Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/x86/math-emu/errors.c b/arch/x86/math-emu/errors.c
index 6b46851..73dc66d 100644
--- a/arch/x86/math-emu/errors.c
+++ b/arch/x86/math-emu/errors.c
@@ -178,13 +178,15 @@
for (i = 0; i < 8; i++) {
FPU_REG *r = &st(i);
u_char tagi = FPU_gettagi(i);
+
switch (tagi) {
case TAG_Empty:
continue;
- break;
case TAG_Zero:
case TAG_Special:
+ /* Update tagi for the printk below */
tagi = FPU_Special(r);
+ /* fall through */
case TAG_Valid:
printk("st(%d) %c .%04lx %04lx %04lx %04lx e%+-6d ", i,
getsign(r) ? '-' : '+',
@@ -198,7 +200,6 @@
printk("Whoops! Error in errors.c: tag%d is %d ", i,
tagi);
continue;
- break;
}
printk("%s\n", tag_desc[(int)(unsigned)tagi]);
}
diff --git a/arch/x86/math-emu/fpu_emu.h b/arch/x86/math-emu/fpu_emu.h
index a5a41ec..0c12222 100644
--- a/arch/x86/math-emu/fpu_emu.h
+++ b/arch/x86/math-emu/fpu_emu.h
@@ -177,7 +177,7 @@
#define setexponentpos(x,y) { (*(short *)&((x)->exp)) = \
((y) + EXTENDED_Ebias) & 0x7fff; }
#define exponent16(x) (*(short *)&((x)->exp))
-#define setexponent16(x,y) { (*(short *)&((x)->exp)) = (y); }
+#define setexponent16(x,y) { (*(short *)&((x)->exp)) = (u16)(y); }
#define addexponent(x,y) { (*(short *)&((x)->exp)) += (y); }
#define stdexp(x) { (*(short *)&((x)->exp)) += EXTENDED_Ebias; }
diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c
index 9e2ba7e..a873da6 100644
--- a/arch/x86/math-emu/fpu_entry.c
+++ b/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) {
diff --git a/arch/x86/math-emu/fpu_system.h b/arch/x86/math-emu/fpu_system.h
index c8b1b31..f98a0c9 100644
--- a/arch/x86/math-emu/fpu_system.h
+++ b/arch/x86/math-emu/fpu_system.h
@@ -104,7 +104,7 @@
#define instruction_address (*(struct address *)&I387->soft.fip)
#define operand_address (*(struct address *)&I387->soft.foo)
-#define FPU_access_ok(x,y,z) if ( !access_ok(x,y,z) ) \
+#define FPU_access_ok(y,z) if ( !access_ok(y,z) ) \
math_abort(FPU_info,SIGSEGV)
#define FPU_abort math_abort(FPU_info, SIGSEGV)
@@ -119,7 +119,7 @@
/* A simpler test than access_ok() can probably be done for
FPU_code_access_ok() because the only possible error is to step
past the upper boundary of a legal code area. */
-#define FPU_code_access_ok(z) FPU_access_ok(VERIFY_READ,(void __user *)FPU_EIP,z)
+#define FPU_code_access_ok(z) FPU_access_ok((void __user *)FPU_EIP,z)
#endif
#define FPU_get_user(x,y) get_user((x),(y))
diff --git a/arch/x86/math-emu/fpu_trig.c b/arch/x86/math-emu/fpu_trig.c
index 783c509..127ea54 100644
--- a/arch/x86/math-emu/fpu_trig.c
+++ b/arch/x86/math-emu/fpu_trig.c
@@ -1352,7 +1352,7 @@
case TW_Denormal:
if (denormal_operand() < 0)
return;
-
+ /* fall through */
case TAG_Zero:
case TAG_Valid:
setsign(st0_ptr, getsign(st0_ptr) ^ getsign(st1_ptr));
diff --git a/arch/x86/math-emu/load_store.c b/arch/x86/math-emu/load_store.c
index f821a9c..f15263e 100644
--- a/arch/x86/math-emu/load_store.c
+++ b/arch/x86/math-emu/load_store.c
@@ -251,7 +251,7 @@
break;
case 024: /* fldcw */
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, data_address, 2);
+ FPU_access_ok(data_address, 2);
FPU_get_user(control_word,
(unsigned short __user *)data_address);
RE_ENTRANT_CHECK_ON;
@@ -291,7 +291,7 @@
break;
case 034: /* fstcw m16int */
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, data_address, 2);
