[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH RFC v13 16/20] pvh: Restrict tsc_mode to NEVER_EMULATE for now
To be implemented. Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx> Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx> --- v13: - Only print a warning if tsc_mode != TSC_MODE_DEFAULT CC: Jan Beulich <jbeulich@xxxxxxxx> CC: Tim Deegan <tim@xxxxxxx> CC: Keir Fraser <keir@xxxxxxx> --- xen/arch/x86/time.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/xen/arch/x86/time.c b/xen/arch/x86/time.c index c1bbd50..087b301 100644 --- a/xen/arch/x86/time.c +++ b/xen/arch/x86/time.c @@ -1827,6 +1827,22 @@ void tsc_set_info(struct domain *d, d->arch.vtsc = 0; return; } + if ( is_pvh_domain(d) ) + { + /* PVH fixme: support more tsc modes. */ + switch ( tsc_mode ) + { + case TSC_MODE_NEVER_EMULATE: + break; + default: + printk(XENLOG_WARNING + "PVH currently does not support tsc emulation. Setting timer_mode = never_emulate\n"); + /* FALLTHRU */ + case TSC_MODE_DEFAULT: + tsc_mode = TSC_MODE_NEVER_EMULATE; + break; + } + } switch ( d->arch.tsc_mode = tsc_mode ) { -- 1.7.9.5 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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