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* [tglx-devel:x86/fpu 31/67] arch/x86/math-emu/fpu_proto.h:147:13: error: conflicting types for 'frstor'
@ 2021-06-23  8:21 kernel test robot
  2021-06-23  9:53 ` Borislav Petkov
  2021-06-23 15:28 ` Thomas Gleixner
  0 siblings, 2 replies; 3+ messages in thread
From: kernel test robot @ 2021-06-23  8:21 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 19937 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git x86/fpu
head:   b408a673a7086acb9f3b4ab3084e67652f94f7a6
commit: 54a8a528861610b4227a5933f2b298bc21a11596 [31/67] x86/fpu: Rename fregs related copy functions
config: i386-randconfig-r023-20210622 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git/commit/?id=54a8a528861610b4227a5933f2b298bc21a11596
        git remote add tglx-devel https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git
        git fetch --no-tags tglx-devel x86/fpu
        git checkout 54a8a528861610b4227a5933f2b298bc21a11596
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from arch/x86/math-emu/fpu_emu.h:213,
                    from arch/x86/math-emu/fpu_entry.c:37:
>> arch/x86/math-emu/fpu_proto.h:147:13: error: conflicting types for 'frstor'
     147 | extern void frstor(fpu_addr_modes addr_modes, u_char __user *data_address);
         |             ^~~~~~
   In file included from arch/x86/math-emu/fpu_entry.c:34:
   arch/x86/include/asm/fpu/internal.h:165:20: note: previous definition of 'frstor' was here
     165 | static inline void frstor(struct fregs_state *fx)
         |                    ^~~~~~
   arch/x86/math-emu/fpu_entry.c:638:5: warning: no previous prototype for 'fpregs_soft_set' [-Wmissing-prototypes]
     638 | int fpregs_soft_set(struct task_struct *target,
         |     ^~~~~~~~~~~~~~~
   arch/x86/math-emu/fpu_entry.c:690:5: warning: no previous prototype for 'fpregs_soft_get' [-Wmissing-prototypes]
     690 | int fpregs_soft_get(struct task_struct *target,
         |     ^~~~~~~~~~~~~~~


