[PATCH 5/6] ARM: kvm: Use phys_addr_t instead of unsigned long in mm code
Marc Zyngier
marc.zyngier at arm.com
Fri Nov 15 06:58:50 EST 2013
On 14/11/13 19:37, Santosh Shilimkar wrote:
> The unsigned long datatype is not sufficient for mapping physical addresses
> greater than 4GB.
>
> So fix the KVM mm code accordingly. Special thanks to Christopher for debug
> help to figure out the bug.
>
> Cc: Christoffer Dall <christoffer.dall at linaro.org>
> Cc: Marc Zyngier <marc.zyngier at arm.com>
>
> Signed-off-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
Nice catch.
Acked-by: Marc Zyngier <marc.zyngier at arm.com>
M.
> ---
> arch/arm/kvm/mmu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
> index 3bd652f..657f15e 100644
> --- a/arch/arm/kvm/mmu.c
> +++ b/arch/arm/kvm/mmu.c
> @@ -318,7 +318,7 @@ out:
> */
> int create_hyp_mappings(void *from, void *to)
> {
> - unsigned long phys_addr = virt_to_phys(from);
> + phys_addr_t phys_addr = virt_to_phys(from);
> unsigned long start = KERN_TO_HYP((unsigned long)from);
> unsigned long end = KERN_TO_HYP((unsigned long)to);
>
>
--
Jazz is not dead. It just smells funny...
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