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Peter Anvin" , Peter Zijlstra , Will Deacon , Boqun Feng , Gary Guo , Yury Norov , Rasmus Villemoes , Boris Ostrovsky , Alexander Usyskin , Tony Nguyen , Przemek Kitszel , x86@kernel.org, linux-kernel@vger.kernel.org, linux-um@lists.infradead.org Subject: Re: [PATCH 3/7] x86: make CX8 usage unconditional Message-ID: <202611060951.0UkJ1SVg-lkp@intel.com> References: <20261105163440.2381661-4-arnd@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261105163440.2381661-4-arnd@kernel.org> Hi Arnd, kernel test robot noticed the following build errors: [auto build test ERROR on tip/x86/core] [also build test ERROR on uml/next linus/master v7.4-rc1 next-20261105] [cannot apply to uml/fixes] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Arnd-Bergmann/x86-remove-AMD-lan-remnants/20261105-173432 base: tip/x86/core patch link: https://lore.kernel.org/r/20261105163440.2381661-4-arnd%40kernel.org patch subject: [PATCH 3/7] x86: make CX8 usage unconditional config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20261106/202611060951.0UkJ1SVg-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261106/202611060951.0UkJ1SVg-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/202611060951.0UkJ1SVg-lkp@intel.com/ All errors (new ones prefixed by >>): /usr/bin/ld: kernel/fork.o: in function `arch_atomic64_set': >> arch/x86/include/asm/atomic64_32.h:108:(.text+0x5fd): undefined reference to `atomic64_set_cx8' /usr/bin/ld: kernel/ksysfs.o: in function `arch_atomic64_read': >> arch/x86/include/asm/atomic64_32.h:117:(.text+0x58): undefined reference to `atomic64_read_cx8' /usr/bin/ld: kernel/sched/fair.o: in function `arch_atomic64_add': >> arch/x86/include/asm/atomic64_32.h:165:(.text+0x1c52): undefined reference to `atomic64_add_return_cx8' /usr/bin/ld: kernel/sched/build_policy.o: in function `arch_atomic64_add': arch/x86/include/asm/atomic64_32.h:165:(.text+0x2790): undefined reference to `atomic64_add_return_cx8' >> /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:165:(.text+0x5310): undefined reference to `atomic64_add_return_cx8' /usr/bin/ld: kernel/printk/printk.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0xf41): undefined reference to `atomic64_set_cx8' >> /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:108:(.text+0xf57): undefined reference to `atomic64_set_cx8' /usr/bin/ld: kernel/printk/printk.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x115f): undefined reference to `atomic64_read_cx8' >> /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x1188): undefined reference to `atomic64_read_cx8' /usr/bin/ld: kernel/printk/printk.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x1228): undefined reference to `atomic64_set_cx8' /usr/bin/ld: kernel/printk/printk.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x242a): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x248d): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x2501): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x2560): undefined reference to `atomic64_read_cx8' /usr/bin/ld: kernel/printk/printk.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x25c3): undefined reference to `atomic64_set_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:108:(.text+0x25e4): undefined reference to `atomic64_set_cx8' /usr/bin/ld: kernel/time/timekeeping.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x32d3): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x339e): undefined reference to `atomic64_read_cx8' /usr/bin/ld: kernel/futex/core.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0xbf9): undefined reference to `atomic64_read_cx8' /usr/bin/ld: kernel/futex/core.o: in function `arch_atomic64_inc_return': >> arch/x86/include/asm/atomic64_32.h:144:(.text+0xc13): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: fs/inode.