Hi Christophe, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on powerpc/next] [also build test WARNING on v4.20-rc4] [cannot apply to next-20181129] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Christophe-Leroy/powerpc-book3s32-Remove-CONFIG_BOOKE-dependent-code/20181129-210058 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-allmodconfig (attached as .config) compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=powerpc All warnings (new ones prefixed by >>): In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:24:0, from arch/powerpc/include/asm/book3s/64/mmu.h:39, from arch/powerpc/include/asm/mmu.h:328, from arch/powerpc/include/asm/lppaca.h:36, from arch/powerpc/include/asm/paca.h:21, from arch/powerpc/include/asm/hw_irq.h:64, from arch/powerpc/include/asm/irqflags.h:12, from include/linux/irqflags.h:16, from include/linux/spinlock.h:54, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/slab.h:15, from drivers/usb/gadget/function/f_acm.c:14: >> arch/powerpc/include/asm/book3s/64/pgtable.h:219:21: warning: >> "__pte_frag_nr" is not defined, evaluates to 0 [-Wundef] #define PTE_FRAG_NR __pte_frag_nr ^ >> arch/powerpc/include/asm/pgtable.h:123:5: note: in expansion of macro >> 'PTE_FRAG_NR' #if PTE_FRAG_NR != 1 ^~~~~~~~~~~ -- In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:24:0, from arch/powerpc/include/asm/book3s/64/mmu.h:39, from arch/powerpc/include/asm/mmu.h:328, from arch/powerpc/include/asm/lppaca.h:36, from arch/powerpc/include/asm/paca.h:21, from arch/powerpc/include/asm/current.h:16, from include/linux/sched.h:12, from drivers/usb/gadget/function/u_serial.c:18: >> arch/powerpc/include/asm/book3s/64/pgtable.h:219:21: warning: >> "__pte_frag_nr" is not defined, evaluates to 0 [-Wundef] #define PTE_FRAG_NR __pte_frag_nr ^ >> arch/powerpc/include/asm/pgtable.h:123:5: note: in expansion of macro >> 'PTE_FRAG_NR' #if PTE_FRAG_NR != 1 ^~~~~~~~~~~ In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:24:0, from arch/powerpc/include/asm/book3s/64/mmu.h:39, from arch/powerpc/include/asm/mmu.h:328, from arch/powerpc/include/asm/lppaca.h:36, from arch/powerpc/include/asm/paca.h:21, from arch/powerpc/include/asm/current.h:16, from include/linux/sched.h:12, from drivers/usb/gadget/function/u_serial.c:18: >> arch/powerpc/include/asm/book3s/64/pgtable.h:219:21: warning: >> "__pte_frag_nr" is not defined, evaluates to 0 [-Wundef] #define PTE_FRAG_NR __pte_frag_nr ^ >> arch/powerpc/include/asm/pgtable.h:123:5: note: in expansion of macro >> 'PTE_FRAG_NR' #if PTE_FRAG_NR != 1 ^~~~~~~~~~~ -- In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:24:0, from arch/powerpc/include/asm/book3s/64/mmu.h:39, from arch/powerpc/include/asm/mmu.h:328, from arch/powerpc/include/asm/lppaca.h:36, from arch/powerpc/include/asm/paca.h:21, from arch/powerpc/include/asm/current.h:16, from include/linux/sched.h:12, from drivers/staging/rtlwifi/rtl8822be/../wifi.h:20, from drivers/staging/rtlwifi/rtl8822be/trx.c:15: >> arch/powerpc/include/asm/book3s/64/pgtable.h:219:21: warning: >> "__pte_frag_nr" is not defined, evaluates to 0 [-Wundef] #define PTE_FRAG_NR __pte_frag_nr ^ >> arch/powerpc/include/asm/pgtable.h:123:5: note: in expansion of macro >> 'PTE_FRAG_NR' #if PTE_FRAG_NR != 1 ^~~~~~~~~~~ In