On Wed, Apr 18, 2018 at 11:26:48AM +0200, Aurélien Aptel wrote: > Just forwarding a question I saw on linux-fsdevel: > > | From: Steve French <smfrench@xxxxxxxxx> > | Date: Wed, 4 Apr 2018 18:05:04 -0500 > | Subject: Noisy Sparse warnings > | To: LKML <linux-kernel@xxxxxxxxxxxxxxx>, > | linux-fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx> > | Sender: linux-fsdevel-owner@xxxxxxxxxxxxxxx > | Precedence: bulk > | List-ID: <linux-fsdevel.vger.kernel.org> > | X-Mailing-List: linux-fsdevel@xxxxxxxxxxxxxxx > | > | I have been getting the following sparse warnings repeatedly on my > | current Ubutu (17.10) when compiling the current mainline kernel: > | > | ./arch/x86/include/asm/nospec-branch.h:144:38: warning: Unknown escape '@' > | ./include/linux/string.h:239:1: error: attribute 'gnu_inline': unknown attribute > | > | I get the same sparse error whether I use the default sparse that > | Ubuntu ships (0.5.0) or the current sparse (0.5.2-rc1) > | > | Ideas? Thanks for the report. For the second warning, this will indeed happen with sparse-0.5.0 but have been fixed later. It certainly shouldn't happen with sparse-0.5.1 (where sparse have been teached about 'gnu_inline') and even more so with 0.5.2-rc1 where such warnings have been disabled by default. For the first warning, it looks as a problem which have also been fixed before sparse-0.5.1. @Steve, Can you check that you're really using a recent sparse like 0.5.1 or 0.5.2-rc1? Regards, -- Luc -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
