diff options
| author | Liu Yu-B13201 <Yu.Liu@freescale.com> | 2012-07-03 05:48:53 +0000 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-10-05 23:38:37 +0200 |
| commit | 2f979de8a716bdbdc9f4db532652fbca08ed710c (patch) | |
| tree | 14f51a0b1c1b71f6981d4723a165fe284c70f38d /arch/powerpc/kernel/epapr_paravirt.c | |
| parent | 9202e07636f0c4858ba6c30773a3f160b2b5659a (diff) | |
KVM: PPC: ev_idle hcall support for e500 guests
Signed-off-by: Liu Yu <yu.liu@freescale.com>
[varun: 64-bit changes]
Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kernel/epapr_paravirt.c')
| -rw-r--r-- | arch/powerpc/kernel/epapr_paravirt.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/epapr_paravirt.c b/arch/powerpc/kernel/epapr_paravirt.c index 028aeae370b6..f3eab8594d9f 100644 --- a/arch/powerpc/kernel/epapr_paravirt.c +++ b/arch/powerpc/kernel/epapr_paravirt.c @@ -21,6 +21,10 @@ #include <asm/epapr_hcalls.h> #include <asm/cacheflush.h> #include <asm/code-patching.h> +#include <asm/machdep.h> + +extern void epapr_ev_idle(void); +extern u32 epapr_ev_idle_start[]; bool epapr_paravirt_enabled; @@ -41,8 +45,13 @@ static int __init epapr_paravirt_init(void) if (len % 4 || len > (4 * 4)) return -ENODEV; - for (i = 0; i < (len / 4); i++) + for (i = 0; i < (len / 4); i++) { patch_instruction(epapr_hypercall_start + i, insts[i]); + patch_instruction(epapr_ev_idle_start + i, insts[i]); + } + + if (of_get_property(hyper_node, "has-idle", NULL)) + ppc_md.power_save = epapr_ev_idle; epapr_paravirt_enabled = true; |