[PATCH] tile: tag some code with #ifdef CONFIG_COMPAT

From: Chris Metcalf
Date: Fri Feb 01 2013 - 15:44:09 EST


This allows us to disable COMPAT mode without a link error.

Signed-off-by: Chris Metcalf <cmetcalf@xxxxxxxxxx>
---
arch/tile/kernel/intvec_64.S | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/tile/kernel/intvec_64.S b/arch/tile/kernel/intvec_64.S
index 54bc9a6..4ea0809 100644
--- a/arch/tile/kernel/intvec_64.S
+++ b/arch/tile/kernel/intvec_64.S
@@ -1035,7 +1035,9 @@ handle_syscall:
/* Ensure that the syscall number is within the legal range. */
{
moveli r20, hw2(sys_call_table)
+#ifdef CONFIG_COMPAT
blbs r30, .Lcompat_syscall
+#endif
}
{
cmpltu r21, TREG_SYSCALL_NR_NAME, r21
@@ -1093,6 +1095,7 @@ handle_syscall:
j .Lresume_userspace /* jump into middle of interrupt_return */
}

+#ifdef CONFIG_COMPAT
.Lcompat_syscall:
/*
* Load the base of the compat syscall table in r20, and
@@ -1117,6 +1120,7 @@ handle_syscall:
{ move r15, r4; addxi r4, r4, 0 }
{ move r16, r5; addxi r5, r5, 0 }
j .Lload_syscall_pointer
+#endif

.Linvalid_syscall:
/* Report an invalid syscall back to the user program */
--
1.7.10.3

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