[PATCH] powerpc/uaccess: Fix inline assembly for clang build on PPC32

[Madhavan Srinivasan]

On Tue, 03 Feb 2026 08:30:41 +0100, Christophe Leroy (CS GROUP) wrote:
> Test robot reports the following error with clang-16.0.6:
> 
>    In file included from kernel/rseq.c:75:
>    include/linux/rseq_entry.h:141:3: error: invalid operand for instruction
>                    unsafe_get_user(offset, &ucs->post_commit_offset, efault);
>                    ^
>    include/linux/uaccess.h:608:2: note: expanded from macro 'unsafe_get_user'
>            arch_unsafe_get_user(x, ptr, local_label);      \
>            ^
>    arch/powerpc/include/asm/uaccess.h:518:2: note: expanded from macro 'arch_unsafe_get_user'
>            __get_user_size_goto(__gu_val, __gu_addr, sizeof(*(p)), e); \
>            ^
>    arch/powerpc/include/asm/uaccess.h:284:2: note: expanded from macro '__get_user_size_goto'
>            __get_user_size_allowed(x, ptr, size, __gus_retval);    \
>            ^
>    arch/powerpc/include/asm/uaccess.h:275:10: note: expanded from macro '__get_user_size_allowed'
>            case 8: __get_user_asm2(x, (u64 __user *)ptr, retval);  break;  \
>                    ^
>    arch/powerpc/include/asm/uaccess.h:258:4: note: expanded from macro '__get_user_asm2'
>                    "       li %1+1,0\n"                    \
>                     ^
>    <inline asm>:7:5: note: instantiated into assembly here
>            li 31+1,0
>               ^
>    1 error generated.
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/uaccess: Fix inline assembly for clang build on PPC32
      https://git.kernel.org/powerpc/c/0ee95a1d458630272d0415d0ffa9424fcb606c90

cheers