linux-kernel - [PATCH 2/2] MIPS: set NR_syscall

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Date:   Mon, 29 Aug 2016 11:30:07 +0200
From:   Marcin Nowakowski <marcin.nowakowski@...tec.com>
To:     <linux-mips@...r.kernel.org>, Ralf Baechle <ralf@...ux-mips.org>,
        "open list:MIPS" <linux-mips@...ux-mips.org>,
        open list <linux-kernel@...r.kernel.org>
CC:     Marcin Nowakowski <marcin.nowakowski@...tec.com>
Subject: [PATCH 2/2] MIPS: set NR_syscall_tables appropriately

Depending on the kernel configuration, up to 3 syscall tables can be
used in parallel - so set the number properly to ensure syscall tracing
is set up properly.

Signed-off-by: Marcin Nowakowski <marcin.nowakowski@...tec.com>
---
 arch/mips/include/asm/unistd.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index e558130..71162f3d 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -22,6 +22,10 @@
 #define NR_syscalls  (__NR_O32_Linux + __NR_O32_Linux_syscalls)
 #endif
 
+#define NR_syscall_tables (1 + \
+	IS_ENABLED(CONFIG_MIPS32_O32) + \
+	IS_ENABLED(CONFIG_MIPS32_N32))
+
 #ifndef __ASSEMBLY__
 
 #define __ARCH_WANT_OLD_READDIR
-- 
2.7.4