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KVM: arm/arm64: Comments cleanup in mmu.c 

Some comments in virt/kvm/arm/mmu.c are outdated. Update them to
reflect the current state of the code.

Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
[maz: commit message tidy-up]
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Zenghui Yu 2019-03-25 08:02:05 +00:00 committed by Marc Zyngier
parent d9ea27a330
commit 8324c3d518
1 changed files with 9 additions and 14 deletions
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23
virt/kvm/arm/mmu.c
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@ -102,8 +102,7 @@ static bool kvm_is_device_pfn(unsigned long pfn)
* @addr: IPA
* @pmd: pmd pointer for IPA
*
* Function clears a PMD entry, flushes addr 1st and 2nd stage TLBs. Marks all
* pages in the range dirty.
* Function clears a PMD entry, flushes addr 1st and 2nd stage TLBs.
*/
static void stage2_dissolve_pmd(struct kvm *kvm, phys_addr_t addr, pmd_t *pmd)
{
@ -121,8 +120,7 @@ static void stage2_dissolve_pmd(struct kvm *kvm, phys_addr_t addr, pmd_t *pmd)
* @addr: IPA
* @pud: pud pointer for IPA
*
* Function clears a PUD entry, flushes addr 1st and 2nd stage TLBs. Marks all
* pages in the range dirty.
* Function clears a PUD entry, flushes addr 1st and 2nd stage TLBs.
*/
static void stage2_dissolve_pud(struct kvm *kvm, phys_addr_t addr, pud_t *pudp)
{
@ -899,9 +897,8 @@ int create_hyp_exec_mappings(phys_addr_t phys_addr, size_t size,
* kvm_alloc_stage2_pgd - allocate level-1 table for stage-2 translation.
* @kvm: The KVM struct pointer for the VM.
*
* Allocates only the stage-2 HW PGD level table(s) (can support either full
* 40-bit input addresses or limited to 32-bit input addresses). Clears the
* allocated pages.
* Allocates only the stage-2 HW PGD level table(s) of size defined by
* stage2_pgd_size(kvm).
*
* Note we don't need locking here as this is only called when the VM is
* created, which can only be done once.
@ -1478,13 +1475,11 @@ static void stage2_wp_pmds(struct kvm *kvm, pud_t *pud,
}
/**
* stage2_wp_puds - write protect PGD range
* @pgd: pointer to pgd entry
* @addr: range start address
* @end: range end address
*
* Process PUD entries, for a huge PUD we cause a panic.
*/
* stage2_wp_puds - write protect PGD range
* @pgd: pointer to pgd entry
* @addr: range start address
* @end: range end address
*/
static void stage2_wp_puds(struct kvm *kvm, pgd_t *pgd,
phys_addr_t addr, phys_addr_t end)
{