linux-kernel - [PATCH 11/16] x86: cpu common merge get_cpu

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Message-Id: <1220584154-32497-11-git-send-email-yhlu.kernel@gmail.com>
Date:	Thu,  4 Sep 2008 20:09:09 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Yinghai Lu <yhlu.kernel@...il.com>
Subject: [PATCH 11/16] x86: cpu common merge get_cpu_cap

Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>
---
 arch/x86/kernel/cpu/common.c    |   20 ++++++++++++++++++++
 arch/x86/kernel/cpu/common_64.c |    2 ++
 2 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index b2018f7..ffc2f5e 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -458,6 +458,26 @@ static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
 			c->x86_capability[6] = cpuid_ecx(0x80000001);
 		}
 	}
+
+#ifdef CONFIG_X86_64
+	/* Transmeta-defined flags: level 0x80860001 */
+	xlvl = cpuid_eax(0x80860000);
+	if ((xlvl & 0xffff0000) == 0x80860000) {
+		/* Don't set x86_cpuid_level here for now to not confuse. */
+		if (xlvl >= 0x80860001)
+			c->x86_capability[2] = cpuid_edx(0x80860001);
+	}
+
+	if (c->extended_cpuid_level >= 0x80000007)
+		c->x86_power = cpuid_edx(0x80000007);
+
+	if (c->extended_cpuid_level >= 0x80000008) {
+		u32 eax = cpuid_eax(0x80000008);
+
+		c->x86_virt_bits = (eax >> 8) & 0xff;
+		c->x86_phys_bits = eax & 0xff;
+	}
+#endif
 }
 /*
  * Do minimum CPU detection early.
diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c
index 7ac0a00..75bb7ff 100644
--- a/arch/x86/kernel/cpu/common_64.c
+++ b/arch/x86/kernel/cpu/common_64.c
@@ -461,6 +461,7 @@ static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
 		}
 	}
 
+#ifdef CONFIG_X86_64
 	/* Transmeta-defined flags: level 0x80860001 */
 	xlvl = cpuid_eax(0x80860000);
 	if ((xlvl & 0xffff0000) == 0x80860000) {
@@ -478,6 +479,7 @@ static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
 		c->x86_virt_bits = (eax >> 8) & 0xff;
 		c->x86_phys_bits = eax & 0xff;
 	}
+#endif
 }
 
 /* Do some early cpuid on the boot CPU to get some parameter that are
-- 
1.5.4.5

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