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| From: | Avi Kivity |
| Subject: | Re: [Qemu-devel] [PATCH v2] target-i386: Mask NX bit from cpu_get_phys_page_debug result |
| Date: | Tue, 06 Mar 2012 16:31:44 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120216 Thunderbird/10.0.1 |
On 03/06/2012 04:22 PM, Jan Kiszka wrote: > This was a long pending bug, now revealed by the assert in > phys_page_find that stumbled over the large page index returned by > cpu_get_phys_page_debug for NX-marked pages: We need to mask out NX and > all user-definable bits 52..62 from PDEs and the final PTE to avoid > corrupting physical addresses. > > Reviewed-by: Avi Kivity <address@hidden> -- error compiling committee.c: too many arguments to function
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