parisc: export length of os_hpmc vector

and use this instead of dealing with exporting start/end and
toying with function descriptors.

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>

2 files changed, 9 insertions, 4 deletions

diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S
index 2cbf13b3ef11..5595a2f31181 100644
--- a/arch/parisc/kernel/hpmc.S
+++ b/arch/parisc/kernel/hpmc.S
@@ -80,6 +80,7 @@ END(hpmc_pim_data)
 
         .import intr_save, code
 ENTRY(os_hpmc)
+.os_hpmc:
 
         /*
          * registers modified:
@@ -295,5 +296,10 @@ os_hpmc_6:
         b .
         nop
 ENDPROC(os_hpmc)
-ENTRY(os_hpmc_end)      /* this label used to compute os_hpmc checksum */
+.os_hpmc_end:
         nop
+.data
+.align 4
+        .export os_hpmc_size
+os_hpmc_size:
+        .word .os_hpmc_end-.os_hpmc
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 548ba0c654d2..ba658d2086f7 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -825,8 +825,8 @@ void handle_interruption(int code, struct pt_regs *regs)
 
 int __init check_ivt(void *iva)
 {
+        extern u32 os_hpmc_size;
         extern const u32 os_hpmc[];
-        extern const u32 os_hpmc_end[];
 
         int i;
         u32 check = 0;
@@ -843,8 +843,7 @@ int __init check_ivt(void *iva)
             *ivap++ = 0;
 
         /* Compute Checksum for HPMC handler */
-
-        length = os_hpmc_end - os_hpmc;
+        length = os_hpmc_size;
         ivap[7] = length;
 
         hpmcp = (u32 *)os_hpmc;