From: Martin Habets <habetsm.xilinx@gmail.com>
To: alejandro.lucero-palau@amd.com
Cc: linux-cxl@vger.kernel.org, netdev@vger.kernel.org,
dan.j.williams@intel.com, martin.habets@xilinx.com,
edward.cree@amd.com, davem@davemloft.net, kuba@kernel.org,
pabeni@redhat.com, edumazet@google.com, dave.jiang@intel.com,
Alejandro Lucero <alucerop@amd.com>
Subject: Re: [PATCH v6 25/28] sfc: specify no dax when cxl region is created
Date: Tue, 3 Dec 2024 14:38:49 +0000 [thread overview]
Message-ID: <20241203143849.GI778635@gmail.com> (raw)
In-Reply-To: <20241202171222.62595-26-alejandro.lucero-palau@amd.com>
On Mon, Dec 02, 2024 at 05:12:19PM +0000, alejandro.lucero-palau@amd.com wrote:
>
> From: Alejandro Lucero <alucerop@amd.com>
>
> The CXL memory should not be used by the host in any case except for
> what the driver allows. Tell the cxl core to not create a DAX device
> using the avoid dax at region creation time.
>
> Signed-off-by: Alejandro Lucero <alucerop@amd.com>
Reviewed-by: Martin Habets <habetsm.xilinx@gmail.com>
> ---
> drivers/net/ethernet/sfc/efx_cxl.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/sfc/efx_cxl.c b/drivers/net/ethernet/sfc/efx_cxl.c
> index 3e44c31daf36..71b32fc48ca7 100644
> --- a/drivers/net/ethernet/sfc/efx_cxl.c
> +++ b/drivers/net/ethernet/sfc/efx_cxl.c
> @@ -128,7 +128,7 @@ int efx_cxl_init(struct efx_probe_data *probe_data)
> goto err3;
> }
>
> - cxl->efx_region = cxl_create_region(cxl->cxlrd, cxl->cxled);
> + cxl->efx_region = cxl_create_region(cxl->cxlrd, cxl->cxled, true);
> if (!cxl->efx_region) {
> pci_err(pci_dev, "CXL accel create region failed");
> rc = PTR_ERR(cxl->efx_region);
> --
> 2.17.1
>
>
next prev parent reply other threads:[~2024-12-03 14:39 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-02 17:11 [PATCH v6 00/28] cxl: add type2 device basic support alejandro.lucero-palau
2024-12-02 17:11 ` [PATCH v6 01/28] " alejandro.lucero-palau
2024-12-02 17:11 ` [PATCH v6 02/28] sfc: add cxl support using new CXL API alejandro.lucero-palau
2024-12-03 14:21 ` Martin Habets
2024-12-03 20:33 ` Edward Cree
2024-12-04 9:30 ` Alejandro Lucero Palau
2024-12-02 17:11 ` [PATCH v6 03/28] cxl: add capabilities field to cxl_dev_state and cxl_port alejandro.lucero-palau
2024-12-03 4:50 ` kernel test robot
2024-12-03 22:24 ` Fan Ni
2024-12-02 17:11 ` [PATCH v6 04/28] cxl/pci: add check for validating capabilities alejandro.lucero-palau
2024-12-03 18:37 ` Zhi Wang
2024-12-03 18:55 ` Alejandro Lucero Palau
2024-12-03 22:55 ` Fan Ni
2024-12-04 8:58 ` Alejandro Lucero Palau
2024-12-02 17:11 ` [PATCH v6 05/28] cxl: move pci generic code alejandro.lucero-palau
2024-12-03 22:59 ` Fan Ni
2024-12-02 17:12 ` [PATCH v6 06/28] cxl: add function for type2 cxl regs setup alejandro.lucero-palau
2024-12-04 2:27 ` Fan Ni
2024-12-02 17:12 ` [PATCH v6 07/28] sfc: use cxl api for regs setup and checking alejandro.lucero-palau
2024-12-03 14:24 ` Martin Habets
2024-12-03 18:41 ` Zhi Wang
2024-12-02 17:12 ` [PATCH v6 08/28] cxl: add functions for resource request/release by a driver alejandro.lucero-palau
2024-12-03 18:42 ` Zhi Wang
2024-12-06 3:35 ` Fan Ni
2024-12-06 4:00 ` Kalesh Anakkur Purayil
2024-12-09 9:07 ` Alejandro Lucero Palau
