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Date: Tue, 31 Mar 2015 19:17:36 -0700 From: Guenter Roeck <linux@...ck-us.net> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org> CC: Stephen Rothwell <sfr@...b.auug.org.au>, linux-next@...r.kernel.org, linux-kernel@...r.kernel.org, Tony Lindgren <tony@...mide.com>, Felipe Balbi <balbi@...com>, Ard Biesheuvel <ard.biesheuvel@...aro.org>, Russell King <rmk+kernel@....linux.org.uk>, Arnd Bergmann <arnd@...db.de>, Lad@...ck-us.net, Prabhakar <prabhakar.csengg@...il.com>, Thomas Gleixner <tglx@...utronix.de>, Daniel Mack <daniel@...que.org>, Mikko Perttunen <mperttunen@...dia.com>, Thierry Reding <treding@...dia.com> Subject: Re: linux-next: Tree for Mar 31 (build failures and culprits) On 03/31/2015 04:07 PM, Greg Kroah-Hartman wrote: > On Tue, Mar 31, 2015 at 09:16:40AM -0700, Guenter Roeck wrote: >> On Wed, Apr 01, 2015 at 12:02:21AM +1100, Stephen Rothwell wrote: >>> Hi all, >>> >>> Changes since 20150330: >>> >>> The arm64 tree gained a conflict against the arm-soc tree. >>> >>> The idle tree gained a build failure so I used the version from >>> next-20150327. >>> >>> The tip tree gained conflicts against the pm tree. >>> >>> The akpm tree gained a conflict against the mips tree. >>> >>> Non-merge commits (relative to Linus' tree): 7277 >>> 6623 files changed, 304342 insertions(+), 138111 deletions(-) >>> >>> ---------------------------------------------------------------------------- >>> >> >> Build results: >> total: 121 pass: 94 fail: 27 >> Failed builds: >> alpha:allmodconfig >> arm:rpc_defconfig >> arm64:defconfig >> cris:defconfig >> cris:etrax-100lx_defconfig >> cris:allnoconfig >> frv:defconfig >> i386:allyesconfig >> i386:allmodconfig >> ia64:defconfig >> m32r:defconfig >> m68k:defconfig >> m68k:allmodconfig >> m68k:sun3_defconfig >> m68k:m5272c3_defconfig >> m68k:m5307c3_defconfig >> m68k:m5249evb_defconfig >> m68k:m5407c3_defconfig >> m68k:m5475evb_defconfig >> mips:allmodconfig >> parisc:defconfig >> parisc:generic-32bit_defconfig >> parisc:a500_defconfig >> parisc:generic-64bit_defconfig >> x86_64:allyesconfig >> xtensa:defconfig >> xtensa:allmodconfig >> >> --- >> alpha:allmodconfig >> mips:allmodconfig >> >> samples/kdbus/kdbus-workers.c: In function ‘prime_new’: >> samples/kdbus/kdbus-workers.c:930:18: error: ‘__NR_memfd_create’ undeclared >> (first use in this function) >> p->fd = syscall(__NR_memfd_create, "prime-area", MFD_CLOEXEC); >> >> Looks like the kdbus example never worked for the affected architectures. >> I don't build allmodconfig for all architectures, so other architectures >> may be affected as well. > > You need 3.17 kernel headers to have memfd_create, not much the kdbus > test code can do about that. You might want to update the kernel > headers for these build boxes. > Seems there are brand-new requirements for kernel builds. The toolchain determines the headers used, not the native kernel (which, FWIW, is 3.19). You might want to document somewhere that "allmodconfig" and possibly "allyesconfig" now only builds if the toolchain is based on 3.17+ kernel headers. I think I'll just drop those allmodconfig builds instead, or find a means to drop the samples/kdbus builds. Sorry, my time is limited. Building toolchains costs a lot of time, which I simply don't have. Keep in mind that I am doing all this on my own spare time. You are putting a lot of burden on people doing test builds. Guenter -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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