From: Andy Lutomirski <luto@amacapital.net>
To: Thomas Garnier <thgarnie@google.com>
Cc: "Thomas Gleixner" <tglx@linutronix.de>,
"Ingo Molnar" <mingo@redhat.com>,
"H . Peter Anvin" <hpa@zytor.com>,
"Kees Cook" <keescook@chromium.org>,
"Rafael J . Wysocki" <rjw@rjwysocki.net>,
"Pavel Machek" <pavel@ucw.cz>,
"Andy Lutomirski" <luto@kernel.org>,
"Borislav Petkov" <bp@suse.de>,
"Christian Borntraeger" <borntraeger@de.ibm.com>,
"Brian Gerst" <brgerst@gmail.com>,
"He Chen" <he.chen@linux.intel.com>,
"Dave Hansen" <dave.hansen@intel.com>,
"Chen Yucong" <slaoub@gmail.com>, "Baoquan He" <bhe@redhat.com>,
"Paul Gortmaker" <paul.gortmaker@windriver.com>,
"Joerg Roedel" <joro@8bytes.org>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Radim Krčmář" <rkrcmar@redhat.com>,
"Fenghua Yu" <fenghua.yu@intel.com>, "X86 ML" <x86@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"kvm list" <kvm@vger.kernel.org>,
"kernel-hardening@lists.openwall.com"
<kernel-hardening@lists.openwall.com>
Subject: Re: [PATCH v1 1/3] x86/mm: Adapt MODULES_END based on Fixmap section size
Date: Fri, 20 Jan 2017 14:24:42 -0800 [thread overview]
Message-ID: <CALCETrVt38oa6C+-JD1B+4wXnkB8ySUksZ55k0+Bz4dbusYWDA@mail.gmail.com> (raw)
In-Reply-To: <20170120164126.27624-1-thgarnie@google.com>
On Fri, Jan 20, 2017 at 8:41 AM, Thomas Garnier <thgarnie@google.com> wrote:
> This patch aligns MODULES_END to the beginning of the Fixmap section.
> It optimizes the space available for both sections. The address is
> pre-computed based on the number of pages required by the Fixmap
> section.
>
> It will allow GDT remapping in the Fixmap section. The current
> MODULES_END static address does not provide enough space for the kernel
> to support a large number of processors.
>
> Signed-off-by: Thomas Garnier <thgarnie@google.com>
Looks good to me.
next prev parent reply other threads:[~2017-01-20 22:25 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-20 16:41 [PATCH v1 1/3] x86/mm: Adapt MODULES_END based on Fixmap section size Thomas Garnier
2017-01-20 16:41 ` [PATCH v1 2/3] x86: Remap GDT tables in the Fixmap section Thomas Garnier
2017-01-21 0:57 ` Andy Lutomirski
2017-01-21 1:06 ` Thomas Garnier
2017-01-25 20:10 ` Thomas Garnier
2017-01-21 2:23 ` kbuild test robot
2017-01-21 2:34 ` kbuild test robot
2017-01-20 16:41 ` [PATCH v1 3/3] x86: Make the GDT remapping read-only on 64 bit Thomas Garnier
2017-01-21 1:06 ` Andy Lutomirski
2017-01-21 1:14 ` Thomas Garnier
2017-01-20 22:24 ` Andy Lutomirski [this message]
2017-01-21 2:43 ` [PATCH v1 1/3] x86/mm: Adapt MODULES_END based on Fixmap section size kbuild test robot
2017-01-21 3:21 ` kbuild test robot
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