Merge branch '3.16-fixes' into mips-for-linux-next
This commit is contained in:
commit
475d5928b7
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@ -59,7 +59,7 @@ struct platform_device jz4740_usb_ohci_device = {
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/* USB Device Controller */
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struct platform_device jz4740_udc_xceiv_device = {
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.name = "usb_phy_gen_xceiv",
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.name = "usb_phy_generic",
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.id = 0,
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};
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@ -63,7 +63,7 @@ static inline int in_kernel_space(unsigned long ip)
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((unsigned int)(JAL | (((addr) >> 2) & ADDR_MASK)))
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static unsigned int insn_jal_ftrace_caller __read_mostly;
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static unsigned int insn_lui_v1_hi16_mcount __read_mostly;
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static unsigned int insn_la_mcount[2] __read_mostly;
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static unsigned int insn_j_ftrace_graph_caller __maybe_unused __read_mostly;
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static inline void ftrace_dyn_arch_init_insns(void)
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@ -71,10 +71,10 @@ static inline void ftrace_dyn_arch_init_insns(void)
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u32 *buf;
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unsigned int v1;
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/* lui v1, hi16_mcount */
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/* la v1, _mcount */
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v1 = 3;
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buf = (u32 *)&insn_lui_v1_hi16_mcount;
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UASM_i_LA_mostly(&buf, v1, MCOUNT_ADDR);
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buf = (u32 *)&insn_la_mcount[0];
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UASM_i_LA(&buf, v1, MCOUNT_ADDR);
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/* jal (ftrace_caller + 8), jump over the first two instruction */
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buf = (u32 *)&insn_jal_ftrace_caller;
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@ -111,14 +111,47 @@ static int ftrace_modify_code_2(unsigned long ip, unsigned int new_code1,
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unsigned int new_code2)
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{
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int faulted;
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mm_segment_t old_fs;
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safe_store_code(new_code1, ip, faulted);
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if (unlikely(faulted))
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return -EFAULT;
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safe_store_code(new_code2, ip + 4, faulted);
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ip += 4;
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safe_store_code(new_code2, ip, faulted);
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if (unlikely(faulted))
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return -EFAULT;
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ip -= 4;
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old_fs = get_fs();
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set_fs(get_ds());
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flush_icache_range(ip, ip + 8);
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set_fs(old_fs);
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return 0;
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}
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static int ftrace_modify_code_2r(unsigned long ip, unsigned int new_code1,
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unsigned int new_code2)
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{
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int faulted;
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mm_segment_t old_fs;
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ip += 4;
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safe_store_code(new_code2, ip, faulted);
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if (unlikely(faulted))
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return -EFAULT;
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ip -= 4;
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safe_store_code(new_code1, ip, faulted);
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if (unlikely(faulted))
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return -EFAULT;
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old_fs = get_fs();
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set_fs(get_ds());
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flush_icache_range(ip, ip + 8);
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set_fs(old_fs);
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return 0;
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}
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#endif
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@ -130,13 +163,14 @@ static int ftrace_modify_code_2(unsigned long ip, unsigned int new_code1,
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*
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* move at, ra
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* jal _mcount --> nop
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* sub sp, sp, 8 --> nop (CONFIG_32BIT)
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*
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* 2. For modules:
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*
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* 2.1 For KBUILD_MCOUNT_RA_ADDRESS and CONFIG_32BIT
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*
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* lui v1, hi_16bit_of_mcount --> b 1f (0x10000005)
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* addiu v1, v1, low_16bit_of_mcount
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* addiu v1, v1, low_16bit_of_mcount --> nop (CONFIG_32BIT)
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* move at, ra
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* move $12, ra_address
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* jalr v1
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@ -145,7 +179,7 @@ static int ftrace_modify_code_2(unsigned long ip, unsigned int new_code1,
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* 2.2 For the Other situations
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*
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* lui v1, hi_16bit_of_mcount --> b 1f (0x10000004)
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* addiu v1, v1, low_16bit_of_mcount
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* addiu v1, v1, low_16bit_of_mcount --> nop (CONFIG_32BIT)
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* move at, ra
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* jalr v1
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* nop | move $12, ra_address | sub sp, sp, 8
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@ -184,10 +218,14 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
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unsigned int new;
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unsigned long ip = rec->ip;
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new = in_kernel_space(ip) ? insn_jal_ftrace_caller :
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insn_lui_v1_hi16_mcount;
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new = in_kernel_space(ip) ? insn_jal_ftrace_caller : insn_la_mcount[0];
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#ifdef CONFIG_64BIT
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return ftrace_modify_code(ip, new);
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#else
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return ftrace_modify_code_2r(ip, new, in_kernel_space(ip) ?
