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Fri, 30 Oct 2026 10:46:42 -0700 (PDT) Received: from [192.168.0.9] ([47.64.112.102]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4abf60f1114sm77200805e9.7.2026.10.30.10.46.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 30 Oct 2026 10:46:41 -0700 (PDT) Message-ID: Date: Fri, 30 Oct 2026 18:46:39 +0100 X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [arnd-asm-generic:asm-generic 15/15] /usr/aarch64-linux-gnu/include/linux/types.h:12: Error: unknown mnemonic `typedef' -- `typedef __signed__ __int128 __s128 __attribute__((aligned(16)))' To: Arnd Bergmann , kernel test robot Cc: oe-kbuild-all@lists.linux.dev, Linux-Arch , Shuah Khan , linux-kselftest@vger.kernel.org, "Jason A. Donenfeld" , =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= References: <202610291918.kHO0GTDB-lkp@intel.com> <9e294bfd-4704-42a5-a704-f301f4afe042@app.fastmail.com> Content-Language: en-US From: Thomas Huth Autocrypt: addr=thuth@redhat.com; keydata= xsFNBFH7eUwBEACzyOXKU+5Pcs6wNpKzrlJwzRl3VGZt95VCdb+FgoU9g11m7FWcOafrVRwU yYkTm9+7zBUc0sW5AuPGR/dp3pSLX/yFWsA/UB4nJsHqgDvDU7BImSeiTrnpMOTXb7Arw2a2 4CflIyFqjCpfDM4MuTmzTjXq4Uov1giGE9X6viNo1pxyEpd7PanlKNnf4PqEQp06X4IgUacW tSGj6Gcns1bCuHV8OPWLkf4hkRnu8hdL6i60Yxz4E6TqlrpxsfYwLXgEeswPHOA6Mn4Cso9O 0lewVYfFfsmokfAVMKWzOl1Sr0KGI5T9CpmRfAiSHpthhHWnECcJFwl72NTi6kUcUzG4se81 O6n9d/kTj7pzTmBdfwuOZ0YUSqcqs0W+l1NcASSYZQaDoD3/SLk+nqVeCBB4OnYOGhgmIHNW 0CwMRO/GK+20alxzk//V9GmIM2ACElbfF8+Uug3pqiHkVnKqM7W9/S1NH2qmxB6zMiJUHlTH gnVeZX0dgH27mzstcF786uPcdEqS0KJuxh2kk5IvUSL3Qn3ZgmgdxBMyCPciD/1cb7/Ahazr 3ThHQXSHXkH/aDXdfLsKVuwDzHLVSkdSnZdt5HHh75/NFHxwaTlydgfHmFFwodK8y/TjyiGZ zg2Kje38xnz8zKn9iesFBCcONXS7txENTzX0z80WKBhK+XSFJwARAQABzR5UaG9tYXMgSHV0 aCA8dGh1dGhAcmVkaGF0LmNvbT7CwXgEEwECACIFAlVgX6oCGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAAoJEC7Z13T+cC21EbIP/ii9cvT2HHGbFRl8HqGT6+7Wkb+XLMqJBMAIGiQK QIP3xk1HPTsLfVG0ao4hy/oYkGNOP8+ubLnZen6Yq3zAFiMhQ44lvgigDYJo3Ve59gfe99KX EbtB+X95ODARkq0McR6OAsPNJ7gpEUzfkQUUJTXRDQXfG/FX303Gvk+YU0spm2tsIKPl6AmV 1CegDljzjycyfJbk418MQmMu2T82kjrkEofUO2a24ed3VGC0/Uz//XCR2ZTo+vBoBUQl41BD eFFtoCSrzo3yPFS+w5fkH9NT8ChdpSlbNS32NhYQhJtr9zjWyFRf0Zk+T/1P7ECn6gTEkp5k ofFIA4MFBc/fXbaDRtBmPB0N9pqTFApIUI4vuFPPO0JDrII9dLwZ6lO9EKiwuVlvr1wwzsgq zJTPBU3qHaUO4d/8G+gD7AL/6T4zi8Jo/GmjBsnYaTzbm94lf0CjXjsOX3seMhaE6WAZOQQG tZHAO1kAPWpaxne+wtgMKthyPLNwelLf+xzGvrIKvLX6QuLoWMnWldu22z2ICVnLQChlR9d6 