tree: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git wip/2508-david-aspm-api head: a373462082599403e030c605ff260fd45429fe66 commit: 5ea26ba40d978b9f34faec2ca92c60e6d9db11c5 [1/2] PCI/ASPM: Add pci_host_set_default_pcie_link_state() config: arm64-randconfig-003-20250827 (https://download.01.org/0day-ci/archive/20250827/202508271142.h1iibk0C-lkp@xxxxxxxxx/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project d26ea02060b1c9db751d188b2edb0059a9eb273d) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250827/202508271142.h1iibk0C-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202508271142.h1iibk0C-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/linux/ftrace.h:23: In file included from arch/arm64/include/asm/ftrace.h:41: include/linux/compat.h:454:10: warning: array index 7 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds] 454 | case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3]; | ^ ~ include/linux/compat.h:130:2: note: array 'sig' declared here 130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS]; | ^ include/linux/compat.h:454:42: warning: array index 6 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds] 454 | case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3]; | ^ ~ include/linux/compat.h:130:2: note: array 'sig' declared here 130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS]; | ^ include/linux/compat.h:454:53: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds] 454 | case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3]; | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here 62 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from drivers/firewire/ohci.c:51: In file included from include/trace/events/firewire_ohci.h:101: In file included from include/trace/define_trace.h:132: In file included from include/trace/trace_events.h:21: In file included from include/linux/trace_events.h:10: In file included from include/linux/perf_event.h:43: In file included from include/linux/ftrace.h:23: In file included from arch/arm64/include/asm/ftrace.h:41: include/linux/compat.h:456:22: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds] 456 | case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2]; | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here 62 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from drivers/firewire/ohci.c:51: In file included from include/trace/events/firewire_ohci.h:101: In file included from include/trace/define_trace.h:132: In file included from include/trace/trace_events.h:21: In file included from include/linux/trace_events.h:10: In file included from include/linux/perf_event.h:43: In file included from include/linux/ftrace.h:23: In file included from arch/arm64/include/asm/ftrace.h:41: include/linux/compat.h:456:10: warning: array index 5 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds] 456 | case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2]; | ^ ~ include/linux/compat.h:130:2: note: array 'sig' declared here 130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS]; | ^ include/linux/compat.h:456:42: warning: array index 4 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds] 456 | case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2]; | ^ ~ include/linux/compat.h:130:2: note: array 'sig' declared here 130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS]; | ^ include/linux/compat.h:456:53: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds] 456 | case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2]; | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here 62 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from drivers/firewire/ohci.c:51: In file included from include/trace/events/firewire_ohci.h:101: In file included from include/trace/define_trace.h:132: In file included from include/trace/trace_events.h:21: In file included from include/linux/trace_events.h:10: In file included from include/linux/perf_event.h:43: In file included from include/linux/ftrace.h:23: In file included from arch/arm64/include/asm/ftrace.h:41: include/linux/compat.h:458:22: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds] 458 | case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1]; | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here 62 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from drivers/firewire/ohci.c:51: In file included from