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From: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Tim Gardner <tim.gardner@canonical.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Gleb Natapov <gleb@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	KVM list <kvm@vger.kernel.org>, Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: [PATCH 3.12-rc7] KVM: Fix modprobe failure for kvm_intel/kvm_amd
Date: Wed, 30 Oct 2013 19:25:20 +0530	[thread overview]
Message-ID: <52710FC8.8060309@linux.vnet.ibm.com> (raw)
In-Reply-To: <20131029200012.GA19769@kroah.com>

On 10/30/2013 01:30 AM, Greg KH wrote:
[...]
>> debugfs_create_dir() currently returns NULL dentry on both
>> EEXIST, ENOMEM ... cases.
>>
>> Could one solution be cascading actual error
>> that is lost in fs/debugfs/inode.c:__create_file(), so that we could
>> take correct action in case of failure of debugfs_create_dir()?
>
> What would you do here?  You shouldn't really care about debugfs files,
> if there's an error, keep on going, no code path should really care,
> right?
>
Thanks Greg.

Yes you are right. we can't do anything useful after that error.

If debugfs directories are not critical, may be we could
continue from there.


  reply	other threads:[~2013-10-30 13:54 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-29 15:13 [PATCH 3.12-rc7] KVM: Fix modprobe failure for kvm_intel/kvm_amd Tim Gardner
2013-10-29 16:45 ` Linus Torvalds
2013-10-29 19:27   ` Raghavendra K T
2013-10-29 19:33     ` Linus Torvalds
2013-10-30 14:01       ` Raghavendra K T
2013-10-30 14:23         ` Greg KH
2013-10-30 15:39           ` Raghavendra K T
2013-10-30 15:46             ` Paolo Bonzini
2013-10-30 15:59               ` Greg KH
2013-10-30 16:08                 ` Paolo Bonzini
2013-10-30 16:23                   ` Greg KH
2013-10-30 16:40                     ` Paolo Bonzini
2013-10-29 20:00     ` Greg KH
2013-10-30 13:55       ` Raghavendra K T [this message]
2013-10-29 17:16 ` Paolo Bonzini

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