WW8QFEpo/FK7omuS8KvvopFcOOdlbFMM8Y/8vBgVMSsK6fsYUhruny/PahprPbYGiNIhKqz7 UvgyZVl4pBFjTaz/SbimTk210vIlkDyy1WuS8Zsn0htv4+jQPgo9rqFE4mipJjy/iboDzsFN BFH7eUwBEAC2nzfUeeI8dv0C4qrfCPze6NkryUflEut9WwHhfXCLjtvCjnoGqFelH/PE9NF4 4VPSCdvD1SSmFVzu6T9qWdcwMSaC+e7G/z0/AhBfqTeosAF5XvKQlAb9ZPkdDr7YN0a1XDfa +NgA+JZB4ROyBZFFAwNHT+HCnyzy0v9Sh3BgJJwfpXHH2l3LfncvV8rgFv0bvdr70U+On2XH 5bApOyW1WpIG5KPJlDdzcQTyptOJ1dnEHfwnABEfzI3dNf63rlxsGouX/NFRRRNqkdClQR3K gCwciaXfZ7ir7fF0u1N2UuLsWA8Ei1JrNypk+MRxhbvdQC4tyZCZ8mVDk+QOK6pyK2f4rMf/ WmqxNTtAVmNuZIwnJdjRMMSs4W4w6N/bRvpqtykSqx7VXcgqtv6eqoDZrNuhGbekQA0sAnCJ VPArerAZGArm63o39me/bRUQeQVSxEBmg66yshF9HkcUPGVeC4B0TPwz+HFcVhheo6hoJjLq knFOPLRj+0h+ZL+D0GenyqD3CyuyeTT5dGcNU9qT74bdSr20k/CklvI7S9yoQje8BeQAHtdV cvO8XCLrpGuw9SgOS7OP5oI26a0548M4KldAY+kqX6XVphEw3/6U1KTf7WxW5zYLTtadjISB X9xsRWSU+Yqs3C7oN5TIPSoj9tXMoxZkCIHWvnqGwZ7JhwARAQABwsFfBBgBAgAJBQJR+3lM AhsMAAoJEC7Z13T+cC21hPAQAIsBL9MdGpdEpvXs9CYrBkd6tS9mbaSWj6XBDfA1AEdQkBOn ZH1Qt7HJesk+qNSnLv6+jP4VwqK5AFMrKJ6IjE7jqgzGxtcZnvSjeDGPF1h2CKZQPpTw890k fy18AvgFHkVk2Oylyexw3aOBsXg6ukN44vIFqPoc+YSU0+0QIdYJp/XFsgWxnFIMYwDpxSHS 5fdDxUjsk3UBHZx+IhFjs2siVZi5wnHIqM7eK9abr2cK2weInTBwXwqVWjsXZ4tq5+jQrwDK cvxIcwXdUTLGxc4/Z/VRH1PZSvfQxdxMGmNTGaXVNfdFZjm4fz0mz+OUi6AHC4CZpwnsliGV ODqwX8Y1zic9viSTbKS01ZNp175POyWViUk9qisPZB7ypfSIVSEULrL347qY/hm9ahhqmn17 Ng255syASv3ehvX7iwWDfzXbA0/TVaqwa1YIkec+/8miicV0zMP9siRcYQkyTqSzaTFBBmqD oiT+z+/E59qj/EKfyce3sbC9XLjXv3mHMrq1tKX4G7IJGnS989E/fg6crv6NHae9Ckm7+lSs IQu4bBP2GxiRQ+NV3iV/KU3ebMRzqIC//DCOxzQNFNJAKldPe/bKZMCxEqtVoRkuJtNdp/5a yXFZ6TfE1hGKrDBYAm4vrnZ4CXFSBDllL59cFFOJCkn4Xboj/aVxxJxF30bn In-Reply-To: <9e294bfd-4704-42a5-a704-f301f4afe042@app.fastmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 29/10/2026 23.13, Arnd Bergmann wrote: > On Thu, Oct 29, 2026, at 19:09, kernel test robot wrote: >> tree: >> https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git >> asm-generic >> head: dd7cc8c26b6a37a54adc5ce38d286521b7201044 >> commit: dd7cc8c26b6a37a54adc5ce38d286521b7201044 [15/15] treewide: Stop >> defining __ASSEMBLY__ for assembler files > > Hi Thomas, > >> config: arm64-allnoconfig-bpf >> (https://download.01.org/0day-ci/archive/20261029/202610291918.kHO0GTDB-lkp@intel.com/config) >> compiler: aarch64-linux-gnu-gcc (Debian 14.2.0-19) 14.2.0 >> reproduce (this is a W=1 build): >> (https://download.01.org/0day-ci/archive/20261029/202610291918.kHO0GTDB-lkp@intel.com/reproduce) >> >> If you fix the