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x4cd): undefined reference to `atomic64_set_cx8' /usr/bin/ld: fs/inode.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x1df4): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x1f3c): undefined reference to `atomic64_read_cx8' /usr/bin/ld: fs/ext4/mballoc.o: in function `arch_atomic64_add': arch/x86/include/asm/atomic64_32.h:165:(.text+0x253a): undefined reference to `atomic64_add_return_cx8' /usr/bin/ld: fs/ext4/mballoc.o: in function `arch_atomic64_inc': arch/x86/include/asm/atomic64_32.h:181:(.text+0x2ac8): undefined reference to `atomic64_inc_return_cx8' >> /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:181:(.text+0x4d1a): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:181:(.text+0x4ee5): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:181:(.text+0x4f7b): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:181:(.text+0x523a): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: fs/ext4/mballoc.o:arch/x86/include/asm/atomic64_32.h:181: more undefined references to `atomic64_inc_return_cx8' follow /usr/bin/ld: fs/ext4/mballoc.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x5454): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x546c): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x5499): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x54be): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x54d9): undefined reference to `atomic64_read_cx8' /usr/bin/ld: fs/ext4/mballoc.o:arch/x86/include/asm/atomic64_32.h:117: more undefined references to `atomic64_read_cx8' follow /usr/bin/ld: fs/ext4/mballoc.o: in function `arch_atomic64_sub': >> arch/x86/include/asm/atomic64_32.h:173:(.text+0x651f): undefined reference to `atomic64_sub_return_cx8' /usr/bin/ld: fs/ext4/mballoc.o: in function `arch_atomic64_add': arch/x86/include/asm/atomic64_32.h:165:(.text+0x6526): undefined reference to `atomic64_add_return_cx8' /usr/bin/ld: fs/ext4/super.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x850): undefined reference to `atomic64_set_cx8' /usr/bin/ld: fs/ext4/super.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x201a): undefined reference to `atomic64_read_cx8' /usr/bin/ld: fs/ext4/super.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x87f9): undefined reference to `atomic64_set_cx8' /usr/bin/ld: fs/ext4/super.o: in function `arch_atomic64_add': arch/x86/include/asm/atomic64_32.h:165:(.text+0x8a43): undefined reference to `atomic64_add_return_cx8' /usr/bin/ld: fs/ext4/sysfs.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x1fc): undefined reference to `atomic64_set_cx8' /usr/bin/ld: fs/ext4/sysfs.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x4f2): undefined reference to `atomic64_read_cx8' /usr/bin/ld: fs/ext4/fast_commit.o: in function `arch_atomic64_inc': arch/x86/include/asm/atomic64_32.h:181:(.text+0x3b0): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:181:(.text+0xefd): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:181:(.text+0xf18): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:181:(.text+0xf69): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:181:(.text+0xfa4): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: fs/ext4/fast_commit.o:arch/x86/include/asm/atomic64_32.h:181: more undefined references to `atomic64_inc_return_cx8' follow /usr/bin/ld: fs/ext4/fast_commit.o: in function `arch_atomic64_add': arch/x86/include/asm/atomic64_32.h:165:(.text+0x12dc): undefined reference to `atomic64_add_return_cx8' /usr/bin/ld: fs/ext4/fast_commit.o: in function `arch_atomic64_inc': arch/x86/include/asm/atomic64_32.h:181:(.text+0x133c): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:181:(.text+0x17f7): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:181:(.text+0x1830): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:181:(.text+0x18fe): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: fs/ext4/fast_commit.o: in function `arch_atomic64_add': arch/x86/include/asm/atomic64_32.h:165:(.text+0x19db): undefined reference to `atomic64_add_return_cx8' /usr/bin/ld: fs/ext4/fast_commit.o: in function `arch_atomic64_inc': arch/x86/include/asm/atomic64_32.h:181:(.text+0x19e9): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: fs/ext4/fast_commit.