From mboxrd@z Thu Jan 1 00:00:00 1970 From: linucherian@gmail.com (linucherian at gmail.com) Date: Tue, 7 Mar 2017 11:22:44 +0530 Subject: [PATCH V3 4/4] KVM: arm64: Increase number of user memslots to 512 In-Reply-To: <1488865964-17346-1-git-send-email-linucherian@gmail.com> References: <1488865964-17346-1-git-send-email-linucherian@gmail.com> Message-ID: <1488865964-17346-5-git-send-email-linucherian@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Linu Cherian Having only 32 memslots is a real constraint for the maximum number of PCI devices that can be assigned to a single guest. Assuming each PCI device/virtual function having two memory BAR regions, we could assign only 15 devices/virtual functions to a guest. Hence increase KVM_USER_MEM_SLOTS to 512 as done in other archs like powerpc. Signed-off-by: Linu Cherian --- arch/arm64/include/asm/kvm_host.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index a0409b0..4027002 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -30,7 +30,7 @@ #define __KVM_HAVE_ARCH_INTC_INITIALIZED -#define KVM_USER_MEM_SLOTS 32 +#define KVM_USER_MEM_SLOTS 512 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 #define KVM_HALT_POLL_NS_DEFAULT 500000 -- 1.9.1