[Xen-changelog] [xen staging] libx86: Fix 32bit stubdom build of x86_cpuid_policy_fill_native()

[patchbot@xxxxxxx]

commit 1bd2b750537b656f3fa90857707be91f5ed8bfd8
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Tue Nov 13 11:58:47 2018 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Tue Nov 13 13:32:46 2018 +0000

    libx86: Fix 32bit stubdom build of x86_cpuid_policy_fill_native()
    
    With -m32, GCC generates a warning for &size_t == &unsigned long, which is 
the
    typecheck hidden inside the min() macro.
    
    Switch to using explicitly typed versions instead.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 xen/lib/x86/cpuid.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/xen/lib/x86/cpuid.c b/xen/lib/x86/cpuid.c
index f09d8d57c1..5a3159b357 100644
--- a/xen/lib/x86/cpuid.c
+++ b/xen/lib/x86/cpuid.c
@@ -7,8 +7,8 @@ void x86_cpuid_policy_fill_native(struct cpuid_policy *p)
     unsigned int i;
 
     cpuid_leaf(0, &p->basic.raw[0]);
-    for ( i = 1; i < min(ARRAY_SIZE(p->basic.raw),
-                         p->basic.max_leaf + 1ul); ++i )
+    for ( i = 1; i < min_t(unsigned int, ARRAY_SIZE(p->basic.raw),
+                           p->basic.max_leaf); ++i )
     {
         switch ( i )
         {
@@ -52,8 +52,8 @@ void x86_cpuid_policy_fill_native(struct cpuid_policy *p)
     {
         cpuid_count_leaf(7, 0, &p->feat.raw[0]);
 
-        for ( i = 1; i < min(ARRAY_SIZE(p->feat.raw),
-                             p->feat.max_subleaf + 1ul); ++i )
+        for ( i = 1; i < min_t(unsigned int, ARRAY_SIZE(p->feat.raw),
+                               p->feat.max_subleaf); ++i )
             cpuid_count_leaf(7, i, &p->feat.raw[i]);
     }
 
@@ -96,7 +96,8 @@ void x86_cpuid_policy_fill_native(struct cpuid_policy *p)
         xstates  = ((uint64_t)(p->xstate.xcr0_high | p->xstate.xss_high) << 
32);
         xstates |=            (p->xstate.xcr0_low  | p->xstate.xss_low);
 
-        for ( i = 2; i < min(63ul, ARRAY_SIZE(p->xstate.raw)); ++i )
+        for ( i = 2; i < min_t(unsigned int, 63,
+                               ARRAY_SIZE(p->xstate.raw)); ++i )
         {
             if ( xstates & (1ul << i) )
                 cpuid_count_leaf(0xd, i, &p->xstate.raw[i]);
@@ -105,8 +106,8 @@ void x86_cpuid_policy_fill_native(struct cpuid_policy *p)
 
     /* Extended leaves. */
     cpuid_leaf(0x80000000, &p->extd.raw[0]);
-    for ( i = 1; i < min(ARRAY_SIZE(p->extd.raw),
-                         p->extd.max_leaf + 1 - 0x80000000ul); ++i )
+    for ( i = 1; i < min_t(unsigned int, ARRAY_SIZE(p->extd.raw),
+                           p->extd.max_leaf + 1 - 0x80000000); ++i )
         cpuid_leaf(0x80000000 + i, &p->extd.raw[i]);
 }
 
--
generated by git-patchbot for /home/xen/git/xen.git#staging

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