linux-kernel - stack-protector: fix CC_HAS_STACKPROTECTOR

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Date:   Sat, 12 Jan 2019 11:56:09 +0800
From:   "隆春" <longchun.lc@...baba-inc.com>
To:     "yamada.masahiro" <yamada.masahiro@...ionext.com>
Cc:     "李诚(允诚)" <lc85446@...baba-inc.com>,
        "李丹(斗铠)" <doukai.ld@...baba-inc.com>,
        "许来光(朔飞)" <laiguang.xlg@...baba-inc.com>,
        "邬桅桅(无帆)" <tom.www@...baba-inc.com>,
        "李耀(败天)" <yao.ly@...baba-inc.com>,
        "王佳琦(凌夜)" <jiaqi.wjq@...baba-inc.com>,
        "申晨(孤韧)" <shenchen@...baba-inc.com>,
        "keescook" <keescook@...omium.org>,
        "linux-kernel" <linux-kernel@...r.kernel.org>,
        "akpm" <akpm@...ux-foundation.org>, "tglx" <tglx@...utronix.de>,
        "mingo" <mingo@...nel.org>
Subject: stack-protector: fix CC_HAS_STACKPROTECTOR_NONE depend on -fno-stack-protector

commit（2a61f4747eeaa85ce26ca9fbd81421b15facd018）rename CC_STACKPROTECTOR_NONE
config. but unfortunately if the compiler support option -fno-stack-protector, 
CC_HAS_STACKPROTECTOR_NONE will not be disabled.

CC_HAS_STACKPROTECTOR_NONE and CC_STACKPROTECTOR_STRONG will be enabled at once,
as the following conditions:
        1. gcc support -fno-stack-protector & -fstack-protector-strong
        2. enabled CC_STACKPROTECTOR_STRONG & STACKPROTECTOR
        3. disabled CC_HAS_STACKPROTECTOR_NONE




Download attachment "0001-stack-protector-fix-CC_HAS_STACKPROTECTOR_NONE-depen.patch" of type "application/octet-stream" (1418 bytes)