+ FPU_access_ok(data_address, 2);
FPU_put_user(control_word,
(unsigned short __user *)data_address);
RE_ENTRANT_CHECK_ON;
@@ -305,7 +305,7 @@
break;
case 036: /* fstsw m2byte */
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, data_address, 2);
+ FPU_access_ok(data_address, 2);
FPU_put_user(status_word(),
(unsigned short __user *)data_address);
RE_ENTRANT_CHECK_ON;
diff --git a/arch/x86/math-emu/reg_constant.c b/arch/x86/math-emu/reg_constant.c
index 8dc9095..742619e 100644
--- a/arch/x86/math-emu/reg_constant.c
+++ b/arch/x86/math-emu/reg_constant.c
@@ -18,7 +18,7 @@
#include "control_w.h"
#define MAKE_REG(s, e, l, h) { l, h, \
- ((EXTENDED_Ebias+(e)) | ((SIGN_##s != 0)*0x8000)) }
+ (u16)((EXTENDED_Ebias+(e)) | ((SIGN_##s != 0)*0x8000)) }
FPU_REG const CONST_1 = MAKE_REG(POS, 0, 0x00000000, 0x80000000);
#if 0
diff --git a/arch/x86/math-emu/reg_ld_str.c b/arch/x86/math-emu/reg_ld_str.c
index d40ff45..f377974 100644
--- a/arch/x86/math-emu/reg_ld_str.c
+++ b/arch/x86/math-emu/reg_ld_str.c
@@ -84,7 +84,7 @@
FPU_REG *sti_ptr = &st(stnr);
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, s, 10);
+ FPU_access_ok(s, 10);
__copy_from_user(sti_ptr, s, 10);
RE_ENTRANT_CHECK_ON;
@@ -98,7 +98,7 @@
unsigned m64, l64;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, dfloat, 8);
+ FPU_access_ok(dfloat, 8);
FPU_get_user(m64, 1 + (unsigned long __user *)dfloat);
FPU_get_user(l64, (unsigned long __user *)dfloat);
RE_ENTRANT_CHECK_ON;
@@ -159,7 +159,7 @@
int exp, tag, negative;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, single, 4);
+ FPU_access_ok(single, 4);
FPU_get_user(m32, (unsigned long __user *)single);
RE_ENTRANT_CHECK_ON;
@@ -214,7 +214,7 @@
FPU_REG *st0_ptr = &st(0);
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, _s, 8);
+ FPU_access_ok(_s, 8);
if (copy_from_user(&s, _s, 8))
FPU_abort;
RE_ENTRANT_CHECK_ON;
@@ -243,7 +243,7 @@
int negative;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, _s, 4);
+ FPU_access_ok(_s, 4);
FPU_get_user(s, _s);
RE_ENTRANT_CHECK_ON;
@@ -271,7 +271,7 @@
int s, negative;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, _s, 2);
+ FPU_access_ok(_s, 2);
/* Cast as short to get the sign extended. */
FPU_get_user(s, _s);
RE_ENTRANT_CHECK_ON;
@@ -304,7 +304,7 @@
int sign;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, s, 10);
+ FPU_access_ok(s, 10);
RE_ENTRANT_CHECK_ON;
for (pos = 8; pos >= 0; pos--) {
l *= 10;
@@ -345,7 +345,7 @@
if (st0_tag != TAG_Empty) {
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 10);
+ FPU_access_ok(d, 10);
FPU_put_user(st0_ptr->sigl, (unsigned long __user *)d);
FPU_put_user(st0_ptr->sigh,
@@ -364,7 +364,7 @@
/* The masked response */
/* Put out the QNaN indefinite */
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 10);
+ FPU_access_ok(d, 10);
FPU_put_user(0, (unsigned long __user *)d);
FPU_put_user(0xc0000000, 1 + (unsigned long __user *)d);
FPU_put_user(0xffff, 4 + (short __user *)d);
@@ -539,7 +539,7 @@
/* The masked response */
/* Put out the QNaN indefinite */
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, dfloat, 8);
+ FPU_access_ok(dfloat, 8);
FPU_put_user(0, (unsigned long __user *)dfloat);
FPU_put_user(0xfff80000,
1 + (unsigned long __user *)dfloat);
@@ -552,7 +552,7 @@
l[1] |= 0x80000000;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, dfloat, 8);
