powerpc: Fix location and rename exception trampolines
authorMichael Ellerman <michael@ellerman.id.au>
Thu, 15 Aug 2013 05:22:17 +0000 (15:22 +1000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Tue, 27 Aug 2013 04:45:08 +0000 (14:45 +1000)
The symbols that name some of our exception trampolines are ahead of the
location they name. In most cases this is OK because the code is tightly
packed, but in some cases it means the symbol floats ahead of the
correct location, eg:

  c000000000000ea0 <performance_monitor_pSeries_1>:
          ...
  c000000000000f00:       7d b2 43 a6     mtsprg  2,r13

Fix them all by moving the symbol after the set of the location.

While we're moving them anyway, rename them to loose the camelcase and
to make it clear that they are trampolines.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/exceptions-64s.S

index 2e00b268cfb7a248532ffe01e1ba380062f50390..aa73bf940849beca8bbf3c988373da933ce7ccda 100644 (file)
@@ -323,32 +323,32 @@ hv_exception_trampoline:
         * prolog code of the PerformanceMonitor one. A little
         * trickery is thus necessary
         */
-performance_monitor_pSeries_1:
        . = 0xf00
+performance_monitor_pseries_trampoline:
        SET_SCRATCH0(r13)
        EXCEPTION_PROLOG_0(PACA_EXGEN)
        b       performance_monitor_pSeries
 
-altivec_unavailable_pSeries_1:
        . = 0xf20
+altivec_unavailable_pseries_trampoline:
        SET_SCRATCH0(r13)
        EXCEPTION_PROLOG_0(PACA_EXGEN)
        b       altivec_unavailable_pSeries
 
-vsx_unavailable_pSeries_1:
        . = 0xf40
+vsx_unavailable_pseries_trampoline:
        SET_SCRATCH0(r13)
        EXCEPTION_PROLOG_0(PACA_EXGEN)
        b       vsx_unavailable_pSeries
 
-facility_unavailable_trampoline:
        . = 0xf60
+facility_unavailable_trampoline:
        SET_SCRATCH0(r13)
        EXCEPTION_PROLOG_0(PACA_EXGEN)
        b       facility_unavailable_pSeries
 
-hv_facility_unavailable_trampoline:
        . = 0xf80
+hv_facility_unavailable_trampoline:
        SET_SCRATCH0(r13)
        EXCEPTION_PROLOG_0(PACA_EXGEN)
        b       facility_unavailable_hv
@@ -821,32 +821,32 @@ system_call_relon_pSeries:
        EXCEPTION_PROLOG_0(PACA_EXGEN)
        b       h_doorbell_relon_hv
 
-performance_monitor_relon_pSeries_1:
        . = 0x4f00
+performance_monitor_relon_pseries_trampoline:
        SET_SCRATCH0(r13)
        EXCEPTION_PROLOG_0(PACA_EXGEN)
        b       performance_monitor_relon_pSeries
 
-altivec_unavailable_relon_pSeries_1:
        . = 0x4f20
+altivec_unavailable_relon_pseries_trampoline:
        SET_SCRATCH0(r13)
        EXCEPTION_PROLOG_0(PACA_EXGEN)
        b       altivec_unavailable_relon_pSeries
 
-vsx_unavailable_relon_pSeries_1:
        . = 0x4f40
+vsx_unavailable_relon_pseries_trampoline:
        SET_SCRATCH0(r13)
        EXCEPTION_PROLOG_0(PACA_EXGEN)
        b       vsx_unavailable_relon_pSeries
 
-facility_unavailable_relon_trampoline:
        . = 0x4f60
+facility_unavailable_relon_trampoline:
        SET_SCRATCH0(r13)
        EXCEPTION_PROLOG_0(PACA_EXGEN)
        b       facility_unavailable_relon_pSeries
 
-hv_facility_unavailable_relon_trampoline:
        . = 0x4f80
+hv_facility_unavailable_relon_trampoline:
        SET_SCRATCH0(r13)
        EXCEPTION_PROLOG_0(PACA_EXGEN)
        b       facility_unavailable_relon_hv