linux-kernel - [PATCH RFC] arm64: improve display about CPU architecture in cpuinfo

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Message-Id: <20220307030417.22974-1-rongwei.wang@linux.alibaba.com>
Date:   Mon,  7 Mar 2022 11:04:17 +0800
From:   Rongwei Wang <rongwei.wang@...ux.alibaba.com>
To:     catalin.marinas@....com, will@...nel.org, maz@...nel.org,
        joey.gouly@....com, mark.rutland@....com, akpm@...ux-foundation.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH RFC] arm64: improve display about CPU architecture in cpuinfo

Now, it is unsuitable for both ARMv8 and ARMv9 to show a
fixed string "CPU architecture: 8" in /proc/cpuinfo.

Signed-off-by: Rongwei Wang <rongwei.wang@...ux.alibaba.com>
---
 arch/arm64/kernel/cpuinfo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 330b92e..6d9b7e8 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -195,7 +195,7 @@ static int c_show(struct seq_file *m, void *v)
 
 		seq_printf(m, "CPU implementer\t: 0x%02x\n",
 			   MIDR_IMPLEMENTOR(midr));
-		seq_printf(m, "CPU architecture: 8\n");
+		seq_printf(m, "CPU architecture: aarch64\n");
 		seq_printf(m, "CPU variant\t: 0x%x\n", MIDR_VARIANT(midr));
 		seq_printf(m, "CPU part\t: 0x%03x\n", MIDR_PARTNUM(midr));
 		seq_printf(m, "CPU revision\t: %d\n\n", MIDR_REVISION(midr));
-- 
1.8.3.1