Displaying 4 results from an estimated 4 matches for "mmuext_copy_page".
2008 Jul 24
2
[RFC] i386 highmem assist hypercalls
...* A page is dirtied when it''s being cleared. */
+ paging_mark_dirty(d, mfn);
+
+ ptr = fixmap_domain_page(mfn);
+ clear_page(ptr);
+ fixunmap_domain_page(ptr);
+
+ put_page_and_type(page);
+ break;
+ }
+
+ case MMUEXT_COPY_PAGE:
+ {
+ const unsigned char *src;
+ unsigned char *dst;
+ unsigned long src_mfn;
+
+ src_mfn = gmfn_to_mfn(FOREIGNDOM, op.arg2.src_mfn);
+ okay = get_page_from_pagenr(src_mfn, FOREIGNDOM);
+ if ( unlikely(!okay) )
+...
2008 Oct 17
6
[PATCH, RFC] i386: highmem access assistance hypercalls
...* A page is dirtied when it''s being cleared. */
+ paging_mark_dirty(d, mfn);
+
+ ptr = fixmap_domain_page(mfn);
+ clear_page(ptr);
+ fixunmap_domain_page(ptr);
+
+ put_page_and_type(page);
+ break;
+ }
+
+ case MMUEXT_COPY_PAGE:
+ {
+ const unsigned char *src;
+ unsigned char *dst;
+ unsigned long src_mfn;
+
+ src_mfn = gmfn_to_mfn(FOREIGNDOM, op.arg2.src_mfn);
+ okay = get_page_from_pagenr(src_mfn, FOREIGNDOM);
+ if ( unlikely(!okay) )
+...
2008 Oct 27
0
[PATCH 4/4] linux/i386: utilize hypervisor highmem handling helpers
...truct page *to, struct page *from)
+{
+ void *vfrom, *vto;
+
+ if (likely(xen_feature(XENFEAT_highmem_assist))
+ && (PageHighMem(from) || PageHighMem(to))) {
+ unsigned long from_pfn = page_to_pfn(from);
+ unsigned long to_pfn = page_to_pfn(to);
+ struct mmuext_op meo;
+
+ meo.cmd = MMUEXT_COPY_PAGE;
+ meo.arg1.mfn = pfn_to_mfn(to_pfn);
+ meo.arg2.src_mfn = pfn_to_mfn(from_pfn);
+ if (mfn_to_pfn(meo.arg2.src_mfn) == from_pfn
+ && mfn_to_pfn(meo.arg1.mfn) == to_pfn
+ && HYPERVISOR_mmuext_op(&meo, 1, NULL, DOMID_SELF) == 0)
+ return;
+ }
+
+ vfrom = kmap_atomic...
2012 Sep 04
2
[PATCH] valgrind: Support for ioctls used by Xen toolstack processes.
...op->cmd, sizeof(op->cmd));
+ switch(op->cmd) {
+ case MMUEXT_PIN_L1_TABLE:
+ case MMUEXT_PIN_L2_TABLE:
+ case MMUEXT_PIN_L3_TABLE:
+ case MMUEXT_PIN_L4_TABLE:
+ case MMUEXT_UNPIN_TABLE:
+ case MMUEXT_NEW_BASEPTR:
+ case MMUEXT_CLEAR_PAGE:
+ case MMUEXT_COPY_PAGE:
+ case MMUEXT_MARK_SUPER:
+ case MMUEXT_UNMARK_SUPER:
+ PRE_MEM_READ("__HYPERVISOR_MMUEXT_OP arg1.mfn",
+ (Addr)&op->arg1.mfn,
+ sizeof(op->arg1.mfn));
+ break;
+
+ case MMUEXT_INVLPG_LOCAL:
+ case MM...