== Series Details == Series: Introduce __xchg, non-atomic xchg (rev3) URL : https://patchwork.freedesktop.org/series/112169/ State : warning
== Summary == Error: dim checkpatch failed 81cf90111073 arch/alpha: rename internal name __xchg to __arch_xchg cc5f60d730c4 arch: rename all internal names __xchg to __arch_xchg -:55: WARNING:VOLATILE: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst #55: FILE: arch/arm/include/asm/cmpxchg.h:28: +static inline unsigned long __arch_xchg(unsigned long x, volatile void *ptr, int size) -:108: WARNING:VOLATILE: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst #108: FILE: arch/hexagon/include/asm/cmpxchg.h:22: +static inline unsigned long __arch_xchg(unsigned long x, volatile void *ptr, -:109: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis #109: FILE: arch/hexagon/include/asm/cmpxchg.h:23: +static inline unsigned long __arch_xchg(unsigned long x, volatile void *ptr, int size) -:117: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'ptr' - possible side-effects? #117: FILE: arch/hexagon/include/asm/cmpxchg.h:45: +#define arch_xchg(ptr, v) ((__typeof__(*(ptr)))__arch_xchg((unsigned long)(v), (ptr), \ sizeof(*(ptr)))) -:130: CHECK:SPACING: No space is necessary after a cast #130: FILE: arch/ia64/include/asm/cmpxchg.h:8: +({(__typeof__(*(ptr))) __arch_xchg((unsigned long) (x), (ptr), sizeof(*(ptr)));}) -:130: ERROR:SPACING: space required after that ';' (ctx:VxV) #130: FILE: arch/ia64/include/asm/cmpxchg.h:8: +({(__typeof__(*(ptr))) __arch_xchg((unsigned long) (x), (ptr), sizeof(*(ptr)));}) ^ -:152: CHECK:SPACING: No space is necessary after a cast #152: FILE: arch/ia64/include/uapi/asm/cmpxchg.h:58: +({(__typeof__(*(ptr))) __arch_xchg((unsigned long) (x), (ptr), sizeof(*(ptr)));}) -:152: ERROR:SPACING: space required after that ';' (ctx:VxV) #152: FILE: arch/ia64/include/uapi/asm/cmpxchg.h:58: +({(__typeof__(*(ptr))) __arch_xchg((unsigned long) (x), (ptr), sizeof(*(ptr)));}) ^ -:165: WARNING:VOLATILE: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst #165: FILE: arch/loongarch/include/asm/cmpxchg.h:65: +__arch_xchg(volatile void *ptr, unsigned long x, int size) -:187: ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar" #187: FILE: arch/m68k/include/asm/cmpxchg.h:12: +static inline unsigned long __arch_xchg(unsigned long x, volatile void * ptr, int size) -:187: WARNING:VOLATILE: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst #187: FILE: arch/m68k/include/asm/cmpxchg.h:12: +static inline unsigned long __arch_xchg(unsigned long x, volatile void * ptr, int size) -:196: ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar" #196: FILE: arch/m68k/include/asm/cmpxchg.h:43: +static inline unsigned long __arch_xchg(unsigned long x, volatile void * ptr, int size) -:196: WARNING:VOLATILE: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst #196: FILE: arch/m68k/include/asm/cmpxchg.h:43: +static inline unsigned long __arch_xchg(unsigned long x, volatile void * ptr, int size) -:205: WARNING:LONG_LINE: line length of 102 exceeds 100 columns #205: FILE: arch/m68k/include/asm/cmpxchg.h:78: +#define arch_xchg(ptr,x) ({(__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)));}) -:205: ERROR:SPACING: space required after that ',' (ctx:VxV) #205: FILE: arch/m68k/include/asm/cmpxchg.h:78: +#define arch_xchg(ptr,x) ({(__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)));}) ^ -:205: ERROR:SPACING: space required after that ',' (ctx:VxV) #205: FILE: arch/m68k/include/asm/cmpxchg.h:78: +#define arch_xchg(ptr,x) ({(__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)));}) ^ -:205: ERROR:SPACING: space required after that ',' (ctx:VxV) #205: FILE: arch/m68k/include/asm/cmpxchg.h:78: +#define arch_xchg(ptr,x) ({(__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)));}) ^ -:205: ERROR:SPACING: space required after that ';' (ctx:VxV) #205: FILE: arch/m68k/include/asm/cmpxchg.h:78: +#define arch_xchg(ptr,x) ({(__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)));}) ^ -:205: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'ptr' - possible side-effects? #205: FILE: arch/m68k/include/asm/cmpxchg.h:78: +#define arch_xchg(ptr,x) ({(__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)));}) -:218: WARNING:VOLATILE: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst #218: FILE: arch/mips/include/asm/cmpxchg.h:71: +unsigned long __arch_xchg(volatile void *ptr, unsigned long x, int size) -:240: WARNING:VOLATILE: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst #240: FILE: arch/openrisc/include/asm/cmpxchg.h:150: +static inline unsigned long __arch_xchg(volatile void *ptr, unsigned long with, -:241: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis #241: FILE: arch/openrisc/include/asm/cmpxchg.h:151: +static inline unsigned long __arch_xchg(volatile void *ptr, unsigned long with, int size) -:262: WARNING:VOLATILE: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst #262: FILE: arch/parisc/include/asm/cmpxchg.h:25: +__arch_xchg(unsigned long x, volatile void *ptr, int size) -:284: WARNING:EMBEDDED_FUNCTION_NAME: Prefer using '"%s...", __func__' to using '__xchg_local', this function's name, in a string #284: FILE: arch/powerpc/include/asm/cmpxchg.h:232: + BUILD_BUG_ON_MSG(1, "Unsupported size for __xchg_local"); -:293: WARNING:EMBEDDED_FUNCTION_NAME: Prefer using '"%s...", __func__' to using '__xchg_relaxed', this function's name, in a string #293: FILE: arch/powerpc/include/asm/cmpxchg.h:251: + BUILD_BUG_ON_MSG(1, "Unsupported size for __xchg_relaxed"); -:306: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around v->counter #306: FILE: arch/riscv/include/asm/atomic.h:264: + return __arch_xchg(&(v->counter), n, size); \ -:342: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis #342: FILE: arch/s390/include/asm/cmpxchg.h:18: +static __always_inline unsigned long __arch_xchg(unsigned long x, unsigned long address, int size) -:372: ERROR:SPACING: space required after that ',' (ctx:VxV) #372: FILE: arch/sh/include/asm/cmpxchg.h:49: + ((__typeof__(*(ptr)))__arch_xchg((ptr),(unsigned long)(x), sizeof(*(ptr)))) ^ -:385: ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar" #385: FILE: arch/sparc/include/asm/cmpxchg_32.h:18: +static inline unsigned long __arch_xchg(unsigned long x, __volatile__ void * ptr, int size) -:394: WARNING:LONG_LINE: line length of 102 exceeds 100 columns #394: FILE: arch/sparc/include/asm/cmpxchg_32.h:28: +#define arch_xchg(ptr,x) ({(__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)));}) -:394: ERROR:SPACING: space required after that ',' (ctx:VxV) #394: FILE: arch/sparc/include/asm/cmpxchg_32.h:28: +#define arch_xchg(ptr,x) ({(__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)));}) ^ -:394: ERROR:SPACING: space required after that ',' (ctx:VxV) #394: FILE: arch/sparc/include/asm/cmpxchg_32.h:28: +#define arch_xchg(ptr,x) ({(__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)));}) ^ -:394: ERROR:SPACING: space required after that ',' (ctx:VxV) #394: FILE: arch/sparc/include/asm/cmpxchg_32.h:28: +#define arch_xchg(ptr,x) ({(__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)));}) ^ -:394: ERROR:SPACING: space required after that ';' (ctx:VxV) #394: FILE: arch/sparc/include/asm/cmpxchg_32.h:28: +#define arch_xchg(ptr,x) ({(__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)));}) ^ -:394: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'ptr' - possible side-effects? #394: FILE: arch/sparc/include/asm/cmpxchg_32.h:28: +#define arch_xchg(ptr,x) ({(__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)));}) -:416: ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar" #416: FILE: arch/sparc/include/asm/cmpxchg_64.h:90: +static inline unsigned long __arch_xchg(unsigned long x, __volatile__ void * ptr, -:417: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis #417: FILE: arch/sparc/include/asm/cmpxchg_64.h:91: +static inline unsigned long __arch_xchg(unsigned long x, __volatile__ void * ptr, int size) -:429: ERROR:SPACING: space required after that ',' (ctx:VxV) #429: FILE: arch/xtensa/include/asm/cmpxchg.h:173: + ((__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) ^ -:429: ERROR:SPACING: space required after that ',' (ctx:VxV) #429: FILE: arch/xtensa/include/asm/cmpxchg.h:173: + ((__typeof__(*(ptr)))__arch_xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) ^ -:438: ERROR:POINTER_LOCATION: "foo * bar" should be "foo *bar" #438: FILE: arch/xtensa/include/asm/cmpxchg.h:206: +__arch_xchg(unsigned long x, volatile void * ptr, int size) -:438: WARNING:VOLATILE: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst #438: FILE: arch/xtensa/include/asm/cmpxchg.h:206: +__arch_xchg(unsigned long x, volatile void * ptr, int size) total: 18 errors, 13 warnings, 10 checks, 312 lines checked 3bbbbbfb9668 linux/include: add non-atomic version of xchg Traceback (most recent call last): File "scripts/spdxcheck.py", line 6, in <module> from ply import lex, yacc ModuleNotFoundError: No module named 'ply' -:15: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating? #15: new file mode 100644 total: 0 errors, 1 warnings, 0 checks, 19 lines checked f62adbf67162 drm/i915/gt: use __xchg instead of internal helper