[PATCH] arm64/cpuinfo: Show right CPU architecture information
From: Liguang Zhang <hidden>
Date: 2021-01-19 11:07:37
Also in:
lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
CPU architecture is assigned to be a fixed value, it should be obtained from midr register. Signed-off-by: Liguang Zhang <redacted> --- 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 77605aec25fe..0bd11e0fe9f2 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c@@ -191,7 +191,7 @@ 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: %d\n", MIDR_ARCHITECTURE(midr)); 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));
--
2.19.1.6.gb485710b
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