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x19fb): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x2bf4): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x2c06): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x2c17): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x2cd0): undefined reference to `atomic64_read_cx8' /usr/bin/ld: fs/ext4/fast_commit.o:arch/x86/include/asm/atomic64_32.h:117: more undefined references to `atomic64_read_cx8' follow /usr/bin/ld: block/genhd.o: in function `arch_atomic64_inc_return': arch/x86/include/asm/atomic64_32.h:144:(.text+0x17d5): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:144:(.text+0x18c5): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: net/core/sock_diag.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x4a5): undefined reference to `atomic64_read_cx8' /usr/bin/ld: net/core/sock_diag.o: in function `arch_atomic64_dec_return': >> arch/x86/include/asm/atomic64_32.h:155:(.text+0x4e7): undefined reference to `atomic64_dec_return_cx8' /usr/bin/ld: net/core/sock_diag.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x50d): undefined reference to `atomic64_read_cx8' /usr/bin/ld: lib/kobject_uevent.o: in function `arch_atomic64_inc_return': arch/x86/include/asm/atomic64_32.h:144:(.text+0x1d0): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:144:(.text+0x75e): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: fs/ext4/inline.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x1faf): undefined reference to `atomic64_read_cx8' /usr/bin/ld: io_uring/rsrc.o: in function `arch_atomic64_sub': arch/x86/include/asm/atomic64_32.h:173:(.text+0x480): undefined reference to `atomic64_sub_return_cx8' /usr/bin/ld: io_uring/rsrc.o: in function `arch_atomic64_add': arch/x86/include/asm/atomic64_32.h:165:(.text+0x5ac): undefined reference to `atomic64_add_return_cx8' /usr/bin/ld: kernel/nstree.o: in function `arch_atomic64_inc_return': arch/x86/include/asm/atomic64_32.h:144:(.text+0x962): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: kernel/time/posix-cpu-timers.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x129): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x137): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x145): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x1b7): undefined reference to `atomic64_read_cx8' /usr/bin/ld: kernel/bpf/core.o: in function `arch_atomic64_add': arch/x86/include/asm/atomic64_32.h:165:(.text+0x260b): undefined reference to `atomic64_add_return_cx8' /usr/bin/ld: kernel/bpf/core.o: in function `arch_atomic64_xchg': >> arch/x86/include/asm/atomic64_32.h:96:(.text+0x2ba8): undefined reference to `atomic64_xchg_cx8' /usr/bin/ld: kernel/bpf/core.o: in function `arch_atomic64_dec': arch/x86/include/asm/atomic64_32.h:190:(.text+0x46dd): undefined reference to `atomic64_dec_return_cx8' /usr/bin/ld: fs/libfs.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x275): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x293): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x303): undefined reference to `atomic64_read_cx8' /usr/bin/ld: fs/proc/task_mmu.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x272c): undefined reference to `atomic64_read_cx8' /usr/bin/ld: fs/ext4/balloc.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x95): undefined reference to `atomic64_read_cx8' /usr/bin/ld: fs/ext4/dir.o:arch/x86/include/asm/atomic64_32.h:117: more undefined references to `atomic64_read_cx8' follow /usr/bin/ld: fs/ext4/inode.