From: Borislav Petkov <bp@alien8.de>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
chris@arachsys.com, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, Borislav Petkov <bp@suse.de>
Subject: Re: [PATCH] x86: kvm: use alternatives for VMCALL vs. VMMCALL if kernel text is read-only
Date: Mon, 22 Sep 2014 21:43:35 +0200 [thread overview]
Message-ID: <20140922194335.GB5119@pd.tnic> (raw)
In-Reply-To: <1411384668-11135-1-git-send-email-pbonzini@redhat.com>
On Mon, Sep 22, 2014 at 01:17:48PM +0200, Paolo Bonzini wrote:
> On x86_64, kernel text mappings are mapped read-only with CONFIG_DEBUG_RODATA.
Hmm, that depends on DEBUG_KERNEL.
I think you're actually talking about distro kernels which enable
CONFIG_DEBUG_RODATA, right?
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
next prev parent reply other threads:[~2014-09-22 19:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-22 11:17 [PATCH] x86: kvm: use alternatives for VMCALL vs. VMMCALL if kernel text is read-only Paolo Bonzini
2014-09-22 19:43 ` Borislav Petkov [this message]
2014-09-23 8:00 ` Paolo Bonzini
2014-09-23 8:27 ` Borislav Petkov
2014-09-24 19:39 ` Thomas Gleixner
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