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| author | Simon Schuster <schuster.simon@siemens-energy.com> | 2025-09-01 15:09:53 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-09-01 15:31:34 +0200 |
| commit | c6ac444ff20ce301020a41e35f1942c6524e0864 (patch) | |
| tree | aa38b7d6038de1c1377d3182244d6f11e721b703 /arch/nios2/kernel/entry.S | |
| parent | bbc46b23af5bb934cd1cf066ef4342cee457a24e (diff) | |
| download | linux-c6ac444ff20ce301020a41e35f1942c6524e0864.tar.gz linux-c6ac444ff20ce301020a41e35f1942c6524e0864.tar.bz2 linux-c6ac444ff20ce301020a41e35f1942c6524e0864.zip | |
nios2: implement architecture-specific portion of sys_clone3
This commit adds the sys_clone3 entry point for nios2. An
architecture-specific wrapper (__sys_clone3) is required to save and
restore additional registers to the kernel stack via SAVE_SWITCH_STACK
and RESTORE_SWITCH_STACK.
Signed-off-by: Simon Schuster <schuster.simon@siemens-energy.com>
Link: https://lore.kernel.org/20250901-nios2-implement-clone3-v2-4-53fcf5577d57@siemens-energy.com
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'arch/nios2/kernel/entry.S')
| -rw-r--r-- | arch/nios2/kernel/entry.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/nios2/kernel/entry.S b/arch/nios2/kernel/entry.S index 99f0a65e6234..dd40dfd908e5 100644 --- a/arch/nios2/kernel/entry.S +++ b/arch/nios2/kernel/entry.S @@ -403,6 +403,12 @@ ENTRY(sys_clone) addi sp, sp, 4 RESTORE_SWITCH_STACK ret +/* long syscall(SYS_clone3, struct clone_args *cl_args, size_t size); */ +ENTRY(__sys_clone3) + SAVE_SWITCH_STACK + call sys_clone3 + RESTORE_SWITCH_STACK + ret ENTRY(sys_rt_sigreturn) SAVE_SWITCH_STACK |