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    SubjectRe: [PATCH] Revert "ACPICA: Interpreter: fix memory leak by using existing buffer"
    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 <robert.moore@intel.com>
    > Cc: Erik Kaneda <erik.kaneda@intel.com>
    > Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
    > Cc: Len Brown <lenb@kernel.org>
    > Reported-by: Shawn Guo <shawn.guo@linaro.org>
    > Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

    Tested-by: Shawn Guo <shawn.guo@linaro.org>

    Thanks for fixing the regression, Ard!

    Shawn

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