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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 /drivers/firmware/microchip/Kconfig | |
| 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 'drivers/firmware/microchip/Kconfig')
| -rw-r--r-- | drivers/firmware/microchip/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/firmware/microchip/Kconfig b/drivers/firmware/microchip/Kconfig new file mode 100644 index 000000000..434b923e0 --- /dev/null +++ b/drivers/firmware/microchip/Kconfig @@ -0,0 +1,12 @@ +# SPDX-License-Identifier: GPL-2.0-only + +config POLARFIRE_SOC_AUTO_UPDATE + tristate "Microchip PolarFire SoC AUTO UPDATE" + depends on POLARFIRE_SOC_SYS_CTRL + select FW_LOADER + select FW_UPLOAD + help + Support for reprogramming PolarFire SoC from within Linux, using the + Auto Upgrade feature of the system controller. + + If built as a module, it will be called mpfs-auto-update. |