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Rodriguez" To: hpa@zytor.com, acme@redhat.com, tglx@linutronix.de, mingo@redhat.com, jpoimboe@redhat.com, bp@alien8.de, npiggin@gmail.com, mhiramat@kernel.org, masami.hiramatsu.pt@hitachi.com, jbaron@akamai.com, heiko.carstens@de.ibm.com, ananth@linux.vnet.ibm.com, anil.s.keshavamurthy@intel.com, davem@davemloft.net, realmz6@gmail.com, dalias@libc.org, linux@arm.linux.org.uk Date: Wed, 21 Dec 2016 18:39:55 -0800 Message-Id: <20161222023958.21306-4-mcgrof@kernel.org> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20161222023958.21306-1-mcgrof@kernel.org> References: <1471642875-5957-1-git-send-email-mcgrof@kernel.org> <20161222023958.21306-1-mcgrof@kernel.org> X-Virus-Scanned: ClamAV using ClamSMTP Cc: gnomes@lxorguk.ukuu.org.uk, linux-ia64@vger.kernel.org, jkosina@suse.cz, benh@kernel.crashing.org, ming.lei@canonical.com, linux@rasmusvillemoes.dk, platform-driver-x86@vger.kernel.org, James.Bottomley@HansenPartnership.com, paul.gortmaker@windriver.com, paulus@samba.org, sparclinux@vger.kernel.org, wangnan0@huawei.com, mchehab@osg.samsung.com, linux-arch@vger.kernel.org, markus.heiser@darmarit.de, xen-devel@lists.xensource.com, msalter@redhat.com, linux-sh@vger.kernel.org, mpe@ellerman.id.au, joro@8bytes.org, x86@kernel.org, fontana@sharpeleven.org, dsahern@gmail.com, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, dvhart@infradead.org, dwmw2@infradead.org, linux@roeck-us.net, linux-xtensa@linux-xtensa.org, pali.rohar@gmail.com, keescook@chromium.org, arnd@arndb.de, jani.nikula@intel.com, will.deacon@arm.com, rusty@rustcorp.com.au, rostedt@goodmis.org, ak@linux.intel.com, namhyung@kernel.org, andriy.shevchenko@linux.intel.com, mcb30@ipxe.org, linux-kbuild@vger.kernel.org, alan@linux.intel.com, jgross@suse.com, chris@zankel.net, pebolle@tiscali.nl, tony.luck@intel.com, jcmvbkbc@gmail.com, gregkh@linuxfoundation.org, dmitry.torokhov@gmail.com, adrian.hunter@intel.com, luto@amacapital.net, "Luis R. Rodriguez" , mmarek@suse.com, david.vrabel@citrix.com, jolsa@kernel.org, andrew.cooper3@citrix.com, akpm@linux-foundation.org, torvalds@linux-foundation.org, korea.drzix@gmail.com Subject: [Xen-devel] [PATCH v2 3/6] tools: add __used and enable to override X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP This adds __used, to be used later in the userspace linker-tables sandbox. If any userspace applicaiton wants to override they can add their own definition and then use include_next. This definition should probably suffice for most uses cases though. Signed-off-by: Luis R. Rodriguez --- tools/include/linux/compiler.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h index e33fc1df3935..556c991de212 100644 --- a/tools/include/linux/compiler.h +++ b/tools/include/linux/compiler.h @@ -5,6 +5,12 @@ /* The "volatile" is due to gcc bugs */ #define barrier() __asm__ __volatile__("": : :"memory") + +/* You can override as you see fit on your userspace tool */ +#ifndef __used +#define __used __attribute__((__used__)) +#endif + #ifndef __always_inline # define __always_inline inline __attribute__((always_inline)) #endif