2024-12-02 17:12 ` [PATCH v6 09/28] sfc: request cxl ram resource alejandro.lucero-palau
2024-12-03 14:25 ` Martin Habets
2024-12-06 4:10 ` Fan Ni
2024-12-06 4:28 ` Kalesh Anakkur Purayil
2024-12-09 9:12 ` Alejandro Lucero Palau
2024-12-02 17:12 ` [PATCH v6 10/28] cxl: harden resource_contains checks to handle zero size resources alejandro.lucero-palau
2024-12-02 17:12 ` [PATCH v6 11/28] cxl: add function for setting media ready by a driver alejandro.lucero-palau
2024-12-02 17:12 ` [PATCH v6 12/28] sfc: set cxl media ready alejandro.lucero-palau
2024-12-03 14:26 ` Martin Habets
2024-12-02 17:12 ` [PATCH v6 13/28] cxl: prepare memdev creation for type2 alejandro.lucero-palau
2024-12-06 16:56 ` Fan Ni
2024-12-09 9:14 ` Alejandro Lucero Palau
2024-12-02 17:12 ` [PATCH v6 14/28] sfc: create type2 cxl memdev alejandro.lucero-palau
2024-12-03 14:27 ` Martin Habets
2024-12-06 17:12 ` Fan Ni
2024-12-02 17:12 ` [PATCH v6 15/28] cxl: define a driver interface for HPA free space enumeration alejandro.lucero-palau
2024-12-03 9:44 ` kernel test robot
2024-12-06 19:48 ` Fan Ni
2024-12-09 9:22 ` Alejandro Lucero Palau
2024-12-02 17:12 ` [PATCH v6 16/28] sfc: obtain root decoder with enough HPA free space alejandro.lucero-palau
2024-12-03 2:34 ` kernel test robot
2024-12-03 14:34 ` Martin Habets
2024-12-03 15:24 ` Alejandro Lucero Palau
2024-12-06 21:36 ` Fan Ni
2024-12-09 9:24 ` Alejandro Lucero Palau
2024-12-02 17:12 ` [PATCH v6 17/28] cxl: define a driver interface for DPA allocation alejandro.lucero-palau
2024-12-02 17:12 ` [PATCH v6 18/28] sfc: get endpoint decoder alejandro.lucero-palau
2024-12-03 14:35 ` Martin Habets
2024-12-09 17:39 ` Fan Ni
2024-12-02 17:12 ` [PATCH v6 19/28] cxl: make region type based on endpoint type alejandro.lucero-palau
2024-12-09 18:03 ` Fan Ni
2024-12-02 17:12 ` [PATCH v6 20/28] cxl/region: factor out interleave ways setup alejandro.lucero-palau
2024-12-02 17:12 ` [PATCH v6 21/28] cxl/region: factor out interleave granularity setup alejandro.lucero-palau
2024-12-02 17:12 ` [PATCH v6 22/28] cxl: allow region creation by type2 drivers alejandro.lucero-palau
2024-12-02 17:12 ` [PATCH v6 23/28] sfc: create cxl region alejandro.lucero-palau
2024-12-03 14:37 ` Martin Habets
2024-12-03 15:25 ` Alejandro Lucero Palau
2024-12-04 8:33 ` Martin Habets
2024-12-02 17:12 ` [PATCH v6 24/28] cxl: add region flag for precluding a device memory to be used for dax alejandro.lucero-palau
2024-12-03 18:50 ` Zhi Wang
2024-12-02 17:12 ` [PATCH v6 25/28] sfc: specify no dax when cxl region is created alejandro.lucero-palau
2024-12-03 14:38 ` Martin Habets [this message]
2024-12-02 17:12 ` [PATCH v6 26/28] cxl: add function for obtaining region range alejandro.lucero-palau
2024-12-03 18:53 ` Zhi Wang
2024-12-09 9:48 ` Alejandro Lucero Palau
2024-12-09 16:29 ` Zhi Wang
2024-12-09 17:47 ` Alejandro Lucero Palau
2024-12-02 17:12 ` [PATCH v6 27/28] sfc: update MCDI protocol headers alejandro.lucero-palau
2024-12-03 14:41 ` Martin Habets
2024-12-03 17:38 ` Edward Cree
2024-12-02 17:12 ` [PATCH v6 28/28] sfc: support pio mapping based on cxl alejandro.lucero-palau
2024-12-03 14:52 ` Martin Habets
2024-12-03 15:30 ` Alejandro Lucero Palau
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