[IA64] Update comment to describe modes set in default control register.

Christian Hildner pointed out that the comment did not match what the
code does in cpu_init() when we set up the default control register.
Patch based on suggestions from Ken Chen.

Signed-off-by: Tony Luck <tony.luck@intel.com>

diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index b7e6b4cb374b89302f5ba58612bce333f7b8a1cd..d14692e0920acc5c6f0350b9b14bddc801b07221 100644 (file)
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -720,7 +720,8 @@ cpu_init (void)
        ia64_set_kr(IA64_KR_PT_BASE, __pa(ia64_imva(empty_zero_page)));
 
        /*
-        * Initialize default control register to defer all speculative faults.  The
+        * Initialize default control register to defer speculative faults except
+        * for those arising from TLB misses, which are not deferred.  The
         * kernel MUST NOT depend on a particular setting of these bits (in other words,
         * the kernel must have recovery code for all speculative accesses).  Turn on
         * dcr.lc as per recommendation by the architecture team.  Most IA-32 apps