linux-kernel - [tip:x86/spinlocks] kvm guest: Add configuration support to enable debug information for KVM Guests

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <tip-1e20eb8557cdabf76473b09572be8aa8a2bb9bc0@git.kernel.org>
Date:	Sat, 10 Aug 2013 09:15:26 -0700
From:	tip-bot for Srivatsa Vaddagiri <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, vatsa@...ux.vnet.ibm.com,
	hpa@...or.com, mingo@...nel.org, gleb@...hat.com,
	raghavendra.kt@...ux.vnet.ibm.com, suzuki@...ibm.com,
	tglx@...utronix.de, hpa@...ux.intel.com
Subject: [tip:x86/spinlocks] kvm guest:
  Add configuration support to enable debug information for KVM Guests

Commit-ID:  1e20eb8557cdabf76473b09572be8aa8a2bb9bc0
Gitweb:     http://git.kernel.org/tip/1e20eb8557cdabf76473b09572be8aa8a2bb9bc0
Author:     Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
AuthorDate: Fri, 9 Aug 2013 19:52:01 +0530
Committer:  H. Peter Anvin <hpa@...ux.intel.com>
CommitDate: Fri, 9 Aug 2013 07:54:18 -0700

kvm guest: Add configuration support to enable debug information for KVM Guests

Signed-off-by: Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1376058122-8248-14-git-send-email-raghavendra.kt@linux.vnet.ibm.com
Signed-off-by: Suzuki Poulose <suzuki@...ibm.com>
Signed-off-by: Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>
Acked-by: Gleb Natapov <gleb@...hat.com>
Acked-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
---
 arch/x86/Kconfig | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 112e712..b1fb846 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -657,6 +657,15 @@ config KVM_GUEST
 	  underlying device model, the host provides the guest with
 	  timing infrastructure such as time of day, and system time
 
+config KVM_DEBUG_FS
+	bool "Enable debug information for KVM Guests in debugfs"
+	depends on KVM_GUEST && DEBUG_FS
+	default n
+	---help---
+	  This option enables collection of various statistics for KVM guest.
+	  Statistics are displayed in debugfs filesystem. Enabling this option
+	  may incur significant overhead.
+
 source "arch/x86/lguest/Kconfig"
 
 config PARAVIRT_TIME_ACCOUNTING
--
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/