From: "Paul E. McKenney" <paulmck@kernel.org>
To: kernel test robot <lkp@intel.com>
Cc: oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [linux-next:master 2559/3220] arch/riscv/include/asm/cmpxchg.h:329:23: warning: assignment to 'struct tty_struct *' from 'uintptr_t' {aka 'long unsigned int'} makes pointer from integer without a cast
Date: Tue, 2 Apr 2024 10:20:59 -0700 [thread overview]
Message-ID: <55cfb596-8b21-4177-ab4c-0d531fb74c86@paulmck-laptop> (raw)
In-Reply-To: <202404021504.YTP51bL3-lkp@intel.com>
On Tue, Apr 02, 2024 at 03:08:07PM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head: c0b832517f627ead3388c6f0c74e8ac10ad5774b
> commit: df35ee400e06b23ecd44fdb66451a5343932f834 [2559/3220] riscv: Emulate one-byte and two-byte cmpxchg
> config: riscv-randconfig-r061-20240402 (https://download.01.org/0day-ci/archive/20240402/202404021504.YTP51bL3-lkp@intel.com/config)
> compiler: riscv64-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240402/202404021504.YTP51bL3-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 <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202404021504.YTP51bL3-lkp@intel.com/
One fix leads to another. ;-)
Does the patch at the end of this email clear things up?
Thanx, Paul
> All warnings (new ones prefixed by >>):
>
> In file included from arch/riscv/include/asm/atomic.h:19,
> from include/linux/atomic.h:7,
> from include/linux/cpumask.h:14,
> from include/linux/smp.h:13,
> from include/linux/lockdep.h:14,
> from include/linux/spinlock.h:63,
> from include/linux/mmzone.h:8,
> from include/linux/gfp.h:7,
> from include/linux/slab.h:16,
> from drivers/accessibility/speakup/selection.c:2:
> drivers/accessibility/speakup/selection.c: In function 'speakup_set_selection':
> arch/riscv/include/asm/cmpxchg.h:329:62: warning: passing argument 2 of 'cmpxchg_emu_u8' makes integer from pointer without a cast [-Wint-conversion]
> 329 | __ret = cmpxchg_emu_u8((volatile u8 *)__ptr, __old, __new); \
> | ^~~~~
> | |
> | struct tty_struct *
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:71:13: note: in expansion of macro 'cmpxchg'
> 71 | if (cmpxchg(&speakup_sel_work.tty, NULL, tty)) {
> | ^~~~~~~
> In file included from arch/riscv/include/asm/cmpxchg.h:12:
> include/linux/cmpxchg-emu.h:13:52: note: expected 'uintptr_t' {aka 'long unsigned int'} but argument is of type 'struct tty_struct *'
> 13 | uintptr_t cmpxchg_emu_u8(volatile u8 *p, uintptr_t old, uintptr_t new);
> | ~~~~~~~~~~^~~
> arch/riscv/include/asm/cmpxchg.h:329:69: warning: passing argument 3 of 'cmpxchg_emu_u8' makes integer from pointer without a cast [-Wint-conversion]
> 329 | __ret = cmpxchg_emu_u8((volatile u8 *)__ptr, __old, __new); \
> | ^~~~~
> | |
> | struct tty_struct *
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:71:13: note: in expansion of macro 'cmpxchg'
> 71 | if (cmpxchg(&speakup_sel_work.tty, NULL, tty)) {
> | ^~~~~~~
> include/linux/cmpxchg-emu.h:13:67: note: expected 'uintptr_t' {aka 'long unsigned int'} but argument is of type 'struct tty_struct *'
> 13 | uintptr_t cmpxchg_emu_u8(volatile u8 *p, uintptr_t old, uintptr_t new);
