Commit 224f3632 authored by Tudor Laurentiu's avatar Tudor Laurentiu Committed by Paul Mackerras
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KVM: PPC: e500: fix couple of shift operations on 64 bits 



Fix couple of cases where we shift left a 32-bit
value thus might get truncated results on 64-bit
targets.

Signed-off-by: default avatarLaurentiu Tudor <Laurentiu.Tudor@freescale.com>
Suggested-by: default avatarScott Wood <scotttwood@freescale.com>
Acked-by: default avatarScott Wood <scottwood@freescale.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 2daab50e

arch/powerpc/kvm/e500_mmu_host.c

+2 −2
Original line number Diff line number Diff line
@@ -406,7 +406,7 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, 


			for (; tsize > BOOK3E_PAGESZ_4K; tsize -= 2) {

				unsigned long gfn_start, gfn_end;

				tsize_pages = 1 << (tsize - 2);

				tsize_pages = 1UL << (tsize - 2);



				gfn_start = gfn & ~(tsize_pages - 1);

				gfn_end = gfn_start + tsize_pages;
@@ -447,7 +447,7 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, 
	}



	if (likely(!pfnmap)) {

		tsize_pages = 1 << (tsize + 10 - PAGE_SHIFT);

		tsize_pages = 1UL << (tsize + 10 - PAGE_SHIFT);

		pfn = gfn_to_pfn_memslot(slot, gfn);

		if (is_error_noslot_pfn(pfn)) {

			if (printk_ratelimit())

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