vim +/frstor +147 arch/x86/math-emu/fpu_proto.h

^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16    4  
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16    5  /* errors.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16    6  extern void FPU_illegal(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16    7  extern void FPU_printall(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16    8  asmlinkage void FPU_exception(int n);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16    9  extern int real_1op_NaN(FPU_REG *a);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   10  extern int real_2op_NaN(FPU_REG const *b, u_char tagb, int deststnr,
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   11  			FPU_REG const *defaultNaN);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   12  asmlinkage int arith_invalid(int deststnr);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   13  asmlinkage int FPU_divide_by_zero(int deststnr, u_char sign);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   14  extern int set_precision_flag(int flags);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   15  asmlinkage void set_precision_flag_up(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   16  asmlinkage void set_precision_flag_down(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   17  asmlinkage int denormal_operand(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   18  asmlinkage int arith_overflow(FPU_REG *dest);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   19  asmlinkage int arith_underflow(FPU_REG *dest);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   20  extern void FPU_stack_overflow(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   21  extern void FPU_stack_underflow(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   22  extern void FPU_stack_underflow_i(int i);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   23  extern void FPU_stack_underflow_pop(int i);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   24  /* fpu_arith.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   25  extern void fadd__(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   26  extern void fmul__(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   27  extern void fsub__(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   28  extern void fsubr_(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   29  extern void fdiv__(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   30  extern void fdivr_(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   31  extern void fadd_i(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   32  extern void fmul_i(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   33  extern void fsubri(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   34  extern void fsub_i(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   35  extern void fdivri(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   36  extern void fdiv_i(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   37  extern void faddp_(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   38  extern void fmulp_(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   39  extern void fsubrp(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   40  extern void fsubp_(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   41  extern void fdivrp(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   42  extern void fdivp_(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   43  /* fpu_aux.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   44  extern void finit(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   45  extern void finit_(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   46  extern void fstsw_(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   47  extern void fp_nop(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   48  extern void fld_i_(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   49  extern void fxch_i(void);
9a9d8642d03a75 arch/x86/math-emu/fpu_proto.h  Denys Vlasenko 2015-09-18   50  extern void fcmovb(void);
9a9d8642d03a75 arch/x86/math-emu/fpu_proto.h  Denys Vlasenko 2015-09-18   51  extern void fcmove(void);
9a9d8642d03a75 arch/x86/math-emu/fpu_proto.h  Denys Vlasenko 2015-09-18   52  extern void fcmovbe(void);
9a9d8642d03a75 arch/x86/math-emu/fpu_proto.h  Denys Vlasenko 2015-09-18   53  extern void fcmovu(void);
9a9d8642d03a75 arch/x86/math-emu/fpu_proto.h  Denys Vlasenko 2015-09-18   54  extern void fcmovnb(void);
9a9d8642d03a75 arch/x86/math-emu/fpu_proto.h  Denys Vlasenko 2015-09-18   55  extern void fcmovne(void);
9a9d8642d03a75 arch/x86/math-emu/fpu_proto.h  Denys Vlasenko 2015-09-18   56  extern void fcmovnbe(void);
9a9d8642d03a75 arch/x86/math-emu/fpu_proto.h  Denys Vlasenko 2015-09-18   57  extern void fcmovnu(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   58  extern void ffree_(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   59  extern void ffreep(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   60  extern void fst_i_(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   61  extern void fstp_i(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   62  /* fpu_entry.c */
d315760ffa261c arch/x86/math-emu/fpu_proto.h  Tejun Heo      2009-02-09   63  extern void math_emulate(struct math_emu_info *info);
ae6af41f5a4841 arch/x86/math-emu/fpu_proto.h  Tejun Heo      2009-02-09   64  extern void math_abort(struct math_emu_info *info, unsigned int signal);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   65  /* fpu_etc.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   66  extern void FPU_etc(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   67  /* fpu_tags.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   68  extern int FPU_gettag0(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   69  extern int FPU_gettagi(int stnr);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   70  extern int FPU_gettag(int regnr);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   71  extern void FPU_settag0(int tag);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   72  extern void FPU_settagi(int stnr, int tag);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   73  extern void FPU_settag(int regnr, int tag);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   74  extern int FPU_Special(FPU_REG const *ptr);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   75  extern int isNaN(FPU_REG const *ptr);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   76  extern void FPU_pop(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   77  extern int FPU_empty_i(int stnr);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   78  extern int FPU_stackoverflow(FPU_REG ** st_new_ptr);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   79  extern void FPU_copy_to_regi(FPU_REG const *r, u_char tag, int stnr);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   80  extern void FPU_copy_to_reg1(FPU_REG const *r, u_char tag);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   81  extern void FPU_copy_to_reg0(FPU_REG const *r, u_char tag);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   82  /* fpu_trig.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   83  extern void FPU_triga(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   84  extern void FPU_trigb(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   85  /* get_address.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   86  extern void __user *FPU_get_address(u_char FPU_modrm, unsigned long *fpu_eip,