> | ~~~~~~~~~~^~~
> >> arch/riscv/include/asm/cmpxchg.h:329:23: warning: assignment to 'struct tty_struct *' from 'uintptr_t' {aka 'long unsigned int'} makes pointer from integer without a cast [-Wint-conversion]
> 329 | __ret = cmpxchg_emu_u8((volatile u8 *)__ptr, __old, __new); \
> | ^
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:71:13: note: in expansion of macro 'cmpxchg'
> 71 | if (cmpxchg(&speakup_sel_work.tty, NULL, tty)) {
> | ^~~~~~~
> arch/riscv/include/asm/cmpxchg.h:333:64: warning: passing argument 2 of 'cmpxchg_emu_u16' makes integer from pointer without a cast [-Wint-conversion]
> 333 | __ret = cmpxchg_emu_u16((volatile u16 *)__ptr, __old, __new); \
> | ^~~~~
> | |
> | struct tty_struct *
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:71:13: note: in expansion of macro 'cmpxchg'
> 71 | if (cmpxchg(&speakup_sel_work.tty, NULL, tty)) {
> | ^~~~~~~
> include/linux/cmpxchg-emu.h:14:54: note: expected 'uintptr_t' {aka 'long unsigned int'} but argument is of type 'struct tty_struct *'
> 14 | uintptr_t cmpxchg_emu_u16(volatile u16 *p, uintptr_t old, uintptr_t new);
> | ~~~~~~~~~~^~~
> arch/riscv/include/asm/cmpxchg.h:333:71: warning: passing argument 3 of 'cmpxchg_emu_u16' makes integer from pointer without a cast [-Wint-conversion]
> 333 | __ret = cmpxchg_emu_u16((volatile u16 *)__ptr, __old, __new); \
> | ^~~~~
> | |
> | struct tty_struct *
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:71:13: note: in expansion of macro 'cmpxchg'
> 71 | if (cmpxchg(&speakup_sel_work.tty, NULL, tty)) {
> | ^~~~~~~
> include/linux/cmpxchg-emu.h:14:69: note: expected 'uintptr_t' {aka 'long unsigned int'} but argument is of type 'struct tty_struct *'
> 14 | uintptr_t cmpxchg_emu_u16(volatile u16 *p, uintptr_t old, uintptr_t new);
> | ~~~~~~~~~~^~~
> arch/riscv/include/asm/cmpxchg.h:333:23: warning: assignment to 'struct tty_struct *' from 'uintptr_t' {aka 'long unsigned int'} makes pointer from integer without a cast [-Wint-conversion]
> 333 | __ret = cmpxchg_emu_u16((volatile u16 *)__ptr, __old, __new); \
> | ^
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:71:13: note: in expansion of macro 'cmpxchg'
> 71 | if (cmpxchg(&speakup_sel_work.tty, NULL, tty)) {
> | ^~~~~~~
> drivers/accessibility/speakup/selection.c: In function 'speakup_paste_selection':
> arch/riscv/include/asm/cmpxchg.h:329:62: warning: passing argument 2 of 'cmpxchg_emu_u8' makes integer from pointer without a cast [-Wint-conversion]
> 329 | __ret = cmpxchg_emu_u8((volatile u8 *)__ptr, __old, __new); \
> | ^~~~~
> | |
> | struct tty_struct *
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:124:13: note: in expansion of macro 'cmpxchg'
> 124 | if (cmpxchg(&speakup_paste_work.tty, NULL, tty)) {
> | ^~~~~~~
> include/linux/cmpxchg-emu.h:13:52: note: expected 'uintptr_t' {aka 'long unsigned int'} but argument is of type 'struct tty_struct *'
> 13 | uintptr_t cmpxchg_emu_u8(volatile u8 *p, uintptr_t old, uintptr_t new);
> | ~~~~~~~~~~^~~
> arch/riscv/include/asm/cmpxchg.h:329:69: warning: passing argument 3 of 'cmpxchg_emu_u8' makes integer from pointer without a cast [-Wint-conversion]
