Blackfin: kgdb_test: rework code to avoid -O0 usage
__kfree_rcu() in rcupdate.h bugs when parameter offset is not a constant at compile time. Since we build the kgdb_test module with -O0 and it includes this header file, we hit the bug. So drop the -O0 and mark the one func we need for the test as noinline (so we can set a breakpoint on it and have it be hit). Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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@ -38,6 +38,6 @@ obj-$(CONFIG_PERF_EVENTS) += perf_event.o
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# the kgdb test puts code into L2 and without linker
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# relaxation, we need to force long calls to/from it
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CFLAGS_kgdb_test.o := -mlong-calls -O0
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CFLAGS_kgdb_test.o := -mlong-calls
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obj-$(CONFIG_DEBUG_MMRS) += debug-mmrs.o
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@ -50,8 +50,7 @@ void kgdb_l2_test(void)
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#endif
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int kgdb_test(char *name, int len, int count, int z)
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noinline int kgdb_test(char *name, int len, int count, int z)
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{
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pr_alert("kgdb name(%d): %s, %d, %d\n", len, name, count, z);
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count = z;
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