
> drivers/resctrl/mpam_devices.c | 36 +++++++++++++++++++++++++---------
> 1 file changed, 27 insertions(+), 9 deletions(-)
>
Reviewed-by: Gavin Shan <gshan@redhat.com>
next prev parent reply other threads:[~2026-08-04 3:51 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-31 17:03 [PATCH v7 00/11] arm_mpam: Add MPAM-Fb firmware support Andre Przywara
2026-07-31 17:03 ` [PATCH v7 01/11] arm_mpam: let low level MSC accessors return an error Andre Przywara
2026-08-04 3:38 ` Gavin Shan
2026-07-31 17:03 ` [PATCH v7 02/11] arm_mpam: propagate MSC access errors for hw_probe functions Andre Przywara
2026-08-04 3:42 ` Gavin Shan
2026-07-31 17:03 ` [PATCH v7 03/11] arm_mpam: propagate MSC access errors for MBWU counters Andre Przywara
2026-08-04 3:43 ` Gavin Shan
2026-07-31 17:03 ` [PATCH v7 04/11] arm_mpam: propagate MSC access errors for msmon helpers Andre Przywara
2026-08-04 3:48 ` Gavin Shan
2026-07-31 17:03 ` [PATCH v7 05/11] arm_mpam: propagate MSC access errors for __ris_msmon_read() Andre Przywara
2026-08-03 17:23 ` Ben Horgan
2026-08-03 22:13 ` Jonathan Cameron
2026-08-04 3:51 ` Gavin Shan [this message]
2026-07-31 17:03 ` [PATCH v7 06/11] arm_mpam: propagate MSC access errors for state saving function Andre Przywara
2026-08-03 22:17 ` Jonathan Cameron
2026-08-04 3:53 ` Gavin Shan
2026-07-31 17:03 ` [PATCH v7 07/11] arm_mpam: propagate MSC access errors for mpam_reprogram_ris_partid() Andre Przywara
2026-08-03 17:22 ` Ben Horgan
2026-08-03 22:28 ` Jonathan Cameron
2026-08-04 9:15 ` Andre Przywara
2026-08-04 3:56 ` Gavin Shan
2026-08-04 5:57 ` Srivathsa L Rao
2026-08-04 9:54 ` Andre Przywara
2026-07-31 17:03 ` [PATCH v7 08/11] arm_mpam: prepare mon_sel locking for MPAM-Fb Andre Przywara
2026-08-03 17:24 ` Ben Horgan
2026-08-04 3:58 ` Gavin Shan
2026-07-31 17:03 ` [PATCH v7 09/11] arm_mpam: add MPAM-Fb MSC firmware access support Andre Przywara
2026-08-04 6:09 ` Gavin Shan
2026-08-04 6:36 ` Gavin Shan
2026-07-31 17:03 ` [PATCH v7 10/11] arm_mpam: change MPAM-Fb error IRQ to use a threaded IRQ handler Andre Przywara
2026-08-03 17:30 ` Ben Horgan
2026-08-03 22:46 ` Jonathan Cameron
2026-08-04 8:09 ` Andre Przywara
2026-07-31 17:03 ` [PATCH v7 11/11] arm_mpam: detect and enable MPAM-Fb PCC support Andre Przywara
2026-08-03 10:49 ` Srivathsa L Rao
2026-08-03 13:37 ` Andre Przywara
2026-08-03 14:53 ` Andre Przywara
2026-08-03 17:04 ` [PATCH] FIX: avoid using mailbox client dev pointer for error prints Andre Przywara
2026-08-03 17:35 ` Ben Horgan
2026-08-04 3:29 ` [PATCH v7 00/11] arm_mpam: Add MPAM-Fb firmware support Gavin Shan
2026-08-04 8:50 ` Andre Przywara
2026-08-04 8:56 ` Gavin Shan
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