On Thu, Feb 27, 2025 at 01:47:26PM -0800, Roman Kisel wrote: > The first patch defines a specialized machine emergency restart > callback not to write to the physical address of 0x472 which is > what the native_machine_emergency_restart() does unconditionally. > > I first wanted to tweak that function[1], and in the course of > the discussion it looked as the risks of doing that would > outweigh the benefit: the bare-metal systems have likely adopted > that behavior as a standard although I could not find any mentions > of that magic address in the UEFI+ACPI specification. > > The second patch removes the need to always supply "reboot=t" > to the kernel command line in the OpenHCL bootloader[2]. There is > no other option at the moment; when/if it appears the newly added > callback's code can be adjusted as required. > > [1] > https://lore.kernel.org/all/20250109204352.1720337-1-rom...@linux.microsoft.com/ > [2] > https://github.com/microsoft/openvmm/blob/7a9d0e0a00461be6e5f3267af9ea54cc7157c900/openhcl/openhcl_boot/src/main.rs#L139 > > [V3]: > - Added verbs to the patch titles. > ** Thank you, Ingo!** > > [V2]: > https://lore.kernel.org/linux-hyperv/97010881-4b5e-4fb7-b8b3-b6c9e440e...@linux.microsoft.com/ > - Fixed the warning from the kernel robot about using C23. > ** Thank you, kernel robot!** > > - Tightened up wording in the comments and the commit > descriptions. > ** Thank you, Saurabh!** > > - Dropped the CC: stable tag as there is no specific commit > this patch series fixes. > ** Thank you, Saurabh!** > > [V1]: > https://lore.kernel.org/linux-hyperv/20250117210702.1529580-1-rom...@linux.microsoft.com/ > > Roman Kisel (2): > x86/hyperv: Add VTL mode emergency restart callback > x86/hyperv: Add VTL mode callback for restarting the system >
Applied to hyperv-next. Thanks.
