Take the newly introduced EFI_MEMORY_HOT_PLUGGABLE memory attribute into
account when placing the kernel image in memory at boot. Otherwise, the
presence of the kernel image could prevent such a memory region from
being unplugged at runtime if it was 'cold plugged', i.e., already
plugged in at boot time (and exposed via the EFI memory map)
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Merge tag 'efi-fixes-for-v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
"Take the newly introduced EFI_MEMORY_HOT_PLUGGABLE memory attribute
into account when placing the kernel image in memory at boot.
Otherwise, the presence of the kernel image could prevent such a
memory region from being unplugged at runtime if it was 'cold
plugged', i.e., already plugged in at boot time (and exposed via the
EFI memory map).
This should ensure that the new EFI_MEMORY_HOT_PLUGGABLE memory
attribute is used consistently by Linux before it ever turns up in
production, ensuring that we can make meaningful use of it without
running the risk of regressing existing users"
* tag 'efi-fixes-for-v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: Use BIT_ULL() constants for memory attributes
efi: Avoid cold plugged memory for placing the kernel
c7ab7b2a18