file included from drivers/staging/rtlwifi/rtl8822be/trx.c:26:0: include/linux/vermagic.h:29:10: fatal error: generated/randomize_layout_hash.h: No such file or directory #include <generated/randomize_layout_hash.h> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. -- In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:24:0, from arch/powerpc/include/asm/book3s/64/mmu.h:39, from arch/powerpc/include/asm/mmu.h:328, from arch/powerpc/include/asm/lppaca.h:36, from arch/powerpc/include/asm/paca.h:21, from arch/powerpc/include/asm/smp.h:28, from include/linux/smp.h:68, from include/linux/percpu.h:7, from arch/powerpc/include/asm/time.h:18, from arch/powerpc/include/asm/delay.h:6, from include/linux/delay.h:26, from sound/aoa/codecs/onyx.c:34: >> arch/powerpc/include/asm/book3s/64/pgtable.h:219:21: warning: >> "__pte_frag_nr" is not defined, evaluates to 0 [-Wundef] #define PTE_FRAG_NR __pte_frag_nr ^ >> arch/powerpc/include/asm/pgtable.h:123:5: note: in expansion of macro >> 'PTE_FRAG_NR' #if PTE_FRAG_NR != 1 ^~~~~~~~~~~ sound/aoa/codecs/onyx.c: In function 'onyx_snd_single_bit_get': sound/aoa/codecs/onyx.c:380:37: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized] ucontrol->value.integer.value[0] = !!(c & mask) ^ polarity; ^~~~~~~~~~~~ -- In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:24:0, from arch/powerpc/include/asm/book3s/64/mmu.h:39, from arch/powerpc/include/asm/mmu.h:328, from arch/powerpc/include/asm/lppaca.h:36, from arch/powerpc/include/asm/paca.h:21, from arch/powerpc/include/asm/smp.h:28, from include/linux/smp.h:68, from include/linux/percpu.h:7, from arch/powerpc/include/asm/time.h:18, from arch/powerpc/include/asm/delay.h:6, from include/linux/delay.h:26, from drivers/scsi/esas2r/esas2r.h:45, from drivers/scsi/esas2r/esas2r_ioctl.c:44: >> arch/powerpc/include/asm/book3s/64/pgtable.h:219:21: warning: >> "__pte_frag_nr" is not defined, evaluates to 0 [-Wundef] #define PTE_FRAG_NR __pte_frag_nr ^ >> arch/powerpc/include/asm/pgtable.h:123:5: note: in expansion of macro >> 'PTE_FRAG_NR' #if PTE_FRAG_NR != 1 ^~~~~~~~~~~ drivers/scsi/esas2r/esas2r_ioctl.c: In function 'esas2r_write_vda': drivers/scsi/esas2r/esas2r_ioctl.c:1910:19: warning: 'dma_addr' may be used uninitialized in this function [-Wmaybe-uninitialized] a->ppvda_buffer = dma_addr; ~~~~~~~~~~~~~~~~^~~~~~~~~~ vim +/__pte_frag_nr +219 arch/powerpc/include/asm/book3s/64/pgtable.h 5ed7ecd0 Aneesh Kumar K.V 2016-04-29 217 5ed7ecd0 Aneesh Kumar K.V 2016-04-29 218 extern unsigned long __pte_frag_nr; 5ed7ecd0 Aneesh Kumar K.V 2016-04-29 @219 #define PTE_FRAG_NR __pte_frag_nr 5ed7ecd0 Aneesh Kumar K.V 2016-04-29 220 extern unsigned long __pte_frag_size_shift; 5ed7ecd0 Aneesh Kumar K.V 2016-04-29 221 #define PTE_FRAG_SIZE_SHIFT __pte_frag_size_shift 5ed7ecd0 Aneesh Kumar K.V 2016-04-29 222 #define PTE_FRAG_SIZE (1UL << PTE_FRAG_SIZE_SHIFT) dd1842a2 Aneesh Kumar K.V 2016-04-29 223 :::::: The code at line 219 was first introduced by commit :::::: 5ed7ecd08a0807d6d616c3d958402f9c723bb048 powerpc/mm: pte_frag abstraction :::::: TO: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> :::::: CC: Michael Ellerman <m...@ellerman.id.au> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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