3d0d14f983b55a arch/x86/math-emu/fpu_proto.h  Ingo Molnar    2008-01-30   87  				    struct address *addr,
3d0d14f983b55a arch/x86/math-emu/fpu_proto.h  Ingo Molnar    2008-01-30   88  				    fpu_addr_modes addr_modes);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   89  extern void __user *FPU_get_address_16(u_char FPU_modrm, unsigned long *fpu_eip,
3d0d14f983b55a arch/x86/math-emu/fpu_proto.h  Ingo Molnar    2008-01-30   90  				       struct address *addr,
3d0d14f983b55a arch/x86/math-emu/fpu_proto.h  Ingo Molnar    2008-01-30   91  				       fpu_addr_modes addr_modes);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   92  /* load_store.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   93  extern int FPU_load_store(u_char type, fpu_addr_modes addr_modes,
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   94  			  void __user * data_address);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   95  /* poly_2xm1.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   96  extern int poly_2xm1(u_char sign, FPU_REG * arg, FPU_REG *result);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   97  /* poly_atan.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   98  extern void poly_atan(FPU_REG * st0_ptr, u_char st0_tag, FPU_REG *st1_ptr,
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16   99  		      u_char st1_tag);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  100  /* poly_l2.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  101  extern void poly_l2(FPU_REG *st0_ptr, FPU_REG *st1_ptr, u_char st1_sign);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  102  extern int poly_l2p1(u_char s0, u_char s1, FPU_REG *r0, FPU_REG *r1,
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  103  		     FPU_REG * d);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  104  /* poly_sin.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  105  extern void poly_sine(FPU_REG *st0_ptr);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  106  extern void poly_cos(FPU_REG *st0_ptr);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  107  /* poly_tan.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  108  extern void poly_tan(FPU_REG *st0_ptr);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  109  /* reg_add_sub.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  110  extern int FPU_add(FPU_REG const *b, u_char tagb, int destrnr, int control_w);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  111  extern int FPU_sub(int flags, int rm, int control_w);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  112  /* reg_compare.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  113  extern int FPU_compare_st_data(FPU_REG const *loaded_data, u_char loaded_tag);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  114  extern void fcom_st(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  115  extern void fcompst(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  116  extern void fcompp(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  117  extern void fucom_(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  118  extern void fucomp(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  119  extern void fucompp(void);
b8e4a910e57696 arch/x86/math-emu/fpu_proto.h  Denys Vlasenko 2015-09-18  120  extern void fcomi_(void);
b8e4a910e57696 arch/x86/math-emu/fpu_proto.h  Denys Vlasenko 2015-09-18  121  extern void fcomip(void);
b8e4a910e57696 arch/x86/math-emu/fpu_proto.h  Denys Vlasenko 2015-09-18  122  extern void fucomi_(void);
b8e4a910e57696 arch/x86/math-emu/fpu_proto.h  Denys Vlasenko 2015-09-18  123  extern void fucomip(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  124  /* reg_constant.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  125  extern void fconst(void);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  126  /* reg_ld_str.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  127  extern int FPU_load_extended(long double __user *s, int stnr);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  128  extern int FPU_load_double(double __user *dfloat, FPU_REG *loaded_data);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  129  extern int FPU_load_single(float __user *single, FPU_REG *loaded_data);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  130  extern int FPU_load_int64(long long __user *_s);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  131  extern int FPU_load_int32(long __user *_s, FPU_REG *loaded_data);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  132  extern int FPU_load_int16(short __user *_s, FPU_REG *loaded_data);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  133  extern int FPU_load_bcd(u_char __user *s);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  134  extern int FPU_store_extended(FPU_REG *st0_ptr, u_char st0_tag,
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  135  			      long double __user * d);
3d0d14f983b55a arch/x86/math-emu/fpu_proto.h  Ingo Molnar    2008-01-30  136  extern int FPU_store_double(FPU_REG *st0_ptr, u_char st0_tag,
3d0d14f983b55a arch/x86/math-emu/fpu_proto.h  Ingo Molnar    2008-01-30  137  			    double __user * dfloat);
3d0d14f983b55a arch/x86/math-emu/fpu_proto.h  Ingo Molnar    2008-01-30  138  extern int FPU_store_single(FPU_REG *st0_ptr, u_char st0_tag,
3d0d14f983b55a arch/x86/math-emu/fpu_proto.h  Ingo Molnar    2008-01-30  139  			    float __user * single);
3d0d14f983b55a arch/x86/math-emu/fpu_proto.h  Ingo Molnar    2008-01-30  140  extern int FPU_store_int64(FPU_REG *st0_ptr, u_char st0_tag,
3d0d14f983b55a arch/x86/math-emu/fpu_proto.h  Ingo Molnar    2008-01-30  141  			   long long __user * d);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  142  extern int FPU_store_int32(FPU_REG *st0_ptr, u_char st0_tag, long __user *d);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  143  extern int FPU_store_int16(FPU_REG *st0_ptr, u_char st0_tag, short __user *d);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  144  extern int FPU_store_bcd(FPU_REG *st0_ptr, u_char st0_tag, u_char __user *d);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  145  extern int FPU_round_to_int(FPU_REG *r, u_char tag);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  146  extern u_char __user *fldenv(fpu_addr_modes addr_modes, u_char __user *s);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16 @147  extern void frstor(fpu_addr_modes addr_modes, u_char __user *data_address);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  148  extern u_char __user *fstenv(fpu_addr_modes addr_modes, u_char __user *d);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  149  extern void fsave(fpu_addr_modes addr_modes, u_char __user *data_address);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  150  extern int FPU_tagof(FPU_REG *ptr);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  151  /* reg_mul.c */
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  152  extern int FPU_mul(FPU_REG const *b, u_char tagb, int deststnr, int control_w);
^1da177e4c3f41 arch/i386/math-emu/fpu_proto.h Linus Torvalds 2005-04-16  153  

