On Sat, Feb 06, 2021 at 09:49:37AM +0100, Ard Biesheuvel wrote:
This reverts commit 32cf1a12cad43358e47dac8014379c2f33dfbed4.
The 'exisitng buffer' in this case is the firmware provided table, and
we should not modify that in place. This fixes a crash on arm64 with
initrd table overrides, in which case the DSDT is not mapped with
read/write permissions.
Cc: Robert Moore <redacted>
Cc: Erik Kaneda <redacted>
Cc: "Rafael J. Wysocki" <redacted>
Cc: Len Brown <lenb@kernel.org>
Reported-by: Shawn Guo <redacted>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Shawn Guo <redacted>
Thanks for fixing the regression, Ard!
Shawn
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