On 05/04/2011 11:58 AM, Konrad Rzeszutek Wilk wrote:
It tells us that the pages have been indeed filled up with the right values.
But perhaps the values for the entries past the 4G are filled with zero, which
might be the case as in (pte_pfn_to_mfn):
Just FYI, the machine has exactly 4G of RAM - 2 on one CPU, 2 on
the other (two socket motherboard, single core each).
Anyhow, try this patch below. Should give us some ideas. Not compile tested.
+ printk(KERN_INFO "%s: 0x%lx is INVALID for %llx\n",
+ ___func__, pfn, (unsigned long)val);
The compile complained about __func__ not being declared and
exited with an error.
+ printk(KERN_INFO "%s: %lx, %lx\n", __func__, u.ptr, u.val);
The compile also warned about %lx expecting 'long unsigned int',
but argument 3 and 4 are 'uint64_t'.
arch/x86/xen/mmu.c: In function ‘pte_pfn_to_mfn’:
arch/x86/xen/mmu.c:810:5: error: ‘___func__’ undeclared (first use in
this function)
arch/x86/xen/mmu.c:810:5: note: each undeclared identifier is reported
only once for each function it appears in
arch/x86/xen/mmu.c: In function ‘xen_set_pud_hyper’:
arch/x86/xen/mmu.c:940:2: warning: format ‘%lx’ expects type ‘long
unsigned int’, but argument 3 has type ‘uint64_t’
arch/x86/xen/mmu.c:940:2: warning: format ‘%lx’ expects type ‘long
unsigned int’, but argument 4 has type ‘uint64_t’
make[2]: *** [arch/x86/xen/mmu.o] Error 1
make[1]: *** [arch/x86/xen] Error 2
make: *** [arch/x86] Error 2
make: *** Waiting for unfinished jobs....
--
Scott Garron
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