[Xen-devel] [PATCH 1/8] common/vsprintf: Special-case DOMID_IDLE handling for %pv

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

Prints dIDLEv0 as opposed to d32767v0

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CC: Keir Fraser <keir@xxxxxxx>
CC: Jan Beulich <JBeulich@xxxxxxxx>
CC: Tim Deegan <tim@xxxxxxx>
CC: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
---
 xen/common/vsprintf.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/xen/common/vsprintf.c b/xen/common/vsprintf.c
index 065cc42..ed76f24 100644
--- a/xen/common/vsprintf.c
+++ b/xen/common/vsprintf.c
@@ -338,7 +338,10 @@ static char *pointer(char *str, char *end, const char 
**fmt_ptr,
         ++*fmt_ptr;
         if ( str < end )
             *str = 'd';
-        str = number(str + 1, end, v->domain->domain_id, 10, -1, -1, 0);
+        if ( unlikely(v->domain->domain_id == DOMID_IDLE) )
+            str = string(str + 1, end, "IDLE", -1, -1, 0);
+        else
+            str = number(str + 1, end, v->domain->domain_id, 10, -1, -1, 0);
         if ( str < end )
             *str = 'v';
         return number(str + 1, end, v->vcpu_id, 10, -1, -1, 0);
-- 
1.7.10.4


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