Messages in this thread | | | Subject | Re: [PATCH] riscv: Mark __se_sys_* functions __used | From | patchwork-bot+linux-riscv@kernel ... | Date | Wed, 27 Mar 2024 14:00:29 +0000 |
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Hello:
This patch was applied to riscv/linux.git (fixes) by Palmer Dabbelt <palmer@rivosinc.com>:
On Tue, 26 Mar 2024 15:37:13 +0000 you wrote: > Clang doesn't think ___se_sys_* functions used even though they are > aliased to __se_sys_*, resulting in -Wunused-function warnings when > building rv32. For example: > > mm/oom_kill.c:1195:1: warning: unused function '___se_sys_process_mrelease' [-Wunused-function] > 1195 | SYSCALL_DEFINE2(process_mrelease, int, pidfd, unsigned int, flags) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > include/linux/syscalls.h:221:36: note: expanded from macro 'SYSCALL_DEFINE2' > 221 | #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > include/linux/syscalls.h:231:2: note: expanded from macro 'SYSCALL_DEFINEx' > 231 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/riscv/include/asm/syscall_wrapper.h:81:2: note: expanded from macro '__SYSCALL_DEFINEx' > 81 | __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/riscv/include/asm/syscall_wrapper.h:40:14: note: expanded from macro '__SYSCALL_SE_DEFINEx' > 40 | static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) > | ^~~~~~~~~~~~~~~~~~~~ > <scratch space>:30:1: note: expanded from here > 30 | ___se_sys_process_mrelease > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > 1 warning generated. > > [...]
Here is the summary with links: - riscv: Mark __se_sys_* functions __used https://git.kernel.org/riscv/c/653650c468be
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