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x5221): undefined reference to `atomic64_set_cx8' /usr/bin/ld: fs/ext4/ioctl.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x1746): undefined reference to `atomic64_set_cx8' /usr/bin/ld: fs/ext4/resize.o: in function `arch_atomic64_add': arch/x86/include/asm/atomic64_32.h:165:(.text+0x1adf): undefined reference to `atomic64_add_return_cx8' /usr/bin/ld: fs/ext4/xattr.o: in function `arch_atomic64_read': >> arch/x86/include/asm/atomic64_32.h:117:(.text+0x58): undefined reference to `atomic64_read_cx8' /usr/bin/ld: fs/ext4/xattr.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x9eb): undefined reference to `atomic64_set_cx8' /usr/bin/ld: block/blk-cgroup.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x1f9): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x254): undefined reference to `atomic64_read_cx8' /usr/bin/ld: block/blk-cgroup.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x2d2): undefined reference to `atomic64_set_cx8' /usr/bin/ld: block/blk-cgroup.o: in function `arch_atomic64_sub': arch/x86/include/asm/atomic64_32.h:173:(.text+0x2e6): undefined reference to `atomic64_sub_return_cx8' /usr/bin/ld: block/blk-cgroup.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x10dc): undefined reference to `atomic64_read_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:117:(.text+0x1a77): undefined reference to `atomic64_read_cx8' /usr/bin/ld: block/blk-cgroup.o: in function `arch_atomic64_add': arch/x86/include/asm/atomic64_32.h:165:(.text+0x1f64): undefined reference to `atomic64_add_return_cx8' /usr/bin/ld: block/blk-cgroup-rwstat.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x22): undefined reference to `atomic64_set_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:108:(.text+0x2a): undefined reference to `atomic64_set_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:108:(.text+0x32): undefined reference to `atomic64_set_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:108:(.text+0x3a): undefined reference to `atomic64_set_cx8' /usr/bin/ld: arch/x86/include/asm/atomic64_32.h:108:(.text+0x42): undefined reference to `atomic64_set_cx8' /usr/bin/ld: block/blk-cgroup-rwstat.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x1b7): undefined reference to `atomic64_read_cx8' /usr/bin/ld: net/ipv4/inet_timewait_sock.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x254): undefined reference to `atomic64_read_cx8' /usr/bin/ld: net/ipv4/inet_timewait_sock.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x265): undefined reference to `atomic64_set_cx8' /usr/bin/ld: net/ipv4/inet_connection_sock.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x112b): undefined reference to `atomic64_set_cx8' /usr/bin/ld: net/ipv4/inet_connection_sock.o: in function `arch_atomic64_read': arch/x86/include/asm/atomic64_32.h:117:(.text+0x17e9): undefined reference to `atomic64_read_cx8' /usr/bin/ld: net/ipv4/inet_connection_sock.o: in function `arch_atomic64_set': arch/x86/include/asm/atomic64_32.h:108:(.text+0x17fa): undefined reference to `atomic64_set_cx8' /usr/bin/ld: .vmlinux.export.o: in function `__ksymtab_atomic64_read_cx8': >> .vmlinux.export.c:(___ksymtab+atomic64_read_cx8+0x0): undefined reference to `atomic64_read_cx8' /usr/bin/ld: .vmlinux.export.o: in function `__ksymtab_atomic64_set_cx8': >> .vmlinux.export.c:(___ksymtab+atomic64_set_cx8+0x0): undefined reference to `atomic64_set_cx8' /usr/bin/ld: .vmlinux.export.o: in function `__ksymtab_atomic64_xchg_cx8': >> .vmlinux.export.c:(___ksymtab+atomic64_xchg_cx8+0x0): undefined reference to `atomic64_xchg_cx8' /usr/bin/ld: .vmlinux.export.o: in function `__ksymtab_atomic64_add_return_cx8': >> .vmlinux.export.c:(___ksymtab+atomic64_add_return_cx8+0x0): undefined reference to `atomic64_add_return_cx8' /usr/bin/ld: .vmlinux.export.o: