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| author | Zeng Chi <zengchi@kylinos.cn> | 2026-09-21 18:24:42 +0800 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2026-09-22 08:36:16 -0700 |
| commit | 119e9db233ad0f4cbd4cfb9f9385a7bca378b37d (patch) | |
| tree | 660d50d4139cb750fbde1ae3432452c20726c99d /Documentation/ABI/testing/sysfs-class-issei | |
| download | linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.tar.gz linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.zip | |
KVM: Don't pre-reserve xarray entries when storing empty/NULL attributesgrafted
Skip the xarray reservation loop when clearing all memory attributes, as
storing NULL only erases the entry and never needs to allocate, so no
reservation (and no cleanup of a failed one) is required in that case.
Suggested-by: Sean Christopherson <seanjc@google.com>
Cc: David Ballesteros <davimaba.v@proton.me>
Signed-off-by: Zeng Chi <zengchi@kylinos.cn>
Link: https://patch.msgid.link/20260921102442.1232375-1-zeng_chi911@163.com
[sean: split to separate patch]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-class-issei')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-issei | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-issei b/Documentation/ABI/testing/sysfs-class-issei new file mode 100644 index 000000000..73a01f462 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-issei @@ -0,0 +1,73 @@ +What: /sys/class/issei/ +Date: June 2026 +KernelVersion: 7.2 +Contact: Alexander Usyskin <alexander.usyskin@intel.com> +Description: + The issei/ class sub-directory belongs to issei device class + +What: /sys/class/issei/issei<N>/ +Date: June 2026 +KernelVersion: 7.2 +Contact: Alexander Usyskin <alexander.usyskin@intel.com> +Description: + The /sys/class/issei/isseiN directory is created for + each probed issei device + +What: /sys/class/issei/issei<N>/fw_ver +Date: June 2026 +KernelVersion: 7.2 +Contact: Alexander Usyskin <alexander.usyskin@intel.com> +Description: Display the ISSE firmware version. + + The version of the ISSE firmware is in format: + <major>.<minor>.<milestone>.<build_no>. + +What: /sys/class/issei/issei<N>/fw_clients +Date: June 2026 +KernelVersion: 7.2 +Contact: Alexander Usyskin <alexander.usyskin@intel.com> +Description: + The fw_clients directory stores all firmware clients on the + probed issei device + +What: /sys/class/issei/issei<N>/fw_clients/<M> +Date: June 2026 +KernelVersion: 7.2 +Contact: Alexander Usyskin <alexander.usyskin@intel.com> +Description: + The /sys/class/issei/isseiN/fw_client/M directory is created for + each firmware client on the probed issei device where M is the + id of firmware client. + +What: /sys/class/issei/issei<N>/fw_clients/<M>/id +Date: June 2026 +KernelVersion: 7.2 +Contact: Alexander Usyskin <alexander.usyskin@intel.com> +Description: Displays id of the firmware client + + The id of firmware client is it's number in client enumeration order, + starting from 1. + +What: /sys/class/issei/issei<N>/fw_clients/<M>/uuid +Date: June 2026 +KernelVersion: 7.2 +Contact: Alexander Usyskin <alexander.usyskin@intel.com> +Description: Displays uuid of the firmware client + + The universally unique identifier of the firmware client + +What: /sys/class/issei/issei<N>/fw_clients/<M>/mtu +Date: June 2026 +KernelVersion: 7.2 +Contact: Alexander Usyskin <alexander.usyskin@intel.com> +Description: Displays maximum transmission unit of the firmware client + + The maximum transmission unit (in bytes) used by the firmware client. + +What: /sys/class/issei/issei<N>/fw_clients/<M>/ver +Date: June 2026 +KernelVersion: 7.2 +Contact: Alexander Usyskin <alexander.usyskin@intel.com> +Description: Displays version of the firmware client + + The version of the firmware client |