Hi Will, Thanks for your advices, will accept all of them. On 2020/9/16 16:37, Will Deacon wrote: > On Wed, Sep 16, 2020 at 10:00:39AM +0800, Xiaofei Tan wrote: >> Fix following warnings caused by mismatch bewteen function parameters >> and comments. >> arch/arm64/kvm/mmu.c:128: warning: Function parameter or member 'mmu' not described in '__unmap_stage2_range' >> arch/arm64/kvm/mmu.c:128: warning: Function parameter or member 'may_block' not described in '__unmap_stage2_range' >> arch/arm64/kvm/mmu.c:128: warning: Excess function parameter 'kvm' description in '__unmap_stage2_range' >> arch/arm64/kvm/mmu.c:499: warning: Function parameter or member 'writable' not described in 'kvm_phys_addr_ioremap' >> arch/arm64/kvm/mmu.c:538: warning: Function parameter or member 'mmu' not described in 'stage2_wp_range' >> arch/arm64/kvm/mmu.c:538: warning: Excess function parameter 'kvm' description in 'stage2_wp_range' >> >> Signed-off-by: Xiaofei Tan <tanxiaofei@xxxxxxxxxx> >> --- >> arch/arm64/kvm/mmu.c | 6 ++++-- >> 1 file changed, 4 insertions(+), 2 deletions(-) >> >> diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c >> index e8a51799..909e995 100644 >> --- a/arch/arm64/kvm/mmu.c >> +++ b/arch/arm64/kvm/mmu.c >> @@ -114,9 +114,10 @@ static bool kvm_is_device_pfn(unsigned long pfn) >> */ >> /** >> * unmap_stage2_range -- Clear stage2 page table entries to unmap a range >> - * @kvm: The VM pointer >> + * @mmu: pointer to mmu structure to operate on >> * @start: The intermediate physical base address of the range to unmap >> * @size: The size of the area to unmap >> + * @may_block: The flag that if block is allowed here > > Whether or not we are permitted to block. > >> * >> * Clear a range of stage-2 mappings, lowering the various ref-counts. Must >> * be called while holding mmu_lock (unless for freeing the stage2 pgd before >> @@ -493,6 +494,7 @@ void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu) >> * @guest_ipa: The IPA at which to insert the mapping >> * @pa: The physical address of the device >> * @size: The size of the mapping >> + * @writable: If it is writable here > > Whether or not to create a writable mapping. > >> */ >> int kvm_phys_addr_ioremap(struct kvm *kvm, phys_addr_t guest_ipa, >> phys_addr_t pa, unsigned long size, bool writable) >> @@ -530,7 +532,7 @@ int kvm_phys_addr_ioremap(struct kvm *kvm, phys_addr_t guest_ipa, >> >> /** >> * stage2_wp_range() - write protect stage2 memory region range >> - * @kvm: The KVM pointer >> + * @mmu: pointer to mmu structure to operate on > > The KVM stage-2 MMU pointer. > > Will > > . > -- thanks tanxiaofei _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm