On 08/11/2019 00:04, Colin Percival wrote: > On 2019-11-07 13:34, Andriy Gapon wrote: >> On 07/11/2019 23:19, Colin Percival wrote: >>> On 2019-11-07 13:14, Andriy Gapon wrote: >>>> x86 stack_save_td_running() can work safely only if IPI_TRACE is a >>>> non-maskable interrupt. But at the moment FreeBSD/Xen does not provide >>>> support for the NMI delivery mode. So, mark the functionality as >>>> unsupported similarly to other platforms without NMI. >>>> [...] >>>> +#ifdef XENHVM >>> >>> I'm not sure this does what you intended. XENHVM simply adds *support* for >>> running under Xen/HVM, and it's part of the GENERIC kernel. >> >> Oh... I should not have rushed. >> So, I should really check for a run-time Xen marker? > > I'm guessing that you want > > #include <sys/systm.h> > > ... > > if (vm_guest == VM_GUEST_XEN) > return (EOPNOTSUPP); >
Colin, thank you again. But it seems that adding NMI support to a type of guest which is FreeBSD turned out to be much easier than I imagined. In fact, Roger (royger@) has already come up with a patch. I will be testing it soon. -- Andriy Gapon _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