:::::: The code at line 147 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 43532 bytes --]

^ permalink raw reply	[flat|nested] 3+ messages in thread
* Re: [tglx-devel:x86/fpu 31/67] arch/x86/math-emu/fpu_proto.h:147:13: error: conflicting types for 'frstor'
  2021-06-23  8:21 [tglx-devel:x86/fpu 31/67] arch/x86/math-emu/fpu_proto.h:147:13: error: conflicting types for 'frstor' kernel test robot
@ 2021-06-23  9:53 ` Borislav Petkov
  2021-06-23 15:28 ` Thomas Gleixner
  1 sibling, 0 replies; 3+ messages in thread
From: Borislav Petkov @ 2021-06-23  9:53 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 4217 bytes --]

On Wed, Jun 23, 2021 at 04:21:10PM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git x86/fpu
> head:   b408a673a7086acb9f3b4ab3084e67652f94f7a6
> commit: 54a8a528861610b4227a5933f2b298bc21a11596 [31/67] x86/fpu: Rename fregs related copy functions
> config: i386-randconfig-r023-20210622 (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
> reproduce (this is a W=1 build):
>         # https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git/commit/?id=54a8a528861610b4227a5933f2b298bc21a11596
>         git remote add tglx-devel https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git
>         git fetch --no-tags tglx-devel x86/fpu
>         git checkout 54a8a528861610b4227a5933f2b298bc21a11596
>         # save the attached .config to linux build tree
>         make W=1 ARCH=i386 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
>    In file included from arch/x86/math-emu/fpu_emu.h:213,
>                     from arch/x86/math-emu/fpu_entry.c:37:
> >> arch/x86/math-emu/fpu_proto.h:147:13: error: conflicting types for 'frstor'
>      147 | extern void frstor(fpu_addr_modes addr_modes, u_char __user *data_address);
>          |             ^~~~~~
>    In file included from arch/x86/math-emu/fpu_entry.c:34:
>    arch/x86/include/asm/fpu/internal.h:165:20: note: previous definition of 'frstor' was here
>      165 | static inline void frstor(struct fregs_state *fx)
>          |                    ^~~~~~
>    arch/x86/math-emu/fpu_entry.c:638:5: warning: no previous prototype for 'fpregs_soft_set' [-Wmissing-prototypes]
>      638 | int fpregs_soft_set(struct task_struct *target,
>          |     ^~~~~~~~~~~~~~~
>    arch/x86/math-emu/fpu_entry.c:690:5: warning: no previous prototype for 'fpregs_soft_get' [-Wmissing-prototypes]
>      690 | int fpregs_soft_get(struct task_struct *target,
>          |     ^~~~~~~~~~~~~~~

Thanks for the report.

