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authorHeiko Carstens <hca@linux.ibm.com>2024-02-03 11:45:10 +0100
committerHeiko Carstens <hca@linux.ibm.com>2024-02-16 14:30:15 +0100
commit87c5c70036813d26e6e7e4393747a4fdc63cf193 (patch)
treeca4c0ecae619c014cbfaee3c5877e36f082f7671 /arch/s390/kernel/traps.c
parents390/fpu: convert FPU CIF flag to regular TIF flag (diff)
downloadwireguard-linux-87c5c70036813d26e6e7e4393747a4fdc63cf193.tar.xz
wireguard-linux-87c5c70036813d26e6e7e4393747a4fdc63cf193.zip
s390/fpu: rename save_fpu_regs() to save_user_fpu_regs(), etc
Rename save_fpu_regs(), load_fpu_regs(), and struct thread_struct's fpu member to save_user_fpu_regs(), load_user_fpu_regs(), and ufpu. This way the function and variable names reflect for which context they are supposed to be used. This large and trivial conversion is a prerequisite for making the kernel fpu usage preemptible. Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/kernel/traps.c')
-rw-r--r--arch/s390/kernel/traps.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 08f8aee96d8f..52578b5cecbd 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -201,8 +201,8 @@ static void vector_exception(struct pt_regs *regs)
}
/* get vector interrupt code from fpc */
- save_fpu_regs();
- vic = (current->thread.fpu.fpc & 0xf00) >> 8;
+ save_user_fpu_regs();
+ vic = (current->thread.ufpu.fpc & 0xf00) >> 8;
switch (vic) {
case 1: /* invalid vector operation */
si_code = FPE_FLTINV;
@@ -227,9 +227,9 @@ static void vector_exception(struct pt_regs *regs)
static void data_exception(struct pt_regs *regs)
{
- save_fpu_regs();
- if (current->thread.fpu.fpc & FPC_DXC_MASK)
- do_fp_trap(regs, current->thread.fpu.fpc);
+ save_user_fpu_regs();
+ if (current->thread.ufpu.fpc & FPC_DXC_MASK)
+ do_fp_trap(regs, current->thread.ufpu.fpc);
else
do_trap(regs, SIGILL, ILL_ILLOPN, "data exception");
}