bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-23 00:55:48 -04:00
Code Issues Packages Projects Releases Wiki Activity

s390/fpu: provide and use lfpc, sfpc, and stfpc inline assemblies

Browse Source 
Instead of open-coding lfpc, sfpc, and stfpc inline assemblies at
several locations, provide an fpu_* function for each instruction and
use the function instead.

Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens
2024-02-03 11:45:06 +01:00
parent 88d8136a08
commit f4e3de75d0
3 changed files with 32 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/s390/kernel/process.c
View File

@@ -191,7 +191,7 @@ int copy_thread(struct task_struct *p, const struct kernel_clone_args *args)
void execve_tail(void)
{
current->thread.fpu.fpc = 0;
asm volatile("sfpc %0" : : "d" (0));
fpu_sfpc(0);
}
struct task_struct *__switch_to(struct task_struct *prev, struct task_struct *next)