issue in a separate patch/commit (i.e. not just a new >> version of >> the same patch/commit), kindly add following tags >> | Reported-by: kernel test robot >> | Closes: >> https://lore.kernel.org/oe-kbuild-all/202610291918.kHO0GTDB-lkp@intel.com/ >> >> Note: the arnd-asm-generic/asm-generic HEAD >> dd7cc8c26b6a37a54adc5ce38d286521b7201044 builds fine. >> It only hurts bisectability. >> >> All errors (new ones prefixed by >>): >> >> /usr/aarch64-linux-gnu/include/asm-generic/int-ll64.h: Assembler messages: >>>> /usr/aarch64-linux-gnu/include/asm-generic/int-ll64.h:20: Error: unknown mnemonic `typedef' -- `typedef __signed__ char __s8' >>>> /usr/aarch64-linux-gnu/include/asm-generic/int-ll64.h:21: Error: unknown mnemonic `typedef' -- `typedef unsigned char __u8' > > > From what I can tell, this happens after your last patch when cross-compiling > kselftest against system headers that still check for __ASSEMBLY__ instead of > __ASSEMBLER__. > > The command from the build log is: > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 -C tools/testing/selftests > > The command that causes this is > > gcc -std=gnu99 -O2 -Wall -Wstrict-prototypes -D_GNU_SOURCE= -I/home/arnd/arm-soc/asm-generic/tools/testing/selftests/../../../tools/testing/selftests -idirafter /home/arnd/arm-soc/asm-generic/tools/testing/selftests/../../../tools/include -idirafter /home/arnd/arm-soc/asm-generic/tools/testing/selftests/../../../tools/include/generated -idirafter /home/arnd/arm-soc/asm-generic/tools/testing/selftests/../../../arch/arm64/include -idirafter /home/arnd/arm-soc/asm-generic/tools/testing/selftests/../../../include -Wa,--noexecstack vdso_test_chacha.c vgetrandom-chacha.S -o /home/arnd/arm-soc/build/tmp/kselftest/vDSO/vdso_test_chacha > > and looking at the preprocessed file, I see a wild mix of tools/include, > ${srctree}/arch/arm64/include/ and /usr/include. I also see that at least > part of the problem is that arch/arm64/kernel/vdso/vgetrandom-chacha.S > includes arch/arm64/include/asm/assembler.h, which then goes on to include > the world. After getting access to an aarch64 host, I was finally able to reproduce the problem. I think it's likely best if we force the selftest to use the headers from the current kernel sources instead of using the headers from /usr/include ... i.e. this patch fixes the issue for me: https://lore.kernel.org/lkml/20261030174323.370687-1-thuth@redhat.com/ WDYT? Thomas