Re: [PATCH v4 1/2] drivers/misc: sysgenid: add system generation id driver

2021-01-27 Thread Pavel Machek
Hi! > - Solution > > The System Generation ID is a simple concept meant to alleviate the > issue by providing a monotonically increasing u32 counter that changes > each time the VM or container is restored from a snapshot. I'd make it u64. But as people explained, this has race problems that ma

Re: [Qemu-devel] [PATCH v6 0/4] SysFS driver for QEMU fw_cfg device

2015-12-19 Thread Pavel Machek
Hi! On Thu 2015-12-17 11:09:23, Gabriel L. Somlo wrote: > ping ? > > Also, for the corresponding patch set on the QEMU end of things, > ping on http://thread.gmane.org/gmane.comp.emulators.qemu/376321 I guess missing information is why such access is a good idea. Debugging?

Re: [Qemu-devel] [RFC PATCH 00/11] Adding FreeBSD's Capsicum security framework (part 1)

2014-08-16 Thread Pavel Machek
Hi! > >>> I think that's more easily done by opening the file as O_RDONLY/O_WRONLY > >>> /O_RDWR. You could do it by running the file descriptor's seccomp-bpf > >>> program once per iocb with synthesized syscall numbers and argument > >>> vectors. > >> > >> > >> Right, but generating the equival