From: Edward Cree <ecree.xilinx@gmail.com>
To: alejandro.lucero-palau@amd.com, linux-cxl@vger.kernel.org,
netdev@vger.kernel.org, djbw@kernel.org, edward.cree@amd.com,
davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
edumazet@google.com, dave.jiang@intel.com
Cc: Alejandro Lucero <alucerop@amd.com>
Subject: Re: [PATCH v28 4/5] sfc: obtain and map cxl range using devm_cxl_probe_mem
Date: Fri, 19 Jun 2026 14:20:26 +0100 [thread overview]
Message-ID: <175fccd9-5353-4675-aa2d-09a98433c37e@gmail.com> (raw)
In-Reply-To: <20260618181806.118745-5-alejandro.lucero-palau@amd.com>
On 18/06/2026 19:18, alejandro.lucero-palau@amd.com wrote:
> From: Alejandro Lucero <alucerop@amd.com>
>
> Use core API for safely obtain the CXL range linked to an HDM committed
> by the BIOS. Map such a range for being used as the ctpio buffer.
>
> A potential user space action through sysfs unbinding or core cxl
> modules remove will trigger sfc driver device detachment, with that case
> not racing with this mapping as this is done during driver probe and
> therefore protected with device lock against those user space actions.
>
> Signed-off-by: Alejandro Lucero <alucerop@amd.com>
Acked-by: Edward Cree <ecree.xilinx@gmail.com>
next prev parent reply other threads:[~2026-06-19 13:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-18 18:18 [PATCH v28 0/5] Type2 device basic support alejandro.lucero-palau
2026-06-18 18:18 ` [PATCH v28 1/5] sfc: add cxl support alejandro.lucero-palau
2026-06-19 13:12 ` Edward Cree
2026-06-19 17:24 ` sashiko-bot
2026-06-18 18:18 ` [PATCH v28 2/5] cxl/sfc: Map cxl regs alejandro.lucero-palau
2026-06-19 13:14 ` Edward Cree
2026-06-19 17:24 ` sashiko-bot
2026-06-18 18:18 ` [PATCH v28 3/5] cxl/sfc: Initialize dpa without a mailbox alejandro.lucero-palau
2026-06-19 13:15 ` Edward Cree
2026-06-19 17:24 ` sashiko-bot
2026-06-18 18:18 ` [PATCH v28 4/5] sfc: obtain and map cxl range using devm_cxl_probe_mem alejandro.lucero-palau
2026-06-18 23:05 ` Dave Jiang
2026-06-19 13:20 ` Edward Cree [this message]
2026-06-19 17:24 ` sashiko-bot
2026-06-18 18:18 ` [PATCH v28 5/5] sfc: support pio mapping based on cxl alejandro.lucero-palau
2026-06-18 23:06 ` Dave Jiang
2026-06-19 13:23 ` Edward Cree
2026-06-19 17:24 ` sashiko-bot
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