> 329 | __ret = cmpxchg_emu_u8((volatile u8 *)__ptr, __old, __new); \
> | ^~~~~
> | |
> | struct tty_struct *
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:124:13: note: in expansion of macro 'cmpxchg'
> 124 | if (cmpxchg(&speakup_paste_work.tty, NULL, tty)) {
> | ^~~~~~~
> include/linux/cmpxchg-emu.h:13:67: note: expected 'uintptr_t' {aka 'long unsigned int'} but argument is of type 'struct tty_struct *'
> 13 | uintptr_t cmpxchg_emu_u8(volatile u8 *p, uintptr_t old, uintptr_t new);
> | ~~~~~~~~~~^~~
> >> arch/riscv/include/asm/cmpxchg.h:329:23: warning: assignment to 'struct tty_struct *' from 'uintptr_t' {aka 'long unsigned int'} makes pointer from integer without a cast [-Wint-conversion]
> 329 | __ret = cmpxchg_emu_u8((volatile u8 *)__ptr, __old, __new); \
> | ^
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:124:13: note: in expansion of macro 'cmpxchg'
> 124 | if (cmpxchg(&speakup_paste_work.tty, NULL, tty)) {
> | ^~~~~~~
> arch/riscv/include/asm/cmpxchg.h:333:64: warning: passing argument 2 of 'cmpxchg_emu_u16' makes integer from pointer without a cast [-Wint-conversion]
> 333 | __ret = cmpxchg_emu_u16((volatile u16 *)__ptr, __old, __new); \
> | ^~~~~
> | |
> | struct tty_struct *
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:124:13: note: in expansion of macro 'cmpxchg'
> 124 | if (cmpxchg(&speakup_paste_work.tty, NULL, tty)) {
> | ^~~~~~~
> include/linux/cmpxchg-emu.h:14:54: note: expected 'uintptr_t' {aka 'long unsigned int'} but argument is of type 'struct tty_struct *'
> 14 | uintptr_t cmpxchg_emu_u16(volatile u16 *p, uintptr_t old, uintptr_t new);
> | ~~~~~~~~~~^~~
> arch/riscv/include/asm/cmpxchg.h:333:71: warning: passing argument 3 of 'cmpxchg_emu_u16' makes integer from pointer without a cast [-Wint-conversion]
> 333 | __ret = cmpxchg_emu_u16((volatile u16 *)__ptr, __old, __new); \
> | ^~~~~
> | |
> | struct tty_struct *
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:124:13: note: in expansion of macro 'cmpxchg'
> 124 | if (cmpxchg(&speakup_paste_work.tty, NULL, tty)) {
> | ^~~~~~~
> include/linux/cmpxchg-emu.h:14:69: note: expected 'uintptr_t' {aka 'long unsigned int'} but argument is of type 'struct tty_struct *'
> 14 | uintptr_t cmpxchg_emu_u16(volatile u16 *p, uintptr_t old, uintptr_t new);
> | ~~~~~~~~~~^~~
> arch/riscv/include/asm/cmpxchg.h:333:23: warning: assignment to 'struct tty_struct *' from 'uintptr_t' {aka 'long unsigned int'} makes pointer from integer without a cast [-Wint-conversion]
> 333 | __ret = cmpxchg_emu_u16((volatile u16 *)__ptr, __old, __new); \
> | ^
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:124:13: note: in expansion of macro 'cmpxchg'
> 124 | if (cmpxchg(&speakup_paste_work.tty, NULL, tty)) {
> | ^~~~~~~
> drivers/accessibility/speakup/selection.c: In function 'speakup_set_selection':
> arch/riscv/include/asm/cmpxchg.h:333:23: warning: this statement may fall through [-Wimplicit-fallthrough=]
> 333 | __ret = cmpxchg_emu_u16((volatile u16 *)__ptr, __old, __new); \
> | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:71:13: note: in expansion of macro 'cmpxchg'
