linux-kernel - [PATCH v4 2/3] kvm/powerpc: Add exit reason for return code 0x0

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Message-Id: <1432179781-4739-2-git-send-email-hemant@linux.vnet.ibm.com>
Date:	Thu, 21 May 2015 09:13:00 +0530
From:	Hemant Kumar <hemant@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	maddy@...ux.vnet.ibm.com, srikar@...ux.vnet.ibm.com,
	scottwood@...escale.com, mpe@...erman.id.au, agraf@...e.de,
	kvm-ppc@...r.kernel.org, paulus@...ba.org,
	warrier@...ux.vnet.ibm.com, linuxppc-dev@...ts.ozlabs.org,
	acme@...nel.org, mingo@...hat.com, peterz@...radead.org,
	Hemant Kumar <hemant@...ux.vnet.ibm.com>
Subject: [PATCH v4 2/3] kvm/powerpc: Add exit reason for return code 0x0

This patch adds an exit reason "RETURN_TO_HOST" for the return code
0x0. Note that this is not related to any interrupt vector address, but
this is added just to make sure that perf doesn't complain if and when a
kvm exit happens with a trap code as 0x0.

Signed-off-by: Hemant Kumar <hemant@...ux.vnet.ibm.com>
---
 arch/powerpc/include/uapi/asm/trace_book3s.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/include/uapi/asm/trace_book3s.h b/arch/powerpc/include/uapi/asm/trace_book3s.h
index f647ce0..8635005 100644
--- a/arch/powerpc/include/uapi/asm/trace_book3s.h
+++ b/arch/powerpc/include/uapi/asm/trace_book3s.h
@@ -6,6 +6,7 @@
  */
 
 #define kvm_trace_symbol_exit \
+	{0x0,	"RETURN_TO_HOST"}, \
 	{0x100, "SYSTEM_RESET"}, \
 	{0x200, "MACHINE_CHECK"}, \
 	{0x300, "DATA_STORAGE"}, \
-- 
1.9.3

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