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3c163f35bd
In the error recovery path (AER, firmware recovery, etc), the driver notifies the RoCE driver via ULP_STOP before the reset and via ULP_START after the reset, all under RTNL_LOCK. The RoCE driver can take a long time if there are a lot of QPs to destroy, so it is not ideal to hold the global RTNL lock. Rely on the new en_dev_lock mutex instead for ULP_STOP and ULP_START. For the most part, we move the ULP_STOP call before we take the RTNL lock and move the ULP_START after RTNL unlock. Note that SRIOV re-enablement must be done after ULP_START or RoCE on the VFs will not resume properly after reset. The one scenario in bnxt_hwrm_if_change() where the RTNL lock is already taken in the .ndo_open() context requires the ULP restart to be deferred to the bnxt_sp_task() workqueue. Reviewed-by: Selvin Thyparampil Xavier <selvin.xavier@broadcom.com> Reviewed-by: Vikas Gupta <vikas.gupta@broadcom.com> Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://lore.kernel.org/r/20240501003056.100607-6-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| mm | ||
| net | ||
| rust | ||
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| virt | ||
| .clang-format | ||
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| .get_maintainer.ignore | ||
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| .mailmap | ||
| .rustfmt.toml | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.