Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=53140b71c5e7b5370e4ac6ffc13fddbdfae71473
Commit:     53140b71c5e7b5370e4ac6ffc13fddbdfae71473
Parent:     cf5adce11743e98739fcb97e76d688f0b0bc2199
Author:     David S. Miller <[EMAIL PROTECTED]>
AuthorDate: Thu Aug 16 01:52:44 2007 -0700
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Thu Aug 16 01:52:44 2007 -0700

    [SPARC64]: Do not touch %tick_cmpr on sun4v cpus.
    
    This register is not a part of the sun4v architecture.
    
    Niagara 1 and 2 happened to leave it around.
    
    Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
 arch/sparc64/kernel/head.S |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index a2652bc..63144ad 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -715,12 +715,13 @@ setup_trap_table:
 
        membar  #Sync
 
+       BRANCH_IF_SUN4V(o2, 1f)
+
        /* Kill PROM timer */
        sethi   %hi(0x80000000), %o2
        sllx    %o2, 32, %o2
        wr      %o2, 0, %tick_cmpr
 
-       BRANCH_IF_SUN4V(o2, 1f)
        BRANCH_IF_ANY_CHEETAH(o2, o3, 1f)
 
        ba,pt   %xcc, 2f
-
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