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| author | David S. Miller <davem@davemloft.net> | 2008-04-24 03:15:22 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-04-24 03:15:22 -0700 |
| commit | 7697daaa894ca2bc5cd652269c316bcdc3ec441b (patch) | |
| tree | d95630c696f34d5bc2b0cb6ab69a812440187c36 /include/asm-sparc64 | |
| parent | 238468b2ac76020c192a7402c92df5097916bf4a (diff) | |
| download | talos-obmc-linux-7697daaa894ca2bc5cd652269c316bcdc3ec441b.tar.gz talos-obmc-linux-7697daaa894ca2bc5cd652269c316bcdc3ec441b.zip | |
[SPARC64]: %l6 trap return handling no longer necessary.
Now that we indicate the "restart system call" in the
trap type field of pt_regs->magic, we don't need to
set the %l6 boolean in all of the trap return paths.
And we therefore don't need to pass it to do_notify_resume().
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc64')
| -rw-r--r-- | include/asm-sparc64/ttable.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/include/asm-sparc64/ttable.h b/include/asm-sparc64/ttable.h index 7208a777750e..d3cc4eff39a6 100644 --- a/include/asm-sparc64/ttable.h +++ b/include/asm-sparc64/ttable.h @@ -28,7 +28,7 @@ call routine; \ add %sp, PTREGS_OFF, %o0; \ ba,pt %xcc, rtrap; \ - clr %l6; \ + nop; \ nop; #define TRAP_7INSNS(routine) \ @@ -38,7 +38,7 @@ call routine; \ add %sp, PTREGS_OFF, %o0; \ ba,pt %xcc, rtrap; \ - clr %l6; + nop; #define TRAP_SAVEFPU(routine) \ sethi %hi(109f), %g7; \ @@ -47,7 +47,7 @@ call routine; \ add %sp, PTREGS_OFF, %o0; \ ba,pt %xcc, rtrap; \ - clr %l6; \ + nop; \ nop; #define TRAP_NOSAVE(routine) \ @@ -67,7 +67,7 @@ call routine; \ add %sp, PTREGS_OFF, %o0; \ ba,pt %xcc, rtrap; \ - clr %l6; \ + nop; \ nop; #define TRAP_ARG(routine, arg) \ @@ -78,7 +78,7 @@ call routine; \ mov arg, %o1; \ ba,pt %xcc, rtrap; \ - clr %l6; + nop; #define TRAPTL1_ARG(routine, arg) \ sethi %hi(109f), %g7; \ @@ -88,7 +88,7 @@ call routine; \ mov arg, %o1; \ ba,pt %xcc, rtrap; \ - clr %l6; + nop; #define SYSCALL_TRAP(routine, systbl) \ sethi %hi(109f), %g7; \ @@ -166,7 +166,7 @@ ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1; \ add %l1, 4, %l2; \ stx %l1, [%sp + PTREGS_OFF + PT_V9_TPC]; \ - ba,pt %xcc, rtrap_clr_l6; \ + ba,pt %xcc, rtrap; \ stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC]; #ifdef CONFIG_KPROBES |
