diff options
| author | Nathan Whitehorn <nwhitehorn@freebsd.org> | 2016-08-30 01:02:47 +0000 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-09-23 12:39:07 +1000 |
| commit | 5145ad4fad099983887c6e6caa2354376005226f (patch) | |
| tree | 2af7306cf7535e4e5f55172303cf14c90b975fdf /hw | |
| parent | d76ab5e1c7db5f064700b9c3cb0924ccfd9017e5 (diff) | |
Enable H_CLEAR_MOD and H_CLEAR_REF hypercalls on KVM/PPC64.
These are mandatory per PAPR and available on Linux 4.3 and newer kernels. The calls in question are required to run FreeBSD guests with reasonable performance, so enable them if possible.
Signed-off-by: Nathan Whitehorn <nwhitehorn@freebsd.org>
[dwg: Added a stub to fix compile without KVM (e.g. on x86 host)]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ppc/spapr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 79d36b377c..e1769d0747 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1814,6 +1814,9 @@ static void ppc_spapr_init(MachineState *machine) /* Enable H_LOGICAL_CI_* so SLOF can talk to in-kernel devices */ kvmppc_enable_logical_ci_hcalls(); kvmppc_enable_set_mode_hcall(); + + /* H_CLEAR_MOD/_REF are mandatory in PAPR, but off by default */ + kvmppc_enable_clear_ref_mod_hcalls(); } /* allocate RAM */ |