[Xen-ia64-devel] [patch] machine vector for global tlb purge

[Jes Sorensen <jes@xxxxxxx>]

Hi,

Switch to using the platform vector for global tlb purges. In fact
nothing should be calling ia64_global_tlb_purge() directly.

Signed-off-by: Jes Sorensen <jes@xxxxxxx>

Cheers,
Jes

# HG changeset patch
# User jes@xxxxxxxxxxxxxxxx
# Date 1166187024 -3600
# Node ID fd3e080a4f54d1fbb4a1518a05508262b7ab3fce
# Parent  2a5baff73732c6942f7cbfb8eedd713011f27fa0
use machine vector for global tlb purge

diff -r 2a5baff73732 -r fd3e080a4f54 xen/arch/ia64/linux-xen/sn/kernel/sn2_smp.c
--- a/xen/arch/ia64/linux-xen/sn/kernel/sn2_smp.c       Fri Dec 15 10:36:59 
2006 +0100
+++ b/xen/arch/ia64/linux-xen/sn/kernel/sn2_smp.c       Fri Dec 15 13:50:24 
2006 +0100
@@ -173,7 +173,7 @@ sn2_global_tlb_purge(unsigned long start
        int mymm = (mm == current->active_mm && mm == current->mm);
 #else
        // struct mm_struct *mm;
-       int mymm = 1;
+       int mymm = 0;
 #endif
        int use_cpu_ptcga;
        volatile unsigned long *ptc0, *ptc1;
diff -r 2a5baff73732 -r fd3e080a4f54 xen/arch/ia64/xen/vhpt.c
--- a/xen/arch/ia64/xen/vhpt.c  Fri Dec 15 10:36:59 2006 +0100
+++ b/xen/arch/ia64/xen/vhpt.c  Fri Dec 15 13:50:24 2006 +0100
@@ -20,9 +20,6 @@
 #include <asm/vcpu.h>
 #include <asm/vcpumask.h>
 #include <asm/vmmu.h>
-
-/* Defined in tlb.c  */
-extern void ia64_global_tlb_purge(u64 start, u64 end, u64 nbits);
 
 extern long running_on_sim;
 
@@ -364,7 +361,7 @@ void domain_flush_vtlb_range (struct dom
        // ptc.ga has release semantics.
 
        /* ptc.ga  */
-       ia64_global_tlb_purge(vadr,vadr+addr_range,PAGE_SHIFT);
+       platform_global_tlb_purge(vadr, vadr + addr_range, PAGE_SHIFT);
        perfc_incrc(domain_flush_vtlb_range);
 }
 
@@ -442,7 +439,8 @@ __domain_flush_vtlb_track_entry(struct d
                perfc_incrc(domain_flush_vtlb_local);
        } else {
                /* ptc.ga has release semantics. */
-               ia64_global_tlb_purge(vaddr, vaddr + PAGE_SIZE, PAGE_SHIFT);
+               platform_global_tlb_purge(vaddr, vaddr + PAGE_SIZE,
+                                         PAGE_SHIFT);
                perfc_incrc(domain_flush_vtlb_global);
        }
 

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