On 3/30/20 2:17 PM, Vineet Gupta wrote: > On 3/30/20 1:40 PM, Alexey Brodkin wrote: >> Hi Andy, Geert, >> >>> -----Original Message----- >>> From: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> >>> Sent: Monday, March 30, 2020 4:28 PM >>> To: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>; Alexey Brodkin <abrodkin@xxxxxxxxxxxx> >>> Cc: Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx> >>> Subject: Re: Build regressions/improvements in v5.6 >>> >>> On Mon, Mar 30, 2020 at 4:26 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: >>>> >>>> Hi Andy, >>>> >>>> On Mon, Mar 30, 2020 at 3:08 PM Andy Shevchenko >>>> <andy.shevchenko@xxxxxxxxx> wrote: >>>>> On Mon, Mar 30, 2020 at 12:00 PM Geert Uytterhoeven >>>>> <geert@xxxxxxxxxxxxxx> wrote: >>>>>> Below is the list of build error/warning regressions/improvements in >>>>>> v5.6[1] compared to v5.5[2]. >>>>> >>>>>> + /kisskb/src/include/linux/dev_printk.h: warning: format '%zu' expects argument of type >>> 'size_t', but argument 8 has type 'unsigned int' [-Wformat=]: => 232:23 >>>>> >>>>> This is interesting... I checked all dev_WARN_ONCE() and didn't find an issue. >>>> >>>> arcv2/axs103_smp_defconfig >>>> >>>> It's probably due to a broken configuration for the arc toolchain. >>> >>> Alexey, do have any insight? >> >> I think I do have some but first I'd like to get it reproduced myself. >> I just built v5.6 with help of both GCC 8.3.1- & 9.3.1-based toolchains >> and didn't see a single warning. So I guess I was doing something wrong. >> >> FWIW >> >> 1. My GCC 8.3.1 toolchain was exactly this: >> https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/releases/download/arc-2019.09-release/arc_gnu_2019.09_prebuilt_uclibc_le_archs_linux_install.tar.gz >> >> 2. Linux kernel is vanilla v5.6.0 >> >> 3. Configured and built as simple as: >> make axs103_smp_defconfig && make > > It seems the build service is using a arc toolchain built in 2016 :-) > > # < /opt/cross/kisskb/br-arcle-hs38-full-2016.08-613-ge98b4dd/bin/arc-linux-gcc > > Call it Murphy's law, same year a little later I'd fixed the same issue in gcc [1] > > [1] http://lists.infradead.org/pipermail/linux-snps-arc/2016-October/001661.html > > @Guenter could you please consider updating the ARC tools. FWIW you can build > stuff off upstream gcc/binutils using build system of your choice. > I am currently using vanilla gcc 9.2.0 to build arc and arcv2 images. Are you saying that I need to update to gcc 9.3.0 ? gcc 9.3.0 was released only a couple of weeks ago. I don't usually jump onto new compiler releases that quickly because each release tends to have regressions. [ Never mind, I just noticed Geert's reply. Still.... ] Guenter _______________________________________________ linux-snps-arc mailing list linux-snps-arc@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-snps-arc