+ FPU_access_ok(dfloat, 8);
FPU_put_user(l[0], (unsigned long __user *)dfloat);
FPU_put_user(l[1], 1 + (unsigned long __user *)dfloat);
RE_ENTRANT_CHECK_ON;
@@ -724,7 +724,7 @@
/* The masked response */
/* Put out the QNaN indefinite */
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, single, 4);
+ FPU_access_ok(single, 4);
FPU_put_user(0xffc00000,
(unsigned long __user *)single);
RE_ENTRANT_CHECK_ON;
@@ -742,7 +742,7 @@
templ |= 0x80000000;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, single, 4);
+ FPU_access_ok(single, 4);
FPU_put_user(templ, (unsigned long __user *)single);
RE_ENTRANT_CHECK_ON;
@@ -791,7 +791,7 @@
}
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 8);
+ FPU_access_ok(d, 8);
if (copy_to_user(d, &tll, 8))
FPU_abort;
RE_ENTRANT_CHECK_ON;
@@ -838,7 +838,7 @@
}
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 4);
+ FPU_access_ok(d, 4);
FPU_put_user(t.sigl, (unsigned long __user *)d);
RE_ENTRANT_CHECK_ON;
@@ -884,7 +884,7 @@
}
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 2);
+ FPU_access_ok(d, 2);
FPU_put_user((short)t.sigl, d);
RE_ENTRANT_CHECK_ON;
@@ -925,7 +925,7 @@
if (control_word & CW_Invalid) {
/* Produce the QNaN "indefinite" */
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 10);
+ FPU_access_ok(d, 10);
for (i = 0; i < 7; i++)
FPU_put_user(0, d + i); /* These bytes "undefined" */
FPU_put_user(0xc0, d + 7); /* This byte "undefined" */
@@ -941,7 +941,7 @@
}
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 10);
+ FPU_access_ok(d, 10);
RE_ENTRANT_CHECK_ON;
for (i = 0; i < 9; i++) {
b = FPU_div_small(&ll, 10);
@@ -1034,7 +1034,7 @@
((addr_modes.default_mode == PM16)
^ (addr_modes.override.operand_size == OP_SIZE_PREFIX))) {
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, s, 0x0e);
+ FPU_access_ok(s, 0x0e);
FPU_get_user(control_word, (unsigned short __user *)s);
FPU_get_user(partial_status, (unsigned short __user *)(s + 2));
FPU_get_user(tag_word, (unsigned short __user *)(s + 4));
@@ -1056,7 +1056,7 @@
}
} else {
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, s, 0x1c);
+ FPU_access_ok(s, 0x1c);
FPU_get_user(control_word, (unsigned short __user *)s);
FPU_get_user(partial_status, (unsigned short __user *)(s + 4));
FPU_get_user(tag_word, (unsigned short __user *)(s + 8));
@@ -1125,7 +1125,7 @@
/* Copy all registers in stack order. */
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, s, 80);
+ FPU_access_ok(s, 80);
__copy_from_user(register_base + offset, s, other);
if (offset)
__copy_from_user(register_base, s + other, offset);
@@ -1146,7 +1146,7 @@
((addr_modes.default_mode == PM16)
^ (addr_modes.override.operand_size == OP_SIZE_PREFIX))) {
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 14);
+ FPU_access_ok(d, 14);
#ifdef PECULIAR_486
FPU_put_user(control_word & ~0xe080, (unsigned long __user *)d);
#else
@@ -1174,7 +1174,7 @@
d += 0x0e;
} else {
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 7 * 4);
+ FPU_access_ok(d, 7 * 4);
#ifdef PECULIAR_486
control_word &= ~0xe080;
/* An 80486 sets nearly all of the reserved bits to 1. */
@@ -1204,7 +1204,7 @@
d = fstenv(addr_modes, data_address);
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 80);
+ FPU_access_ok(d, 80);
/* Copy all registers in stack order. */
if (__copy_to_user(d, register_base + offset, other))