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Date: Mon, 30 Nov 2015 14:24:59 -0800
From: "H. Peter Anvin" <hpa@...or.com>
To: pageexec@...email.hu, linux-kernel@...r.kernel.org,
Kees Cook <keescook@...omium.org>
Cc: Andy Lutomirski <luto@...capital.net>,
Michael Ellerman <mpe@...erman.id.au>,
Mathias Krause <minipli@...glemail.com>,
Ingo Molnar <mingo@...hat.com>, Thomas Gleixner <tglx@...utronix.de>,
x86@...nel.org, Arnd Bergmann <arnd@...db.de>,
Emese Revfy <re.emese@...il.com>, kernel-hardening@...ts.openwall.com,
linux-arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH v2 2/4] introduce post-init read-only memory
On 11/25/15 16:15, PaX Team wrote:
> On 25 Nov 2015 at 15:31, Kees Cook wrote:
>
>> diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
>> index c4bd0e2c173c..772c784ba763 100644
>> --- a/include/asm-generic/vmlinux.lds.h
>> +++ b/include/asm-generic/vmlinux.lds.h
>> @@ -256,6 +256,7 @@
>> .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
>> VMLINUX_SYMBOL(__start_rodata) = .; \
>> *(.rodata) *(.rodata.*) \
>> + *(.data..ro_after_init) /* Read only after init */ \
> ^^^^^^^^^^^
> looks like it's tabs vs. spaces...
>
One more thing... double dots I think has special meanings to gcc, so it
might be better to avoid.
-hpa
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