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KVM: PPC: Avoid patching paravirt template code

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Currently we patch the whole code include paravirt template code.
This isn't safe for scratch area and has impact to performance.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Liu Yu-B13201
2011-12-01 20:22:53 +00:00
committed by Avi Kivity
parent 570135243a
commit befdc0a65a
2 changed files with 16 additions and 1 deletions
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6
arch/powerpc/kernel/kvm_emul.S
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@@ -66,6 +66,9 @@ kvm_hypercall_start:
shared->critical == r1 and r2 is always != r1 */ \
STL64(r2, KVM_MAGIC_PAGE + KVM_MAGIC_CRITICAL, 0);
.global kvm_template_start
kvm_template_start:
.global kvm_emulate_mtmsrd
kvm_emulate_mtmsrd:
@@ -350,3 +353,6 @@ kvm_emulate_mtsrin_orig_ins_offs:
.global kvm_emulate_mtsrin_len
kvm_emulate_mtsrin_len:
.long (kvm_emulate_mtsrin_end - kvm_emulate_mtsrin) / 4
.global kvm_template_end
kvm_template_end: