From: Huacai Chen <chenhuacai@loongson.cn>
Date: Tue, 17 Jan 2023 03:42:16 +0000 (+0800)
Subject: LoongArch: Add HWCAP_LOONGARCH_CPUCFG to elf_hwcap
X-Git-Tag: v6.1.8~147
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=87615c0e5351c828888f96e8eb0dd96fff947dad;p=platform%2Fkernel%2Flinux-starfive.git

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
--- 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) {