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[198.48.202.89]) by smtp.gmail.com with ESMTPSA id j45sm14841840qtk.31.2020.07.18.13.18.25 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 18 Jul 2020 13:18:26 -0700 (PDT) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 In-Reply-To: <202007150718.6LcA4qZN%lkp@intel.com> Date: Sat, 18 Jul 2020 16:18:25 -0400 Subject: Re: [PATCH v2 1/1] phy: tusb1210: use bitmasks to set VENDOR_SPECIFIC2 From: "Liam Beguin" To: "kernel test robot" , , Cc: , Message-Id: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed Jul 15, 2020 at 7:48 AM kernel test robot wrote: > Hi Liam, >=20 > Thank you for the patch! Yet something to improve: >=20 > [auto build test ERROR on 8f3d9f354286745c751374f5f1fcafee6b3f3136] >=20 > url: https://github.com/0day-ci/linux/commits/Liam-Beguin/phy-tusb1210= -use-bitmasks-to-set-VENDOR_SPECIFIC2/20200715-003517 > base: 8f3d9f354286745c751374f5f1fcafee6b3f3136 > config: parisc-allyesconfig (attached as .config) > compiler: hppa-linux-gcc (GCC) 9.3.0 > reproduce (this is a W=3D1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbi= n/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dgcc-9.3.0 make.cros= s ARCH=3Dparisc=20 >=20 > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot >=20 > All errors (new ones prefixed by >>): >=20 > hppa-linux-ld: drivers/phy/ti/phy-tusb1210.o: in function `tusb1210_pr= obe': > >> (.text+0x2f4): undefined reference to `__cmpxchg_called_with_bad_point= er' > >> hppa-linux-ld: (.text+0x324): undefined reference to `__cmpxchg_called= _with_bad_pointer' > hppa-linux-ld: (.text+0x354): undefined reference to `__cmpxchg_called= _with_bad_pointer' >=20 Hi, I sent another patch[1] to try to address this. The issue seems to come from the fact that the parisc architecture doesn't support cmpxchg on u8 pointers. cmpxchg is called by set_mask_bits. Thanks, Liam [1] https://lore.kernel.org/patchwork/patch/1272617/ > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org