in function `__ksymtab_atomic64_sub_return_cx8': >> .vmlinux.export.c:(___ksymtab+atomic64_sub_return_cx8+0x0): undefined reference to `atomic64_sub_return_cx8' /usr/bin/ld: .vmlinux.export.o: in function `__ksymtab_atomic64_inc_return_cx8': >> .vmlinux.export.c:(___ksymtab+atomic64_inc_return_cx8+0x0): undefined reference to `atomic64_inc_return_cx8' /usr/bin/ld: .vmlinux.export.o: in function `__ksymtab_atomic64_dec_return_cx8': >> .vmlinux.export.c:(___ksymtab+atomic64_dec_return_cx8+0x0): undefined reference to `atomic64_dec_return_cx8' /usr/bin/ld: .vmlinux.export.o: in function `__ksymtab_atomic64_dec_if_positive_cx8': >> .vmlinux.export.c:(___ksymtab+atomic64_dec_if_positive_cx8+0x0): undefined reference to `atomic64_dec_if_positive_cx8' /usr/bin/ld: .vmlinux.export.o: in function `__ksymtab_atomic64_inc_not_zero_cx8': .vmlinux.export.c:(___ksymtab+atomic64_inc_not_zero_cx8+0x0): undefined reference to `atomic64_inc_not_zero_cx8' /usr/bin/ld: .vmlinux.export.o: in function `__ksymtab_atomic64_add_unless_cx8': .vmlinux.export.c:(___ksymtab+atomic64_add_unless_cx8+0x0): undefined reference to `atomic64_add_unless_cx8' collect2: error: ld returned 1 exit status vim +108 arch/x86/include/asm/atomic64_32.h 276b893049e4cd Uros Bizjak 2024-04-10 90 7aab7aa4b4bed2 Peter Zijlstra 2023-01-26 91 static __always_inline s64 arch_atomic64_xchg(atomic64_t *v, s64 n) a7e926abc3adfb Luca Barbieri 2010-02-24 92 { 79c53a83d7a31a Mark Rutland 2019-05-22 93 s64 o; a7e926abc3adfb Luca Barbieri 2010-02-24 94 unsigned high = (unsigned)(n >> 32); a7e926abc3adfb Luca Barbieri 2010-02-24 95 unsigned low = (unsigned)n; 224788b63a2e42 Josh Poimboeuf 2025-03-02 @96 alternative_atomic64(xchg, 224788b63a2e42 Josh Poimboeuf 2025-03-02 97 "=&A" (o), 224788b63a2e42 Josh Poimboeuf 2025-03-02 98 ASM_INPUT("S" (v), "b" (low), "c" (high)), 224788b63a2e42 Josh Poimboeuf 2025-03-02 99 "memory"); a7e926abc3adfb Luca Barbieri 2010-02-24 100 return o; a7e926abc3adfb Luca Barbieri 2010-02-24 101 } 37f8173dd84936 Peter Zijlstra 2020-01-24 102 #define arch_atomic64_xchg arch_atomic64_xchg 1a3b1d89eded68 Brian Gerst 2010-01-07 103 7aab7aa4b4bed2 Peter Zijlstra 2023-01-26 104 static __always_inline void arch_atomic64_set(atomic64_t *v, s64 i) a7e926abc3adfb Luca Barbieri 2010-02-24 105 { a7e926abc3adfb Luca Barbieri 2010-02-24 106 unsigned high = (unsigned)(i >> 32); a7e926abc3adfb Luca Barbieri 2010-02-24 107 unsigned low = (unsigned)i; 224788b63a2e42 Josh Poimboeuf 2025-03-02 @108 alternative_atomic64(set, 224788b63a2e42 Josh Poimboeuf 2025-03-02 109 /* no output */, 224788b63a2e42 Josh Poimboeuf 2025-03-02 110 ASM_INPUT("S" (v), "b" (low), "c" (high)), 224788b63a2e42 Josh Poimboeuf 2025-03-02 111 "eax", "edx", "memory"); a7e926abc3adfb Luca Barbieri 2010-02-24 112 } 1a3b1d89eded68 Brian Gerst 2010-01-07 113 7aab7aa4b4bed2 Peter Zijlstra 2023-01-26 114 static __always_inline s64 arch_atomic64_read(const atomic64_t *v) 1a3b1d89eded68 Brian Gerst 2010-01-07 115 { 79c53a83d7a31a Mark Rutland 2019-05-22 116 s64 r; 224788b63a2e42 Josh Poimboeuf 2025-03-02 @117 alternative_atomic64(read, "=&A" (r), "c" (v), "memory"); a7e926abc3adfb Luca Barbieri 2010-02-24 118 return r; 1a3b1d89eded68 Brian Gerst 2010-01-07 119 } 1a3b1d89eded68 Brian Gerst 2010-01-07 120 7aab7aa4b4bed2 Peter Zijlstra 2023-01-26 121 static __always_inline s64 arch_atomic64_add_return(s64 i, atomic64_t *v) a7e926abc3adfb Luca Barbieri 2010-02-24 122 { 819165fb34b977 Jan Beulich 2012-01-20 123 alternative_atomic64(add_return, 224788b63a2e42 Josh Poimboeuf 2025-03-02 124 ASM_OUTPUT("+A" (i), "+c" (v)), 224788b63a2e42 Josh Poimboeuf 2025-03-02 125 /* no input */, 224788b63a2e42 Josh Poimboeuf 2025-03-02 126 "memory"); a7e926abc3adfb Luca Barbieri 2010-02-24 127 return i; a7e926abc3adfb Luca Barbieri 2010-02-24 128 } 37f8173dd84936 Peter Zijlstra 2020-01-24 129 #define