Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | Date | Wed, 8 Dec 2021 17:45:53 +0000 | From | Will Deacon <> | Subject | Re: [PATCH 4/6] KVM: arm64: Make __io_map_base static |
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On Wed, Dec 08, 2021 at 03:22:57PM +0000, Quentin Perret wrote: > The __io_map_base variable is used at EL2 to track the end of the > hypervisor's "private" VA range in nVHE protected mode. However it > doesn't need to be used outside of mm.c, so let's make it static to keep > all the hyp VA allocation logic in one place. > > Signed-off-by: Quentin Perret <qperret@google.com> > --- > arch/arm64/kvm/hyp/include/nvhe/mm.h | 1 - > arch/arm64/kvm/hyp/nvhe/mm.c | 3 ++- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/kvm/hyp/include/nvhe/mm.h b/arch/arm64/kvm/hyp/include/nvhe/mm.h > index 3f60d6cc5368..2d08510c6cc1 100644 > --- a/arch/arm64/kvm/hyp/include/nvhe/mm.h > +++ b/arch/arm64/kvm/hyp/include/nvhe/mm.h > @@ -12,7 +12,6 @@ > > extern struct kvm_pgtable pkvm_pgtable; > extern hyp_spinlock_t pkvm_pgd_lock; > -extern u64 __io_map_base; > > int hyp_create_idmap(u32 hyp_va_bits); > int hyp_map_vectors(void); > diff --git a/arch/arm64/kvm/hyp/nvhe/mm.c b/arch/arm64/kvm/hyp/nvhe/mm.c > index 9e0ff5a700dd..526a7d6fa86f 100644 > --- a/arch/arm64/kvm/hyp/nvhe/mm.c > +++ b/arch/arm64/kvm/hyp/nvhe/mm.c > @@ -19,11 +19,12 @@ > > struct kvm_pgtable pkvm_pgtable; > hyp_spinlock_t pkvm_pgd_lock; > -u64 __io_map_base; > > struct memblock_region hyp_memory[HYP_MEMBLOCK_REGIONS]; > unsigned int hyp_memblock_nr; > > +static u64 __io_map_base; > + > static int __pkvm_create_mappings(unsigned long start, unsigned long size, > unsigned long phys, enum kvm_pgtable_prot prot)
Acked-by: Will Deacon <will@kernel.org>
Will
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