Thread (8 messages) 8 messages, 3 authors, 2018-02-01

Re: [PATCH 2/3] compiler-gcc.h: __nostackprotector needs gcc-4.4 and up

From: Arnd Bergmann <arnd@arndb.de>
Date: 2018-02-01 15:29:57
Also in: lkml

On Thu, Feb 1, 2018 at 12:55 PM, Geert Uytterhoeven
[off-list ref] wrote:
Hi Arnd,

On Thu, Feb 1, 2018 at 12:46 PM, Arnd Bergmann [off-list ref] wrote:
quoted
On Thu, Feb 1, 2018 at 11:21 AM, Geert Uytterhoeven
[off-list ref] wrote:
quoted
Gcc versions before 4.4 do not recognize the __optimize__ compiler
attribute:
And we might want to remove the dummy in include/linux/compiler_types.h:

#ifndef __nostackprotector
# define __nostackprotector
#endif

BTW, how does this work with non-gcc compilers?
clang should in theory accept the same flags, and it pretends to be an older
version of gcc.

I don't think anyone cares about ICC or any other compiler.

    Arnd
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