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authorBharat Bhushan <r65777@freescale.com>2013-10-08 00:02:19 -0400
committerAlexander Graf <agraf@suse.de>2014-01-09 04:14:56 -0500
commit1820a8d2163554dcd0272cc095338499db4a4dc3 (patch)
tree1b1f9fba1c83b61743093e0c8ef4efdf22d1dca9 /arch/powerpc/kernel
parent458ff3c099a1266991208f2c009afc2405e5b6bc (diff)
kvm/powerpc: rename kvm_hypercall() to epapr_hypercall()
kvm_hypercall() have nothing KVM specific, so renamed to epapr_hypercall(). Also this in moved to arch/powerpc/include/asm/epapr_hcalls.h Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/kvm.c41
1 files changed, 2 insertions, 39 deletions
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c
index db28032e320e..6a0175297b0d 100644
--- a/arch/powerpc/kernel/kvm.c
+++ b/arch/powerpc/kernel/kvm.c
@@ -413,13 +413,13 @@ static void kvm_map_magic_page(void *data)
413{ 413{
414 u32 *features = data; 414 u32 *features = data;
415 415
416 ulong in[8]; 416 ulong in[8] = {0};
417 ulong out[8]; 417 ulong out[8];
418 418
419 in[0] = KVM_MAGIC_PAGE; 419 in[0] = KVM_MAGIC_PAGE;
420 in[1] = KVM_MAGIC_PAGE; 420 in[1] = KVM_MAGIC_PAGE;
421 421
422 kvm_hypercall(in, out, KVM_HCALL_TOKEN(KVM_HC_PPC_MAP_MAGIC_PAGE)); 422 epapr_hypercall(in, out, KVM_HCALL_TOKEN(KVM_HC_PPC_MAP_MAGIC_PAGE));
423 423
424 *features = out[0]; 424 *features = out[0];
425} 425}
@@ -711,43 +711,6 @@ static void kvm_use_magic_page(void)
711 kvm_patching_worked ? "worked" : "failed"); 711 kvm_patching_worked ? "worked" : "failed");
712} 712}
713 713
714unsigned long kvm_hypercall(unsigned long *in,
715 unsigned long *out,
716 unsigned long nr)
717{
718 unsigned long register r0 asm("r0");
719 unsigned long register r3 asm("r3") = in[0];
720 unsigned long register r4 asm("r4") = in[1];
721 unsigned long register r5 asm("r5") = in[2];
722 unsigned long register r6 asm("r6") = in[3];
723 unsigned long register r7 asm("r7") = in[4];
724 unsigned long register r8 asm("r8") = in[5];
725 unsigned long register r9 asm("r9") = in[6];
726 unsigned long register r10 asm("r10") = in[7];
727 unsigned long register r11 asm("r11") = nr;
728 unsigned long register r12 asm("r12");
729
730 asm volatile("bl epapr_hypercall_start"
731 : "=r"(r0), "=r"(r3), "=r"(r4), "=r"(r5), "=r"(r6),
732 "=r"(r7), "=r"(r8), "=r"(r9), "=r"(r10), "=r"(r11),
733 "=r"(r12)
734 : "r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7), "r"(r8),
735 "r"(r9), "r"(r10), "r"(r11)
736 : "memory", "cc", "xer", "ctr", "lr");
737
738 out[0] = r4;
739 out[1] = r5;
740 out[2] = r6;
741 out[3] = r7;
742 out[4] = r8;
743 out[5] = r9;
744 out[6] = r10;
745 out[7] = r11;
746
747 return r3;
748}
749EXPORT_SYMBOL_GPL(kvm_hypercall);
750
751static __init void kvm_free_tmp(void) 714static __init void kvm_free_tmp(void)
752{ 715{
753 free_reserved_area(&kvm_tmp[kvm_tmp_index], 716 free_reserved_area(&kvm_tmp[kvm_tmp_index],