5.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Petr Tesarik petr.tesarik.ext@huawei.com
[ Upstream commit d826c9e61c99120f8996f8fed6417167e32eb922 ]
After removing the conditional return from xen_create_contiguous_region(), the accompanying comment was left in place, but it now precedes an unrelated conditional and confuses readers.
Fixes: 989513a735f5 ("xen: cleanup pvh leftovers from pv-only sources") Signed-off-by: Petr Tesarik petr.tesarik.ext@huawei.com Reviewed-by: Boris Ostrovsky boris.ostrovsky@oracle.com Link: https://lore.kernel.org/r/20230802163151.1486-1-petrtesarik@huaweicloud.com Signed-off-by: Juergen Gross jgross@suse.com Stable-dep-of: e93ec87286bd ("x86/xen: allow larger contiguous memory regions in PV guests") Signed-off-by: Sasha Levin sashal@kernel.org --- arch/x86/xen/mmu_pv.c | 6 ------ 1 file changed, 6 deletions(-)
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c index c8dbee62ec2ab..5d54a75eb8781 100644 --- a/arch/x86/xen/mmu_pv.c +++ b/arch/x86/xen/mmu_pv.c @@ -2592,12 +2592,6 @@ int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order, int success; unsigned long vstart = (unsigned long)phys_to_virt(pstart);
- /* - * Currently an auto-translated guest will not perform I/O, nor will - * it require PAE page directories below 4GB. Therefore any calls to - * this function are redundant and can be ignored. - */ - if (unlikely(order > MAX_CONTIG_ORDER)) return -ENOMEM;