Re: [PATCH v1 8/8] virtio-mem: kdump mode to sanitize /proc/vmcore access
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From: David Hildenbrand <hidden>
Date: 2021-09-29 08:38:16
Also in:
kexec, linux-fsdevel, lkml, virtualization, xen-devel
[...]
quoted hunk ↗ jump to hunk
+ +static bool virtio_mem_vmcore_pfn_is_ram(struct vmcore_cb *cb, + unsigned long pfn) +{ + struct virtio_mem *vm = container_of(cb, struct virtio_mem, + vmcore_cb); + uint64_t addr = PFN_PHYS(pfn); + bool is_ram; + int rc; + + if (!virtio_mem_contains_range(vm, addr, addr + PAGE_SIZE))
Some more testing revealed that this has to be if (!virtio_mem_contains_range(vm, addr, PAGE_SIZE)) -- Thanks, David / dhildenb