perf tools: Fix compile error for x86
Commit a0a12c3e ("asm goto: eradicate CC_HAS_ASM_GOTO") eradicates CC_HAS_ASM_GOTO, and in the process also causes the perf tool on x86 to use asm_volatile_goto when compiling __GEN_RMWcc. However, asm_volatile_goto is not declared in the perf tool headers, which causes a compilation error: In file included from tools/arch/x86/include/asm/atomic.h:7, from tools/include/asm/atomic.h:6, from tools/include/linux/atomic.h:5, from tools/include/linux/refcount.h:41, from tools/lib/perf/include/internal/cpumap.h:5, from tools/perf/util/cpumap.h:7, from tools/perf/util/env.h:7, from tools/perf/util/header.h:12, from pmu-events/pmu-events.c:9: tools/arch/x86/include/asm/atomic.h: In function ‘atomic_dec_and_test’: tools/arch/x86/include/asm/rmwcc.h:7:2: error: implicit declaration of function ‘asm_volatile_goto’ [-Werror=implicit-function-declaration] asm_volatile_goto (fullop "; j" cc " %l[cc_label]" \ ^~~~~~~~~~~~~~~~~ Define asm_volatile_goto in compiler_types.h if not declared, like the main kernel header files do. Fixes: a0a12c3e ("asm goto: eradicate CC_HAS_ASM_GOTO") Signed-off-by: Yang Jihong <yangjihong1@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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