arch_atomic64_add_return arch_atomic64_add_return 1a3b1d89eded68 Brian Gerst 2010-01-07 130 7aab7aa4b4bed2 Peter Zijlstra 2023-01-26 131 static __always_inline s64 arch_atomic64_sub_return(s64 i, atomic64_t *v) a7e926abc3adfb Luca Barbieri 2010-02-24 132 { 819165fb34b977 Jan Beulich 2012-01-20 133 alternative_atomic64(sub_return, 224788b63a2e42 Josh Poimboeuf 2025-03-02 134 ASM_OUTPUT("+A" (i), "+c" (v)), 224788b63a2e42 Josh Poimboeuf 2025-03-02 135 /* no input */, 224788b63a2e42 Josh Poimboeuf 2025-03-02 136 "memory"); a7e926abc3adfb Luca Barbieri 2010-02-24 137 return i; a7e926abc3adfb Luca Barbieri 2010-02-24 138 } 37f8173dd84936 Peter Zijlstra 2020-01-24 139 #define arch_atomic64_sub_return arch_atomic64_sub_return a7e926abc3adfb Luca Barbieri 2010-02-24 140 7aab7aa4b4bed2 Peter Zijlstra 2023-01-26 141 static __always_inline s64 arch_atomic64_inc_return(atomic64_t *v) a7e926abc3adfb Luca Barbieri 2010-02-24 142 { 79c53a83d7a31a Mark Rutland 2019-05-22 143 s64 a; 224788b63a2e42 Josh Poimboeuf 2025-03-02 @144 alternative_atomic64(inc_return, 224788b63a2e42 Josh Poimboeuf 2025-03-02 145 "=&A" (a), 224788b63a2e42 Josh Poimboeuf 2025-03-02 146 "S" (v), 224788b63a2e42 Josh Poimboeuf 2025-03-02 147 "memory", "ecx"); a7e926abc3adfb Luca Barbieri 2010-02-24 148 return a; a7e926abc3adfb Luca Barbieri 2010-02-24 149 } 9837559d8eb01c Mark Rutland 2018-06-21 150 #define arch_atomic64_inc_return arch_atomic64_inc_return a7e926abc3adfb Luca Barbieri 2010-02-24 151 7aab7aa4b4bed2 Peter Zijlstra 2023-01-26 152 static __always_inline s64 arch_atomic64_dec_return(atomic64_t *v) a7e926abc3adfb Luca Barbieri 2010-02-24 153 { 79c53a83d7a31a Mark Rutland 2019-05-22 154 s64 a; 224788b63a2e42 Josh Poimboeuf 2025-03-02 @155 alternative_atomic64(dec_return, 224788b63a2e42 Josh Poimboeuf 2025-03-02 156 "=&A" (a), 224788b63a2e42 Josh Poimboeuf 2025-03-02 157 "S" (v), 224788b63a2e42 Josh Poimboeuf 2025-03-02 158 "memory", "ecx"); a7e926abc3adfb Luca Barbieri 2010-02-24 159 return a; a7e926abc3adfb Luca Barbieri 2010-02-24 160 } 9837559d8eb01c Mark Rutland 2018-06-21 161 #define arch_atomic64_dec_return arch_atomic64_dec_return 1a3b1d89eded68 Brian Gerst 2010-01-07 162 dce2a224763ce9 Uros Bizjak 2024-06-05 163 static __always_inline void arch_atomic64_add(s64 i, atomic64_t *v) a7e926abc3adfb Luca Barbieri 2010-02-24 164 { 819165fb34b977 Jan Beulich 2012-01-20 @165 __alternative_atomic64(add, add_return, 224788b63a2e42 Josh Poimboeuf 2025-03-02 166 ASM_OUTPUT("+A" (i), "+c" (v)), 224788b63a2e42 Josh Poimboeuf 2025-03-02 167 /* no input */, 224788b63a2e42 Josh Poimboeuf 2025-03-02 168 "memory"); a7e926abc3adfb Luca Barbieri 2010-02-24 169 } 1a3b1d89eded68 Brian Gerst 2010-01-07 170 dce2a224763ce9 Uros Bizjak 2024-06-05 171 static __always_inline void arch_atomic64_sub(s64 i, atomic64_t *v) a7e926abc3adfb Luca Barbieri 2010-02-24 172 { 819165fb34b977 Jan Beulich 2012-01-20 @173 __alternative_atomic64(sub, sub_return, 224788b63a2e42 Josh Poimboeuf 2025-03-02 174 ASM_OUTPUT("+A" (i), "+c" (v)), 224788b63a2e42 Josh Poimboeuf 2025-03-02 175 /* no input */, 224788b63a2e42 Josh Poimboeuf 2025-03-02 176 "memory"); a7e926abc3adfb Luca Barbieri 2010-02-24 177 } 1a3b1d89eded68 Brian Gerst 2010-01-07 178 7aab7aa4b4bed2 Peter Zijlstra 2023-01-26 179 static __always_inline void arch_atomic64_inc(atomic64_t *v) a7e926abc3adfb Luca Barbieri 2010-02-24 180 { 224788b63a2e42 Josh Poimboeuf 2025-03-02 @181 __alternative_atomic64(inc, inc_return, 224788b63a2e42 Josh Poimboeuf 2025-03-02 182 /* no output */, 224788b63a2e42 Josh Poimboeuf 2025-03-02 183 "S" (v), 224788b63a2e42 Josh Poimboeuf 2025-03-02 184 "memory", "eax", "ecx", "edx"); a7e926abc3adfb Luca Barbieri 2010-02-24 185 } 4331f4d5ada568 Randy Dunlap 2018-09-02 186 #define arch_atomic64_inc arch_atomic64_inc 1a3b1d89eded68 Brian Gerst 2010-01-07 187 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki