#ifndef _XEN_PAGE_H #define _XEN_PAGE_H #include /* The hypercall interface supports only 4KB page */ #define XEN_PAGE_SHIFT 12 #define XEN_PAGE_SIZE (_AC(1, UL) << XEN_PAGE_SHIFT) #define XEN_PAGE_MASK (~(XEN_PAGE_SIZE-1)) #define xen_offset_in_page(p) ((unsigned long)(p) & ~XEN_PAGE_MASK) /* * We assume that PAGE_SIZE is a multiple of XEN_PAGE_SIZE * XXX: Add a BUILD_BUG_ON? */ #define xen_pfn_to_page(xen_pfn) \ (pfn_to_page((unsigned long)(xen_pfn) >> (PAGE_SHIFT - XEN_PAGE_SHIFT))) #define page_to_xen_pfn(page) \ ((page_to_pfn(page)) << (PAGE_SHIFT - XEN_PAGE_SHIFT)) #define XEN_PFN_PER_PAGE (PAGE_SIZE / XEN_PAGE_SIZE) #define XEN_PFN_DOWN(x) ((x) >> XEN_PAGE_SHIFT) #define XEN_PFN_UP(x) (((x) + XEN_PAGE_SIZE-1) >> XEN_PAGE_SHIFT) #define XEN_PFN_PHYS(x) ((phys_addr_t)(x) << XEN_PAGE_SHIFT) #include /* Return the GFN associated to the first 4KB of the page */ static inline unsigned long xen_page_to_gfn(struct page *page) { return pfn_to_gfn(page_to_xen_pfn(page)); } struct xen_memory_region { unsigned long start_pfn; unsigned long n_pfns; }; #define XEN_EXTRA_MEM_MAX_REGIONS 128 /* == E820MAX */ extern __initdata struct xen_memory_region xen_extra_mem[XEN_EXTRA_MEM_MAX_REGIONS]; extern unsigned long xen_released_pages; #endif /* _XEN_PAGE_H */ ack'>packet-rx-pump-back net-next plumbingsTobias Klauser
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authorHarsh Jain <harsh@chelsio.com>2017-02-01 21:10:28 +0530
committerHerbert Xu <herbert@gondor.apana.org.au>2017-02-03 17:45:48 +0800
commit0b529f143e8baad441a5aac9ad55ec2434d8fb46 (patch)
treefd816e548e12745d4776ad0bd661bec142d3ea06 /net/l2tp/l2tp_ppp.c
parentc26819900036f5b91608051a0fc7c76f6b4ffc7b (diff)
crypto: algif_aead - Fix kernel panic on list_del
Kernel panics when userspace program try to access AEAD interface. Remove node from Linked List before freeing its memory. Cc: <stable@vger.kernel.org> Signed-off-by: Harsh Jain <harsh@chelsio.com> Reviewed-by: Stephan Müller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'net/l2tp/l2tp_ppp.c')