[CRIU] [PATCH] arch, x86: int80 -- Clobber all rX registers

Cyrill Gorcunov gorcunov at gmail.com
Tue Jan 15 14:08:17 MSK 2019


On Tue, Jan 15, 2019 at 02:07:13PM +0300, Cyrill Gorcunov wrote:
> While vanilla kernel requires only r8-r11 to be saved
> by a caller when doing int80 interrupt we've discovered
> some buggy kernels which may not follow the rule, thus
> to be able to checkpoint programs on such kernels we
> mark all rX registers as clobbered to be on a safe side.
> 
> CC: Pavel Tikhomirov <ptikhomirov at virtuozzo.com>
> CC: Andrew Vagin <avagin at virtuozzo.com>
> Signed-off-by: Cyrill Gorcunov <gorcunov at gmail.com>

Just noticed I'm using your old vz email adress, sorry.


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