linux-kernel - [PATCH] tools/kvm_stat: fix out of date aarch64 kvm

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Date:   Sat, 3 Apr 2021 17:17:31 +0800
From:   Zeng Tao <prime.zeng@...ilicon.com>
To:     <kvm@...r.kernel.org>
CC:     <pbonzini@...hat.com>, <raspl@...ibm.com>, <linuxarm@...wei.com>,
        Zeng Tao <prime.zeng@...ilicon.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] tools/kvm_stat: fix out of date aarch64 kvm_exit reason definations

Aarch64 kvm exit reason defination is out of date for some time, so in
this patch:
1. Sync some newly introduced or missing EC definations.
2. Change the WFI to WFx.
3. Fix the comment.

Not all the definations are used or usable for aarch64 kvm, but it's
better to keep align across the whole kernel.

Signed-off-by: Zeng Tao <prime.zeng@...ilicon.com>
---
 tools/kvm/kvm_stat/kvm_stat | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index b0bf56c..63d87fd 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -154,17 +154,19 @@ SVM_EXIT_REASONS = {
     'NPF':            0x400,
 }
 
-# EC definition of HSR (from arch/arm64/include/asm/kvm_arm.h)
+# EC definition of HSR (from arch/arm64/include/asm/esr.h)
 AARCH64_EXIT_REASONS = {
     'UNKNOWN':      0x00,
-    'WFI':          0x01,
+    'WFx':          0x01,
     'CP15_32':      0x03,
     'CP15_64':      0x04,
     'CP14_MR':      0x05,
     'CP14_LS':      0x06,
     'FP_ASIMD':     0x07,
     'CP10_ID':      0x08,
+    'PAC':          0x09,
     'CP14_64':      0x0C,
+    'BTI':          0x0D,
     'ILL_ISS':      0x0E,
     'SVC32':        0x11,
     'HVC32':        0x12,
@@ -173,6 +175,10 @@ AARCH64_EXIT_REASONS = {
     'HVC64':        0x16,
     'SMC64':        0x17,
     'SYS64':        0x18,
+    'SVE':          0x19,
+    'ERET':         0x1a,
+    'FPAC':         0x1c,
+    'IMP_DEF':      0x1f,
     'IABT':         0x20,
     'IABT_HYP':     0x21,
     'PC_ALIGN':     0x22,
-- 
2.8.1