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| author | Stuart Yoder <stuart.yoder@freescale.com> | 2013-03-30 06:40:49 +0000 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2013-04-26 23:02:40 +0200 |
| commit | 3b961124bf8a0b490e4fc3a6a39e004500ae6967 (patch) | |
| tree | ed1715503dfdcba439a9700e30c6622c3b7759d9 /hw | |
| parent | e71ec2e93dad4446d245031382e30b377640d9ca (diff) | |
| download | qemu-3b961124bf8a0b490e4fc3a6a39e004500ae6967.zip qemu-3b961124bf8a0b490e4fc3a6a39e004500ae6967.tar.gz qemu-3b961124bf8a0b490e4fc3a6a39e004500ae6967.tar.bz2 | |
PPC: e500: advertise 4.2 MPIC only if KVM supports EPR
Older KVM versions don't support EPR which breaks guests when we announce
MPIC variants that support EPR.
Catch that case and expose only MPIC version 2.0 which tells the guest that
we don't support the EPR capability yet.
Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
[agraf: Add comment, route cap check through kvm_ppc.c]
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ppc/e500plat.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/ppc/e500plat.c b/hw/ppc/e500plat.c index 7292ce1..c852995 100644 --- a/hw/ppc/e500plat.c +++ b/hw/ppc/e500plat.c @@ -16,6 +16,7 @@ #include "sysemu/device_tree.h" #include "hw/pci/pci.h" #include "hw/ppc/openpic.h" +#include "kvm_ppc.h" static void e500plat_fixup_devtree(PPCE500Params *params, void *fdt) { @@ -48,6 +49,12 @@ static void e500plat_init(QEMUMachineInitArgs *args) .mpic_version = OPENPIC_MODEL_FSL_MPIC_42, }; + /* Older KVM versions don't support EPR which breaks guests when we announce + MPIC variants that support EPR. Revert to an older one for those */ + if (kvm_enabled() && !kvmppc_has_cap_epr()) { + params.mpic_version = OPENPIC_MODEL_FSL_MPIC_20; + } + ppce500_init(¶ms); } |