include/trace/events/firewire_ohci.h:101: In file included from include/trace/define_trace.h:132: In file included from include/trace/trace_events.h:21: In file included from include/linux/trace_events.h:10: In file included from include/linux/perf_event.h:43: In file included from include/linux/ftrace.h:23: In file included from arch/arm64/include/asm/ftrace.h:41: include/linux/compat.h:458:10: warning: array index 3 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds] 458 | case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1]; | ^ ~ include/linux/compat.h:130:2: note: array 'sig' declared here 130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS]; | ^ include/linux/compat.h:458:42: warning: array index 2 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds] 458 | case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1]; | ^ ~ include/linux/compat.h:130:2: note: array 'sig' declared here 130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS]; | ^ include/linux/compat.h:458:53: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds] 458 | case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1]; | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here 62 | unsigned long sig[_NSIG_WORDS]; | ^ >> drivers/firewire/ohci.c:745:36: warning: implicit conversion from 'unsigned long' to '__u16' (aka 'unsigned short') changes value from 65536 to 0 [-Wconstant-conversion] 745 | d->res_count = cpu_to_le16(PAGE_SIZE); | ~~~~~~~~~~~~^~~~~~~~~~ include/vdso/page.h:15:30: note: expanded from macro 'PAGE_SIZE' 15 | #define PAGE_SIZE (_AC(1,UL) << CONFIG_PAGE_SHIFT) | ^ include/uapi/linux/byteorder/big_endian.h:36:53: note: expanded from macro '__cpu_to_le16' 36 | #define __cpu_to_le16(x) ((__force __le16)__swab16((x))) | ~~~~~~~~~~^~~ include/uapi/linux/swab.h:107:12: note: expanded from macro '__swab16' 107 | __fswab16(x)) | ~~~~~~~~~ ^ drivers/firewire/ohci.c:821:37: warning: implicit conversion from 'unsigned long' to '__u16' (aka 'unsigned short') changes value from 65536 to 0 [-Wconstant-conversion] 821 | if (next_res_count == cpu_to_le16(PAGE_SIZE)) { | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ include/vdso/page.h:15:30: note: expanded from macro 'PAGE_SIZE' 15 | #define PAGE_SIZE (_AC(1,UL) << CONFIG_PAGE_SHIFT) | ^ include/uapi/linux/byteorder/big_endian.h:36:53: note: expanded from macro '__cpu_to_le16' 36 | #define __cpu_to_le16(x) ((__force __le16)__swab16((x))) | ~~~~~~~~~~^~~ include/uapi/linux/swab.h:107:12: note: expanded from macro '__swab16' 107 | __fswab16(x)) | ~~~~~~~~~ ^ include/linux/compiler.h:55:47: note: expanded from macro 'if' 55 | #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) | ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:57:86: note: expanded from macro '__trace_if_var' 57 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ~~~~~~~~~~~~~~~~~^~~~~ include/linux/compiler.h:68:3: note: expanded from macro '__trace_if_value' 68 | (cond) ? \ | ^~~~ drivers/firewire/ohci.c:821:37: warning: implicit conversion from 'unsigned long' to '__u16' (aka 'unsigned short') changes value from 65536 to 0 [-Wconstant-conversion] 821 | if (next_res_count == cpu_to_le16(PAGE_SIZE)) { | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ include/vdso/page.h:15:30: note: expanded from macro 'PAGE_SIZE' 15 | #define PAGE_SIZE (_AC(1,UL) << CONFIG_PAGE_SHIFT) | ^ include/uapi/linux/byteorder/big_endian.h:36:53: note: expanded from macro '__cpu_to_le16' 36 | #define __cpu_to_le16(x) ((__force __le16)__swab16((x))) | ~~~~~~~~~~^~~ include/uapi/linux/swab.h:107:12: note: expanded from macro '__swab16' 107 | __fswab16(x)) | ~~~~~~~~~ ^ include/linux/compiler.h:55:47: note: expanded from macro 'if' 55 | #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) | ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:57:52: note: expanded from macro '__trace_if_var' 57 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ drivers/firewire/ohci.c:821:37: warning: implicit conversion from 'unsigned long' to '__u16' (aka 'unsigned short') changes value from 65536 to 0 [-Wconstant-conversion] 821 | if (next_res_count == cpu_to_le16(PAGE_SIZE)) { | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ include/vdso/page.h:15:30: note: expanded from macro 'PAGE_SIZE' 15 | #define PAGE_SIZE (_AC(1,UL) << CONFIG_PAGE_SHIFT) | ^ include/uapi/linux/byteorder/big_endian.h:36:53: note: expanded