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Groups > linux.kernel > #1403405

[PATCH] arm64: cpuinfo: add AArch64 & elf platform for app compatibility

From x00195127 <saberlily.xia@hisilicon.com>
Newsgroups linux.kernel
Subject [PATCH] arm64: cpuinfo: add AArch64 & elf platform for app compatibility
Date 2016-05-19 04:50 +0200
Message-ID <rAmc9-2ff-1@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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we find that some apps will read cpuinfo when start up,
they need the string  as follows:
"Processor       : AArch64 Processor rev 0 (aarch64)"

Then thay could load the corresponding libs. But now
arm64 platform's cpuinfo don't has this now, so
we need add this.

Signed-off-by: Qing Xia <saberlily.xia@hisilicon.com>
---
 arch/arm64/kernel/cpuinfo.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 3808470..c3527ad 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -114,6 +114,9 @@ static int c_show(struct seq_file *m, void *v)
 		 * online processors, looking for lines beginning with
 		 * "processor".  Give glibc what it expects.
 		 */
+		seq_printf(m, "Processor\t: AArch64 Processor rev %d (%s)\n",
+				read_cpuid_id() & 15, ELF_PLATFORM);
+
 		seq_printf(m, "processor\t: %d\n", i);
 
 		seq_printf(m, "BogoMIPS\t: %lu.%02lu\n",
-- 
1.8.3.2

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[PATCH] arm64: cpuinfo: add AArch64 & elf platform for app compatibility x00195127 <saberlily.xia@hisilicon.com> - 2016-05-19 04:50 +0200
  Re: [PATCH] arm64: cpuinfo: add AArch64 & elf platform for app compatibility Martinez Kristofer <kristofer.s.martinez@gmail.com> - 2016-05-19 12:20 +0200
  Re: [PATCH] arm64: cpuinfo: add AArch64 & elf platform for app  compatibility Catalin Marinas <catalin.marinas@arm.com> - 2016-05-19 12:50 +0200
    Re: [PATCH] arm64: cpuinfo: add AArch64 & elf platform for app  compatibility "Xiaqing (A)" <saberlily.xia@hisilicon.com> - 2016-05-19 13:20 +0200
      Re: [PATCH] arm64: cpuinfo: add AArch64 & elf platform for app  compatibility Catalin Marinas <catalin.marinas@arm.com> - 2016-05-19 15:00 +0200
        Re: [PATCH] arm64: cpuinfo: add AArch64 & elf platform for app  compatibility Catalin Marinas <catalin.marinas@arm.com> - 2016-05-19 15:20 +0200
          Re: [PATCH] arm64: cpuinfo: add AArch64 & elf platform for app  compatibility "Xiaqing (A)" <saberlily.xia@hisilicon.com> - 2016-05-20 05:30 +0200
            Re: [PATCH] arm64: cpuinfo: add AArch64 & elf platform for app  compatibility Catalin Marinas <catalin.marinas@arm.com> - 2016-05-20 12:00 +0200
  Re: [PATCH] arm64: cpuinfo: add AArch64 & elf platform for app  compatibility Robin Murphy <robin.murphy@arm.com> - 2016-05-19 13:10 +0200
    Re: [PATCH] arm64: cpuinfo: add AArch64 & elf platform for app  compatibility "Xiaqing (A)" <saberlily.xia@hisilicon.com> - 2016-05-19 13:50 +0200

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