Linux defconfig #1494
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Linux defconfig #1494
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Some HP laptops have a message about enabling RMI4 and Synaptic for better touchpad support, so do so. Some Dells have an i2c-connected touchpad that is "better" than just the psmouse, so enable more drivers for that - hid-multitouch & i2c_hid_acpi. More input stuff is enabled since it seemed necessary and then also others may be encountered in the future. Note that intel-hid and intel-vbtn are not enabled. They can generate KEY_POWER for the power button. However, instead of xcpmd seeing that, vglass sees it and passed it to the guest. So you can shutdown just uivm and not the platform. Just don't include the driver.
It's not shown, but the selected options allow enabling XEN_UNPOPULATED_ALLOC. This seems to have fixed random packet corruption seen with newer laptops. Seen with SSH, the first 128 bytes were good - those are handled by grant copy. The subsequent bytes would be wrong - zero or random - and those would fail the SSH MAC check.
crogers1
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Aug 7, 2025
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This defconfig change is significantly larger than what the associated commits are talking about. I would just double check to make sure this is the intended change. If so, any idea how much larger this makes the dom0 kernel?
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This PR is a series of changes to kernel defconfigs for Dom0 and the NDVM.