from macro '__cpu_to_le16' 36 | #define __cpu_to_le16(x) ((__force __le16)__swab16((x))) | ~~~~~~~~~~^~~ include/uapi/linux/swab.h:107:12: note: expanded from macro '__swab16' 107 | __fswab16(x)) | ~~~~~~~~~ ^ include/linux/compiler.h:55:47: note: expanded from macro 'if' 55 | #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) | ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:57:61: note: expanded from macro '__trace_if_var' 57 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ drivers/firewire/ohci.c:833:39: warning: implicit conversion from 'unsigned long' to '__u16' (aka 'unsigned short') changes value from 65536 to 0 [-Wconstant-conversion] 833 | if (next_res_count != cpu_to_le16(PAGE_SIZE)) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ include/vdso/page.h:15:30: note: expanded from macro 'PAGE_SIZE' 15 | #define PAGE_SIZE (_AC(1,UL) << CONFIG_PAGE_SHIFT) | ^ include/uapi/linux/byteorder/big_endian.h:36:53: note: expanded from macro '__cpu_to_le16' 36 | #define __cpu_to_le16(x) ((__force __le16)__swab16((x))) | ~~~~~~~~~~^~~ include/uapi/linux/swab.h:107:12: note: expanded from macro '__swab16' 107 | __fswab16(x)) | ~~~~~~~~~ ^ include/linux/compiler.h:55:47: note: expanded from macro 'if' 55 | #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) | ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:57:86: note: expanded from macro '__trace_if_var' 57 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ~~~~~~~~~~~~~~~~~^~~~~ include/linux/compiler.h:68:3: note: expanded from macro '__trace_if_value' 68 | (cond) ? \ | ^~~~ drivers/firewire/ohci.c:833:39: warning: implicit conversion from 'unsigned long' to '__u16' (aka 'unsigned short') changes value from 65536 to 0 [-Wconstant-conversion] 833 | if (next_res_count != cpu_to_le16(PAGE_SIZE)) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ include/vdso/page.h:15:30: note: expanded from macro 'PAGE_SIZE' 15 | #define PAGE_SIZE (_AC(1,UL) << CONFIG_PAGE_SHIFT) | ^ include/uapi/linux/byteorder/big_endian.h:36:53: note: expanded from macro '__cpu_to_le16' 36 | #define __cpu_to_le16(x) ((__force __le16)__swab16((x))) | ~~~~~~~~~~^~~ include/uapi/linux/swab.h:107:12: note: expanded from macro '__swab16' 107 | __fswab16(x)) vim +745 drivers/firewire/ohci.c 32b46093a07698 drivers/firewire/fw-ohci.c Kristian Høgsberg 2007-02-06 738 7a39d8b8216546 drivers/firewire/ohci.c Clemens Ladisch 2010-11-26 739 static void ar_context_link_page(struct ar_context *ctx, unsigned int index) 7a39d8b8216546 drivers/firewire/ohci.c Clemens Ladisch 2010-11-26 740 { 7a39d8b8216546 drivers/firewire/ohci.c Clemens Ladisch 2010-11-26 741 struct descriptor *d; 7a39d8b8216546 drivers/firewire/ohci.c Clemens Ladisch 2010-11-26 742 7a39d8b8216546 drivers/firewire/ohci.c Clemens Ladisch 2010-11-26 743 d = &ctx->descriptors[index]; 7a39d8b8216546 drivers/firewire/ohci.c Clemens Ladisch 2010-11-26 744 d->branch_address &= cpu_to_le32(~0xf); 7a39d8b8216546 drivers/firewire/ohci.c Clemens Ladisch 2010-11-26 @745 d->res_count = cpu_to_le16(PAGE_SIZE); 7a39d8b8216546 drivers/firewire/ohci.c Clemens Ladisch 2010-11-26 746 d->transfer_status = 0; 32b46093a07698 drivers/firewire/fw-ohci.c Kristian Høgsberg 2007-02-06 747 071595ebdc66d7 drivers/firewire/ohci.c Stefan Richter 2010-07-27 748 wmb(); /* finish init of new descriptors before branch_address update */ 7a39d8b8216546 drivers/firewire/ohci.c Clemens Ladisch 2010-11-26 749 d = &ctx->descriptors[ctx->last_buffer_index]; 7a39d8b8216546 drivers/firewire/ohci.c Clemens Ladisch 2010-11-26 750 d->branch_address |= cpu_to_le32(1); 7a39d8b8216546 drivers/firewire/ohci.c Clemens Ladisch 2010-11-26 751 7a39d8b8216546 drivers/firewire/ohci.c Clemens Ladisch 2010-11-26 752 ctx->last_buffer_index = index; 32b46093a07698 drivers/firewire/fw-ohci.c Kristian Høgsberg 2007-02-06 753 a77754a75d58d5 drivers/firewire/fw-ohci.c Kristian Høgsberg 2007-05-07 754 reg_write(ctx->ohci, CONTROL_SET(ctx->regs), CONTEXT_WAKE); 837596a61ba8f9 drivers/firewire/ohci.c Clemens Ladisch 2010-10-25 755 } 837596a61ba8f9 drivers/firewire/ohci.c Clemens Ladisch 2010-10-25 756 :::::: The code at line 745 was first introduced by commit :::::: 7a39d8b82165462729d09066bddb395a19025acd firewire: ohci: Asynchronous Reception rewrite :::::: TO: Clemens Ladisch <clemens@xxxxxxxxxx> :::::: CC: Stefan Richter <stefanr@xxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
