On Tue, 03 Mar, at 07:34:33AM, Ingo Molnar wrote:
>
> So why are interrupts disabled around page table operations to begin
> with? It's not like any of this can execute on two CPUs at once, nor
> can this be executed from interrupt context.
>
> So, shouldn't we only protect the EFI calls themse
From 160eef628f9e803ba62707ec7f610ea9f0f13984 Mon Sep 17 00:00:00 2001
From: Ingo Molnar
Date: Tue, 3 Mar 2015 07:31:56 +0100
Subject: [PATCH] efi: Disable interrupts around EFI calls, not in the
epilog/prolog calls
Tapasweni Pathak reported that we do a kmalloc() in efi_call_phys_prolog()
on x86-
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