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Commit 8324c3d5 authored by Zenghui Yu's avatar Zenghui Yu Committed by Marc Zyngier
Browse files

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Some comments in virt/kvm/arm/mmu.c are outdated.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: default avatarZenghui Yu <yuzenghui@huawei.com>
Reviewed-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
[maz: commit message tidy-up]
Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent d9ea27a3

virt/kvm/arm/mmu.c

+9 −14
Original line number Diff line number Diff line
@@ -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.
@@ -1482,8 +1479,6 @@ static void stage2_wp_pmds(struct kvm *kvm, pud_t *pud, 
 * @pgd:	pointer to pgd entry

 * @addr:	range start address

 * @end:	range end address

  *

  * Process PUD entries, for a huge PUD we cause a panic.

 */

static void  stage2_wp_puds(struct kvm *kvm, pgd_t *pgd,

			    phys_addr_t addr, phys_addr_t end)