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KVM: PPC: Book3S HV: Handle memory plug/unplug to secure VM

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Register the new memslot with UV during plug and unregister
the memslot during unplug. In addition, release all the
device pages during unplug.

Signed-off-by: Bharata B Rao <bharata@linux.ibm.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
This commit is contained in:
Bharata B Rao
2019-11-25 08:36:29 +05:30
committed by Paul Mackerras
parent 008e359c76
commit c32622575d
6 changed files with 76 additions and 0 deletions
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1
arch/powerpc/include/asm/ultravisor-api.h
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@@ -27,6 +27,7 @@
#define UV_RETURN 0xF11C
#define UV_ESM 0xF110
#define UV_REGISTER_MEM_SLOT 0xF120
#define UV_UNREGISTER_MEM_SLOT 0xF124
#define UV_PAGE_IN 0xF128
#define UV_PAGE_OUT 0xF12C
#define UV_SHARE_PAGE 0xF130