From 08f87f769b595151be1afeff53e144f543faa614 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 06 Dec 2023 09:51:13 +0000
Subject: [PATCH] add dts config
---
kernel/arch/x86/math-emu/fpu_entry.c | 22 +++++-----------------
1 files changed, 5 insertions(+), 17 deletions(-)
diff --git a/kernel/arch/x86/math-emu/fpu_entry.c b/kernel/arch/x86/math-emu/fpu_entry.c
index 9e2ba7e..8679a9d 100644
--- a/kernel/arch/x86/math-emu/fpu_entry.c
+++ b/kernel/arch/x86/math-emu/fpu_entry.c
@@ -113,9 +113,6 @@
unsigned long code_base = 0;
unsigned long code_limit = 0; /* Initialized to stop compiler warnings */
struct desc_struct code_descriptor;
- struct fpu *fpu = ¤t->thread.fpu;
-
- fpu__initialize(fpu);
#ifdef RE_ENTRANT_CHECKING
if (emulating) {
@@ -692,12 +689,10 @@
int fpregs_soft_get(struct task_struct *target,
const struct user_regset *regset,
- unsigned int pos, unsigned int count,
- void *kbuf, void __user *ubuf)
+ struct membuf to)
{
struct swregs_state *s387 = &target->thread.fpu.state.soft;
const void *space = s387->st_space;
- int ret;
int offset = (S387->ftop & 7) * 10, other = 80 - offset;
RE_ENTRANT_CHECK_OFF;
@@ -712,18 +707,11 @@
S387->fos |= 0xffff0000;
#endif /* PECULIAR_486 */
- ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, s387, 0,
- offsetof(struct swregs_state, st_space));
-
- /* Copy all registers in stack order. */
- if (!ret)
- ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
- space + offset, 0, other);
- if (!ret)
- ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
- space, 0, offset);
+ membuf_write(&to, s387, offsetof(struct swregs_state, st_space));
+ membuf_write(&to, space + offset, other);
+ membuf_write(&to, space, offset);
RE_ENTRANT_CHECK_ON;
- return ret;
+ return 0;
}
--
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