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authorKyle McMartin <kyle@mcmartin.ca>2009-01-03 06:35:40 +0000
committerKyle McMartin <kyle@mcmartin.ca>2009-01-05 19:18:27 +0000
commitae16489eb1175066c8f3008fc3c0396c525e1906 (patch)
tree575fe8aeaeea8f2bf246cbc603dbb2d510e88bd6 /arch/parisc
parentparisc: fix kernel crash (protection id trap) when compiling ruby1.9 (diff)
downloadlinux-dev-ae16489eb1175066c8f3008fc3c0396c525e1906.tar.xz
linux-dev-ae16489eb1175066c8f3008fc3c0396c525e1906.zip
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>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/kernel/hpmc.S8
-rw-r--r--arch/parisc/kernel/traps.c5
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;