If 'COMPAT' not defined, aarch32_break_handler() cannot pass compiling,
so need add '#ifdef' for it just like the header file has done.
The related make:
make ARCH=arm64 randconfig
make ARCH=arm64 menuconfig
make ARCH=arm64 V=1 EXTRA_CFLAGS=-W
The related error:
arch/arm64/kernel/debug-monitors.c:249:5: error: redefinition of ‘aarch32_break_handler’
In file included from arch/arm64/kernel/debug-monitors.c:29:0:
/root/linux-next/arch/arm64/include/asm/debug-monitors.h:89:12: note: previous definition of ‘aarch32_break_handler’ was here
Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
---
arch/arm64/kernel/debug-monitors.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index 08018e3..ceedcd7 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -246,6 +246,7 @@ static int brk_handler(unsigned long addr, unsigned int esr,
return 0;
}
+#ifdef CONFIG_COMPAT
int aarch32_break_handler(struct pt_regs *regs)
{
siginfo_t info;
@@ -285,6 +286,7 @@ int aarch32_break_handler(struct pt_regs *regs)
force_sig_info(SIGTRAP, &info, current);
return 0;
}
+#endif
static int __init debug_traps_init(void)
{
--
1.7.7.6
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