I guess math-emu can s**k it:

---
diff --git a/arch/x86/math-emu/fpu_proto.h b/arch/x86/math-emu/fpu_proto.h
index 70d35c200945..94c4023092f3 100644
--- a/arch/x86/math-emu/fpu_proto.h
+++ b/arch/x86/math-emu/fpu_proto.h
@@ -144,7 +144,7 @@ extern int FPU_store_int16(FPU_REG *st0_ptr, u_char st0_tag, short __user *d);
 extern int FPU_store_bcd(FPU_REG *st0_ptr, u_char st0_tag, u_char __user *d);
 extern int FPU_round_to_int(FPU_REG *r, u_char tag);
 extern u_char __user *fldenv(fpu_addr_modes addr_modes, u_char __user *s);
-extern void frstor(fpu_addr_modes addr_modes, u_char __user *data_address);
+extern void FPU_frstor(fpu_addr_modes addr_modes, u_char __user *data_address);
 extern u_char __user *fstenv(fpu_addr_modes addr_modes, u_char __user *d);
 extern void fsave(fpu_addr_modes addr_modes, u_char __user *data_address);
 extern int FPU_tagof(FPU_REG *ptr);
diff --git a/arch/x86/math-emu/load_store.c b/arch/x86/math-emu/load_store.c
index f15263e158e8..4092df79de4f 100644
--- a/arch/x86/math-emu/load_store.c
+++ b/arch/x86/math-emu/load_store.c
@@ -240,7 +240,7 @@ int FPU_load_store(u_char type, fpu_addr_modes addr_modes,
 		   fix-up operations. */
 		return 1;
 	case 022:		/* frstor m94/108byte */
-		frstor(addr_modes, (u_char __user *) data_address);
+		FPU_frstor(addr_modes, (u_char __user *) data_address);
 		/* Ensure that the values just loaded are not changed by
 		   fix-up operations. */
 		return 1;
diff --git a/arch/x86/math-emu/reg_ld_str.c b/arch/x86/math-emu/reg_ld_str.c
index 7ca6417c0c8d..7e4521fbe7da 100644
--- a/arch/x86/math-emu/reg_ld_str.c
+++ b/arch/x86/math-emu/reg_ld_str.c
@@ -1117,7 +1117,7 @@ u_char __user *fldenv(fpu_addr_modes addr_modes, u_char __user *s)
 	return s;
 }
 
-void frstor(fpu_addr_modes addr_modes, u_char __user *data_address)
+void FPU_frstor(fpu_addr_modes addr_modes, u_char __user *data_address)
 {
 	int i, regnr;
 	u_char __user *s = fldenv(addr_modes, data_address);

-- 
Regards/Gruss,
    Boris.

SUSE Software Solutions Germany GmbH, GF: Felix Imendörffer, HRB 36809, AG Nürnberg

^ permalink raw reply related	[flat|nested] 3+ messages in thread
* Re: [tglx-devel:x86/fpu 31/67] arch/x86/math-emu/fpu_proto.h:147:13: error: conflicting types for 'frstor'
  2021-06-23  8:21 [tglx-devel:x86/fpu 31/67] arch/x86/math-emu/fpu_proto.h:147:13: error: conflicting types for 'frstor' kernel test robot
  2021-06-23  9:53 ` Borislav Petkov
@ 2021-06-23 15:28 ` Thomas Gleixner
  1 sibling, 0 replies; 3+ messages in thread
From: Thomas Gleixner @ 2021-06-23 15:28 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 378 bytes --]

On Wed, Jun 23 2021 at 16:21, kernel test robot wrote:
>    In file included from arch/x86/math-emu/fpu_emu.h:213,
>                     from arch/x86/math-emu/fpu_entry.c:37:
>>> arch/x86/math-emu/fpu_proto.h:147:13: error: conflicting types for 'frstor'
>      147 | extern void frstor(fpu_addr_modes addr_modes, u_char __user *data_address);

Fixed now. Tree updated.

^ permalink raw reply	[flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-06-23 15:28 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-06-23  8:21 [tglx-devel:x86/fpu 31/67] arch/x86/math-emu/fpu_proto.h:147:13: error: conflicting types for 'frstor' kernel test robot
2021-06-23  9:53 ` Borislav Petkov
2021-06-23 15:28 ` Thomas Gleixner

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