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Re: [PATCH][4.17] EFI: don't convert memory marked for runtime use to ordinary RAM
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Luca Fancellu <Luca.Fancellu@xxxxxxx>
- Date: Fri, 30 Sep 2022 12:47:57 +0000
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Henry Wang <Henry.Wang@xxxxxxx>
- Delivery-date: Fri, 30 Sep 2022 12:48:34 +0000
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- Thread-topic: [PATCH][4.17] EFI: don't convert memory marked for runtime use to ordinary RAM
> On 30 Sep 2022, at 08:50, Jan Beulich <jbeulich@xxxxxxxx> wrote:
>
> efi_init_memory() in both relevant places is treating EFI_MEMORY_RUNTIME
> higher priority than the type of the range. To avoid accessing memory at
> runtime which was re-used for other purposes, make
> efi_arch_process_memory_map() follow suit. While on x86 in theory the
> same would apply to EfiACPIReclaimMemory, we don't actually "reclaim"
> E820_ACPI memory there and hence that type's handling can be left alone.
>
> Fixes: bf6501a62e80 ("x86-64: EFI boot code")
> Fixes: facac0af87ef ("x86-64: EFI runtime code")
> Fixes: 6d70ea10d49f ("Add ARM EFI boot support")
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> ---
Hi Jan,
For the Arm part:
Reviewed-by: Luca Fancellu <luca.fancellu@xxxxxxx>
I’ve also tested the EFI+ACPI boot on two arm boards
Tested-By: Luca Fancellu <luca.fancellu@xxxxxxx>
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