> 71 | if (cmpxchg(&speakup_sel_work.tty, NULL, tty)) {
> | ^~~~~~~
> arch/riscv/include/asm/cmpxchg.h:334:9: note: here
> 334 | case 4: \
> | ^~~~
> arch/riscv/include/asm/cmpxchg.h:368:30: note: in expansion of macro '__cmpxchg'
> 368 | (__typeof__(*(ptr))) __cmpxchg((ptr), \
> | ^~~~~~~~~
> include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
> 55 | #define raw_cmpxchg arch_cmpxchg
> | ^~~~~~~~~~~~
> include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
> 4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
> | ^~~~~~~~~~~
> drivers/accessibility/speakup/selection.c:71:13: note: in expansion of macro 'cmpxchg'
> 71 | if (cmpxchg(&speakup_sel_work.tty, NULL, tty)) {
> | ^~~~~~~
>
>
> vim +329 arch/riscv/include/asm/cmpxchg.h
>
> 319
> 320 #define __cmpxchg(ptr, old, new, size) \
> 321 ({ \
> 322 __typeof__(ptr) __ptr = (ptr); \
> 323 __typeof__(*(ptr)) __old = (old); \
> 324 __typeof__(*(ptr)) __new = (new); \
> 325 __typeof__(*(ptr)) __ret; \
> 326 register unsigned int __rc; \
> 327 switch (size) { \
> 328 case 1: \
> > 329 __ret = cmpxchg_emu_u8((volatile u8 *)__ptr, __old, __new); \
> 330 break; \
> 331 case 2: \
> 332 break; \
> 333 __ret = cmpxchg_emu_u16((volatile u16 *)__ptr, __old, __new); \
> 334 case 4: \
> 335 __asm__ __volatile__ ( \
> 336 "0: lr.w %0, %2\n" \
> 337 " bne %0, %z3, 1f\n" \
> 338 " sc.w.rl %1, %z4, %2\n" \
> 339 " bnez %1, 0b\n" \
> 340 RISCV_FULL_BARRIER \
> 341 "1:\n" \
> 342 : "=&r" (__ret), "=&r" (__rc), "+A" (*__ptr) \
> 343 : "rJ" ((long)__old), "rJ" (__new) \
> 344 : "memory"); \
> 345 break; \
> 346 case 8: \
> 347 __asm__ __volatile__ ( \
> 348 "0: lr.d %0, %2\n" \
> 349 " bne %0, %z3, 1f\n" \
> 350 " sc.d.rl %1, %z4, %2\n" \
> 351 " bnez %1, 0b\n" \
> 352 RISCV_FULL_BARRIER \
> 353 "1:\n" \
> 354 : "=&r" (__ret), "=&r" (__rc), "+A" (*__ptr) \
> 355 : "rJ" (__old), "rJ" (__new) \
> 356 : "memory"); \
> 357 break; \
> 358 default: \
> 359 BUILD_BUG(); \
> 360 } \
> 361 __ret; \
> 362 })
> 363
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
------------------------------------------------------------------------
diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h
index a5b377481785c..fb1ac86ac2bf6 100644
--- a/arch/riscv/include/asm/cmpxchg.h
+++ b/arch/riscv/include/asm/cmpxchg.h
@@ -172,11 +172,11 @@
register unsigned int __rc; \
switch (size) { \
case 1: \
- __ret = cmpxchg_emu_u8((volatile u8 *)__ptr, __old, __new); \
+ __ret = cmpxchg_emu_u8((volatile u8 *)__ptr, (uintptr_t)__old, (uintptr_t)__new); \
break; \
case 2: \
break; \
- __ret = cmpxchg_emu_u16((volatile u16 *)__ptr, __old, __new); \
+ __ret = cmpxchg_emu_u16((volatile u16 *)__ptr, (uintptr_t)__old, (uintptr_t)__new); \
case 4: \
__asm__ __volatile__ ( \
"0: lr.w %0, %2\n" \
next prev parent reply other threads:[~2024-04-02 17:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-02 7:08 kernel test robot
2024-04-02 17:20 ` Paul E. McKenney [this message]
2024-04-03 6:57 ` Yujie Liu
2024-04-03 22:21 ` Paul E. McKenney
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