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arm64: KVM: Fix outdated comment about VTCR_EL2.PS

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Commit 87366d8cf7 ("arm64: Add boot time configuration of
Intermediate Physical Address size") removed the hardcoded setting
of VTCR_EL2.PS to use ID_AA64MMFR0_EL1.PARange instead, but didn't
remove the (now rather misleading) comment.

Fix the comments to match reality (at least for the next few minutes).

Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
This commit is contained in:
Marc Zyngier 2015-03-10 19:07:01 +00:00 committed by Christoffer Dall
parent 04b8dc85bf
commit 84ed7412b5
1 changed files with 3 additions and 2 deletions
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5
arch/arm64/include/asm/kvm_arm.h
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@ -129,6 +129,9 @@
* 40 bits wide (T0SZ = 24). Systems with a PARange smaller than 40 bits are
* not known to exist and will break with this configuration.
*
* VTCR_EL2.PS is extracted from ID_AA64MMFR0_EL1.PARange at boot time
* (see hyp-init.S).
*
* Note that when using 4K pages, we concatenate two first level page tables
* together.
*
@ -138,7 +141,6 @@
#ifdef CONFIG_ARM64_64K_PAGES
/*
* Stage2 translation configuration:
* 40bits output (PS = 2)
* 40bits input (T0SZ = 24)
* 64kB pages (TG0 = 1)
* 2 level page tables (SL = 1)
@ -150,7 +152,6 @@
#else
/*
* Stage2 translation configuration:
* 40bits output (PS = 2)
* 40bits input (T0SZ = 24)
* 4kB pages (TG0 = 0)
* 3 level page tables (SL = 1)