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KVM: arm/arm64: Comments cleanup in mmu.c
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Some comments in virt/kvm/arm/mmu.c are outdated.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>
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Zenghui Yu authored and Marc Zyngier committed Mar 28, 2019
1 parent d9ea27a commit 8324c3d
Showing 1 changed file with 9 additions and 14 deletions.
23 changes: 9 additions & 14 deletions virt/kvm/arm/mmu.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
{
Expand All @@ -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)
{
Expand Down Expand Up @@ -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.
Expand Down Expand Up @@ -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)
{
Expand Down

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