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| author | Ian Campbell <ian.campbell@citrix.com> | 2011-02-17 11:04:20 +0000 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2011-02-25 16:43:10 +0000 |
| commit | 8e15597fa430c03415e2268dfbae0f262b948788 (patch) | |
| tree | 33a132fefac3ef8c540ecfe63145d1ca4f5b4a06 /arch | |
| parent | 552717231e50b478dfd19d63fd97879476ae051d (diff) | |
| download | linux-8e15597fa430c03415e2268dfbae0f262b948788.tar.gz linux-8e15597fa430c03415e2268dfbae0f262b948788.tar.bz2 linux-8e15597fa430c03415e2268dfbae0f262b948788.zip | |
xen: use new schedop interface for suspend
Take the opportunity to comment on the semantics of the PV guest
suspend hypercall arguments.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/xen/hypercall.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h index a3c28ae4025b..a7d5823862b4 100644 --- a/arch/x86/include/asm/xen/hypercall.h +++ b/arch/x86/include/asm/xen/hypercall.h @@ -422,10 +422,17 @@ HYPERVISOR_set_segment_base(int reg, unsigned long value) #endif static inline int -HYPERVISOR_suspend(unsigned long srec) +HYPERVISOR_suspend(unsigned long start_info_mfn) { - return _hypercall3(int, sched_op, SCHEDOP_shutdown, - SHUTDOWN_suspend, srec); + struct sched_shutdown r = { .reason = SHUTDOWN_suspend }; + + /* + * For a PV guest the tools require that the start_info mfn be + * present in rdx/edx when the hypercall is made. Per the + * hypercall calling convention this is the third hypercall + * argument, which is start_info_mfn here. + */ + return _hypercall3(int, sched_op_new, SCHEDOP_shutdown, &r, start_info_mfn); } static inline int |