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[v3,3/4] libxl: make cpuid_flags array static const

Message ID 17093e2b6824fa70e7efc9f827679e78ab132fd0.1498828597.git-series.marmarek@invisiblethingslab.com (mailing list archive)
State New, archived
Headers show

Commit Message

Marek Marczykowski-Górecki June 30, 2017, 1:16 p.m. UTC 
To have it in .rodata, instead of reconstructing each time on stack.

Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
---
 tools/libxl/libxl_cpuid.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/tools/libxl/libxl_cpuid.c b/tools/libxl/libxl_cpuid.c
index 98c7c54..3726aa4 100644
--- a/tools/libxl/libxl_cpuid.c
+++ b/tools/libxl/libxl_cpuid.c
@@ -89,7 +89,7 @@  static libxl_cpuid_policy_list cpuid_find_match(libxl_cpuid_policy_list *list,
 int libxl_cpuid_parse_config(libxl_cpuid_policy_list *cpuid, const char* str)
 {
 #define NA XEN_CPUID_INPUT_UNUSED
-    struct cpuid_flags cpuid_flags[] = {
+    static const struct cpuid_flags cpuid_flags[] = {
         {"maxleaf",      0x00000000, NA, CPUID_REG_EAX,  0, 32},
       /* the following two entries are subject to tweaking later in the code */
         {"family",       0x00000001, NA, CPUID_REG_EAX,  8,  8},
@@ -243,7 +243,7 @@  int libxl_cpuid_parse_config(libxl_cpuid_policy_list *cpuid, const char* str)
 #undef NA
     char *sep, *val, *endptr;
     int i;
-    struct cpuid_flags *flag;
+    const struct cpuid_flags *flag;
     struct libxl__cpuid_policy *entry;
     unsigned long num;
     char flags[33], *resstr;