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authorXiantao Zhang <xiantao.zhang@intel.com>2008-04-03 11:02:58 -0700
committerTony Luck <tony.luck@intel.com>2008-04-03 11:02:58 -0700
commit96651896b8d9ad4244a1c3ed9691faa3e382f503 (patch)
treed1982cf832e019deb8619fd0eae9133e5b98bc99 /arch/ia64/kernel/mca_asm.S
parent9597362d354f8655ece324b01d0c640a0e99c077 (diff)
[IA64] Add API for allocating Dynamic TR resource.
Dynamic TR resource should be managed in the uniform way. Add two interfaces for kernel: ia64_itr_entry: Allocate a (pair of) TR for caller. ia64_ptr_entry: Purge a (pair of ) TR by caller. Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: Anthony Xu <anthony.xu@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/kernel/mca_asm.S')
-rw-r--r--arch/ia64/kernel/mca_asm.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S
index 8bc7d259e0c..a06d46548ff 100644
--- a/arch/ia64/kernel/mca_asm.S
+++ b/arch/ia64/kernel/mca_asm.S
@@ -219,8 +219,13 @@ ia64_reload_tr:
mov r20=IA64_TR_CURRENT_STACK
;;
itr.d dtr[r20]=r16
+ GET_THIS_PADDR(r2, ia64_mca_tr_reload)
+ mov r18 = 1
;;
srlz.d
+ ;;
+ st8 [r2] =r18
+ ;;
done_tlb_purge_and_reload: