LoongArch: Add HWCAP_LOONGARCH_CPUCFG to elf_hwcap

commit d52fec86a465355b379e839fa372ead0334d62e6 upstream.

HWCAP_LOONGARCH_CPUCFG is missing in elf_hwcap, so add it for glibc's
later use.

Cc: stable@vger.kernel.org
Reported-by: Yinyu Cai <caiyinyu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/loongarch/kernel/cpu-probe.c b/arch/loongarch/kernel/cpu-probe.c
index 255a098..3a3fce2 100644 (file)
--- a/arch/loongarch/kernel/cpu-probe.c
+++ b/arch/loongarch/kernel/cpu-probe.c
@@ -94,7 +94,7 @@ static void cpu_probe_common(struct cpuinfo_loongarch *c)
        c->options = LOONGARCH_CPU_CPUCFG | LOONGARCH_CPU_CSR |
                     LOONGARCH_CPU_TLB | LOONGARCH_CPU_VINT | LOONGARCH_CPU_WATCH;
 
-       elf_hwcap |= HWCAP_LOONGARCH_CRC32;
+       elf_hwcap = HWCAP_LOONGARCH_CPUCFG | HWCAP_LOONGARCH_CRC32;
 
        config = read_cpucfg(LOONGARCH_CPUCFG1);
        if (config & CPUCFG1_UAL) {