Re: [Qemu-devel] [PATCH] Fix bug in implementation of SYSRET instruction for x86-64

2015-03-05 Thread John Snow
CC'ing X86 maintainers. On 03/04/2015 12:48 PM, Bill Paul wrote: Hi guys. I seem to have found a bug in the helper_systet() function in target-i386/seg_helper.c. I downloaded the Intel architecture manual from here: http://www.intel.com/content/www/us/en/processors/architectures-software-devel

[Qemu-devel] [PATCH] Fix bug in implementation of SYSRET instruction for x86-64

2015-03-04 Thread Bill Paul
Hi guys. I seem to have found a bug in the helper_systet() function in target-i386/seg_helper.c. I downloaded the Intel architecture manual from here: http://www.intel.com/content/www/us/en/processors/architectures-software- developer-manuals.html And it describes the behavior of SYSRET with reg