| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Tue, 8 Jan 2008 20:32:23 +0100
From: Paolo Ciarrocchi <paolo.ciarrocchi@...il.com>
To: tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
Ingo Molnar <mingo@...e.hu>
Cc: Linux Kernel <linux-kernel@...r.kernel.org>, trivial@...nel.org
Subject: [PATCH 2/5] x86: coding style fixes in arch/x86/ia32/fpu32.c
Fix a few coding style violations (37 errors).
Checkpatch now reports:
total: 2 errors, 1 warnings, 183 lines checked
Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@...il.com>
---
arch/x86/ia32/fpu32.c | 68 ++++++++++++++++++++++++------------------------
1 files changed, 34 insertions(+), 34 deletions(-)
diff --git a/arch/x86/ia32/fpu32.c b/arch/x86/ia32/fpu32.c
index 2c8209a..2efc306 100644
--- a/arch/x86/ia32/fpu32.c
+++ b/arch/x86/ia32/fpu32.c
@@ -1,8 +1,8 @@
-/*
+/*
* Copyright 2002 Andi Kleen, SuSE Labs.
* FXSAVE<->i387 conversion support. Based on code by Gareth Hughes.
* This is used for ptrace, signals and coredumps in 32bit emulation.
- */
+ */
#include <linux/sched.h>
#include <asm/sigcontext32.h>
@@ -13,15 +13,15 @@
static inline unsigned short twd_i387_to_fxsr(unsigned short twd)
{
unsigned int tmp; /* to avoid 16 bit prefixes in the code */
-
+
/* Transform each pair of bits into 01 (valid) or 00 (empty) */
- tmp = ~twd;
- tmp = (tmp | (tmp>>1)) & 0x5555; /* 0V0V0V0V0V0V0V0V */
- /* and move the valid bits to the lower byte. */
- tmp = (tmp | (tmp >> 1)) & 0x3333; /* 00VV00VV00VV00VV */
- tmp = (tmp | (tmp >> 2)) & 0x0f0f; /* 0000VVVV0000VVVV */
- tmp = (tmp | (tmp >> 4)) & 0x00ff; /* 00000000VVVVVVVV */
- return tmp;
+ tmp = ~twd;
+ tmp = (tmp | (tmp>>1)) & 0x5555; /* 0V0V0V0V0V0V0V0V */
+ /* and move the valid bits to the lower byte. */
+ tmp = (tmp | (tmp >> 1)) & 0x3333; /* 00VV00VV00VV00VV */
+ tmp = (tmp | (tmp >> 2)) & 0x0f0f; /* 0000VVVV0000VVVV */
+ tmp = (tmp | (tmp >> 4)) & 0x00ff; /* 00000000VVVVVVVV */
+ return tmp;
}
static inline unsigned long twd_fxsr_to_i387(struct i387_fxsave_struct *fxsave)
@@ -37,17 +37,17 @@ static inline unsigned long twd_fxsr_to_i387(struct i387_fxsave_struct *fxsave)
for (i = 0 ; i < 8 ; i++) {
if (twd & 0x1) {
- st = FPREG_ADDR( fxsave, (i - tos) & 7 );
+ st = FPREG_ADDR(fxsave, (i - tos) & 7);
switch (st->exponent & 0x7fff) {
case 0x7fff:
tag = 2; /* Special */
break;
case 0x0000:
- if ( !st->significand[0] &&
+ if (!st->significand[0] &&
!st->significand[1] &&
!st->significand[2] &&
- !st->significand[3] ) {
+ !st->significand[3]) {
tag = 1; /* Zero */
} else {
tag = 2; /* Special */
@@ -91,8 +91,8 @@ static inline int convert_fxsr_from_user(struct i387_fxsave_struct *fxsave,
G(5, fxsave->rdp);
/* 6: ds ignored */
#undef G
- if (err)
- return -1;
+ if (err)
+ return -1;
to = (struct _fpxreg *)&fxsave->st_space[0];
from = &buf->_st[0];
@@ -112,57 +112,57 @@ static inline int convert_fxsr_to_user(struct _fpstate_ia32 __user *buf,
struct _fpreg __user *to;
struct _fpxreg *from;
int i;
- u16 cs,ds;
- int err = 0;
+ u16 cs, ds;
+ int err = 0;
if (tsk == current) {
/* should be actually ds/cs at fpu exception time,
but that information is not available in 64bit mode. */
- asm("movw %%ds,%0 " : "=r" (ds));
- asm("movw %%cs,%0 " : "=r" (cs));
+ asm("movw %%ds,%0 " : "=r" (ds));
+ asm("movw %%cs,%0 " : "=r" (cs));
} else { /* ptrace. task has stopped. */
ds = tsk->thread.ds;
cs = regs->cs;
- }
+ }
#define P(num,val) err |= __put_user(val, num + (u32 __user *)buf)
P(0, (u32)fxsave->cwd | 0xffff0000);
P(1, (u32)fxsave->swd | 0xffff0000);
P(2, twd_fxsr_to_i387(fxsave));
P(3, (u32)fxsave->rip);
- P(4, cs | ((u32)fxsave->fop) << 16);
+ P(4, cs | ((u32)fxsave->fop) << 16);
P(5, fxsave->rdp);
P(6, 0xffff0000 | ds);
#undef P
- if (err)
- return -1;
+ if (err)
+ return -1;
to = &buf->_st[0];
from = (struct _fpxreg *) &fxsave->st_space[0];
- for ( i = 0 ; i < 8 ; i++, to++, from++ ) {
+ for (i = 0 ; i < 8 ; i++, to++, from++) {
if (__copy_to_user(to, from, sizeof(*to)))
return -1;
}
return 0;
}
-int restore_i387_ia32(struct task_struct *tsk, struct _fpstate_ia32 __user *buf, int fsave)
-{
+int restore_i387_ia32(struct task_struct *tsk, struct _fpstate_ia32 __user *buf, int fsave)
+{
clear_fpu(tsk);
- if (!fsave) {
- if (__copy_from_user(&tsk->thread.i387.fxsave,
+ if (!fsave) {
+ if (__copy_from_user(&tsk->thread.i387.fxsave,
&buf->_fxsr_env[0],
sizeof(struct i387_fxsave_struct)))
return -1;
tsk->thread.i387.fxsave.mxcsr &= mxcsr_feature_mask;
set_stopped_child_used_math(tsk);
- }
+ }
return convert_fxsr_from_user(&tsk->thread.i387.fxsave, buf);
-}
+}
-int save_i387_ia32(struct task_struct *tsk,
- struct _fpstate_ia32 __user *buf,
+int save_i387_ia32(struct task_struct *tsk,
+ struct _fpstate_ia32 __user *buf,
struct pt_regs *regs,
int fsave)
{
@@ -174,8 +174,8 @@ int save_i387_ia32(struct task_struct *tsk,
if (fsave)
return 0;
err |= __put_user(tsk->thread.i387.fxsave.swd, &buf->status);
- if (fsave)
- return err ? -1 : 1;
+ if (fsave)
+ return err ? -1 : 1;
err |= __put_user(X86_FXSR_MAGIC, &buf->magic);
err |= __copy_to_user(&buf->_fxsr_env[0], &tsk->thread.i387.fxsave,
sizeof(struct i387_fxsave_struct));
--
1.5.4.rc2.17.g257f
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists