linux-kernel - [PATCH 29/64] Driver Core: x86: add nodename for cpuid and msr drivers.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1245131213-24168-29-git-send-email-gregkh@suse.de>
Date:	Mon, 15 Jun 2009 22:46:18 -0700
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Kay Sievers <kay.sievers@...y.org>, Jan Blunck <jblunck@...e.de>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 29/64] Driver Core: x86: add nodename for cpuid and msr drivers.

From: Kay Sievers <kay.sievers@...y.org>

This adds support to the x86 cpuid and msr drivers to report the proper
device name to userspace for their devices.

Signed-off-by: Kay Sievers <kay.sievers@...y.org>
Signed-off-by: Jan Blunck <jblunck@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 arch/x86/kernel/cpuid.c |    6 ++++++
 arch/x86/kernel/msr.c   |    6 ++++++
 2 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
index 2ac1f0c..b07af88 100644
--- a/arch/x86/kernel/cpuid.c
+++ b/arch/x86/kernel/cpuid.c
@@ -182,6 +182,11 @@ static struct notifier_block __refdata cpuid_class_cpu_notifier =
 	.notifier_call = cpuid_class_cpu_callback,
 };
 
+static char *cpuid_nodename(struct device *dev)
+{
+	return kasprintf(GFP_KERNEL, "cpu/%u/cpuid", MINOR(dev->devt));
+}
+
 static int __init cpuid_init(void)
 {
 	int i, err = 0;
@@ -198,6 +203,7 @@ static int __init cpuid_init(void)
 		err = PTR_ERR(cpuid_class);
 		goto out_chrdev;
 	}
+	cpuid_class->nodename = cpuid_nodename;
 	for_each_online_cpu(i) {
 		err = cpuid_device_create(i);
 		if (err != 0)
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 3cf3413..98fd6cd 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -196,6 +196,11 @@ static struct notifier_block __refdata msr_class_cpu_notifier = {
 	.notifier_call = msr_class_cpu_callback,
 };
 
+static char *msr_nodename(struct device *dev)
+{
+	return kasprintf(GFP_KERNEL, "cpu/%u/msr", MINOR(dev->devt));
+}
+
 static int __init msr_init(void)
 {
 	int i, err = 0;
@@ -212,6 +217,7 @@ static int __init msr_init(void)
 		err = PTR_ERR(msr_class);
 		goto out_chrdev;
 	}
+	msr_class->nodename = msr_nodename;
 	for_each_online_cpu(i) {
 		err = msr_device_create(i);
 		if (err != 0)
-- 
1.6.3.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/