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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

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* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  powerpc: pseries/dtl.c should include asm/firmware.h
  powerpc: Fix data-corrupting bug in __futex_atomic_op
  powerpc/pseries: Set error_state to pci_channel_io_normal in eeh_report_reset()
  powerpc: Allow 256kB pages with SHMEM
  powerpc: Document new FSL I2C bindings and cleanup
  powerpc/mm: Fix compile warning
  powerpc/85xx: TQM8548: update defconfig
  powerpc/85xx: TQM8548: use proper phy-handles for enet2 and enet3
  powerpc/85xx: TQM85xx: correct address of LM75 I2C device nodes
  powerpc: Add support for early tlbilx opcode
  powerpc: Fix tlbilx opcode
This commit is contained in:
Linus Torvalds
2009-04-15 08:42:40 -07:00
parent ea34f43a07 b71a0c296c
commit a23c218bd3
18 changed files with 135 additions and 162 deletions
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12
arch/powerpc/include/asm/futex.h
View File

@@ -27,7 +27,7 @@
PPC_LONG "1b,4b,2b,4b\n" \
".previous" \
: "=&r" (oldval), "=&r" (ret) \
: "b" (uaddr), "i" (-EFAULT), "1" (oparg) \
: "b" (uaddr), "i" (-EFAULT), "r" (oparg) \
: "cr0", "memory")
static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
@@ -47,19 +47,19 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
switch (op) {
case FUTEX_OP_SET:
__futex_atomic_op("", ret, oldval, uaddr, oparg);
__futex_atomic_op("mr %1,%4\n", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_ADD:
__futex_atomic_op("add %1,%0,%1\n", ret, oldval, uaddr, oparg);
__futex_atomic_op("add %1,%0,%4\n", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_OR:
__futex_atomic_op("or %1,%0,%1\n", ret, oldval, uaddr, oparg);
__futex_atomic_op("or %1,%0,%4\n", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_ANDN:
__futex_atomic_op("andc %1,%0,%1\n", ret, oldval, uaddr, oparg);
__futex_atomic_op("andc %1,%0,%4\n", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_XOR:
__futex_atomic_op("xor %1,%0,%1\n", ret, oldval, uaddr, oparg);
__futex_atomic_op("xor %1,%0,%4\n", ret, oldval, uaddr, oparg);
break;
default:
ret = -ENOSYS;

6
arch/powerpc/include/asm/mmu.h
View File

@@ -52,6 +52,12 @@
*/
#define MMU_FTR_NEED_DTLB_SW_LRU ASM_CONST(0x00200000)
/* This indicates that the processor uses the wrong opcode for tlbilx
* instructions. During the ISA 2.06 development the opcode for tlbilx
* changed and some early implementations used to old opcode
*/
#define MMU_FTR_TLBILX_EARLY_OPCODE ASM_CONST(0x00400000)
#ifndef __ASSEMBLY__
#include <asm/cputable.h>

13
arch/powerpc/include/asm/ppc-opcode.h
View File

@@ -43,7 +43,8 @@
#define PPC_INST_STSWI 0x7c0005aa
#define PPC_INST_STSWX 0x7c00052a
#define PPC_INST_TLBILX 0x7c000626
#define PPC_INST_TLBILX 0x7c000024
#define PPC_INST_TLBILX_EARLY 0x7c000626
#define PPC_INST_WAIT 0x7c00007c
/* macros to insert fields into opcodes */
@@ -63,10 +64,18 @@
#define PPC_RFDI stringify_in_c(.long PPC_INST_RFDI)
#define PPC_RFMCI stringify_in_c(.long PPC_INST_RFMCI)
#define PPC_TLBILX(t, a, b) stringify_in_c(.long PPC_INST_TLBILX | \
__PPC_T_TLB(t) | __PPC_RA(a) | __PPC_RB(b))
__PPC_T_TLB(t) | \
__PPC_RA(a) | __PPC_RB(b))
#define PPC_TLBILX_ALL(a, b) PPC_TLBILX(0, a, b)
#define PPC_TLBILX_PID(a, b) PPC_TLBILX(1, a, b)
#define PPC_TLBILX_VA(a, b) PPC_TLBILX(3, a, b)
#define PPC_TLBILX_EARLY(t, a, b) stringify_in_c(.long PPC_INST_TLBILX_EARLY | \
__PPC_T_TLB(t) | \
__PPC_RA(a) | __PPC_RB(b))
#define PPC_TLBILX_ALL_EARLY(a, b) PPC_TLBILX_EARLY(0, a, b)
#define PPC_TLBILX_PID_EARLY(a, b) PPC_TLBILX_EARLY(1, a, b)
#define PPC_TLBILX_VA_EARLY(a, b) PPC_TLBILX_EARLY(3, a, b)
#define PPC_WAIT(w) stringify_in_c(.long PPC_INST_WAIT | \
__PPC_WC(w))