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INSN_NOP : insn_la_mcount[1]);
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#endif
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}
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#define FTRACE_CALL_IP ((unsigned long)(&ftrace_call))
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@ -84,6 +84,19 @@ _mcount:
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#endif
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PTR_SUBU a0, ra, 8 /* arg1: self address */
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PTR_LA t1, _stext
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sltu t2, a0, t1 /* t2 = (a0 < _stext) */
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PTR_LA t1, _etext
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sltu t3, t1, a0 /* t3 = (a0 > _etext) */
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or t1, t2, t3
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beqz t1, ftrace_call
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nop
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#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT)
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PTR_SUBU a0, a0, 16 /* arg1: adjust to module's recorded callsite */
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#else
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PTR_SUBU a0, a0, 12
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#endif
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.globl ftrace_call
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ftrace_call:
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nop /* a placeholder for the call to a real tracing function */
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@ -150,6 +150,7 @@ int ptrace_setfpregs(struct task_struct *child, __u32 __user *data)
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}
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__get_user(child->thread.fpu.fcr31, data + 64);
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child->thread.fpu.fcr31 &= ~FPU_CSR_ALL_X;
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/* FIR may not be written. */
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@ -695,7 +696,7 @@ long arch_ptrace(struct task_struct *child, long request,
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break;
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#endif
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case FPC_CSR:
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child->thread.fpu.fcr31 = data;
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child->thread.fpu.fcr31 = data & ~FPU_CSR_ALL_X;
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break;
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case DSP_BASE ... DSP_BASE + 5: {
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dspreg_t *dregs;
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@ -77,6 +77,9 @@ int __init rtlx_module_init(void)
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dev = device_create(mt_class, NULL, MKDEV(major, i), NULL,
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"%s%d", RTLX_MODULE_NAME, i);
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if (IS_ERR(dev)) {
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while (i--)
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device_destroy(mt_class, MKDEV(major, i));
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err = PTR_ERR(dev);
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goto out_chrdev;
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}
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@ -103,6 +103,9 @@ int __init rtlx_module_init(void)
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dev = device_create(mt_class, NULL, MKDEV(major, i), NULL,
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"%s%d", RTLX_MODULE_NAME, i);
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if (IS_ERR(dev)) {
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while (i--)
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device_destroy(mt_class, MKDEV(major, i));
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err = PTR_ERR(dev);
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goto out_chrdev;
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}
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@ -162,7 +162,7 @@ EXPORT(sysn32_call_table)
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PTR sys_getpeername
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PTR sys_socketpair
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PTR compat_sys_setsockopt
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PTR sys_getsockopt
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PTR compat_sys_getsockopt
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PTR __sys_clone /* 6055 */
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PTR __sys_fork
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PTR compat_sys_execve
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@ -288,6 +288,7 @@ struct plat_smp_ops vsmp_smp_ops = {
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.prepare_cpus = vsmp_prepare_cpus,
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};
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#ifdef CONFIG_PROC_FS
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static int proc_cpuinfo_chain_call(struct notifier_block *nfb,
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unsigned long action_unused, void *data)
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{
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@ -309,3 +310,4 @@ static int __init proc_cpuinfo_notifier_init(void)
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}
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subsys_initcall(proc_cpuinfo_notifier_init);
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#endif
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@ -690,7 +690,6 @@ static void emulate_load_store_insn(struct pt_regs *regs,
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case sdc1_op:
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die_if_kernel("Unaligned FP access in kernel code", regs);
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BUG_ON(!used_math());
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BUG_ON(!is_fpu_owner());
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lose_fpu(1); /* Save FPU state for the emulator. */
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res = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 1,
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@ -1827,7 +1827,7 @@ dcopuop:
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case -1:
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if (cpu_has_mips_4_5_r)
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cbit = fpucondbit[MIPSInst_RT(ir) >> 2];
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cbit = fpucondbit[MIPSInst_FD(ir) >> 2];
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else
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cbit = FPU_CSR_COND;
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if (rv.w)
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@ -429,6 +429,7 @@ static void build_r3000_tlb_refill_handler(void)
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(unsigned int)(p - tlb_handler));
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memcpy((void *)ebase, tlb_handler, 0x80);
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local_flush_icache_range(ebase, ebase + 0x80);
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dump_handler("r3000_tlb_refill", (u32 *)ebase, 32);
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}
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@ -1299,6 +1300,7 @@ static void build_r4000_tlb_refill_handler(void)
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}
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#ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
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uasm_l_tlb_huge_update(&l, p);
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UASM_i_LW(&p, K0, 0, K1);
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build_huge_update_entries(&p, htlb_info.huge_pte, K1);
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build_huge_tlb_write_entry(&p, &l, &r, K0, tlb_random,
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htlb_info.restore_scratch);
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@ -1415,6 +1417,7 @@ static void build_r4000_tlb_refill_handler(void)
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final_len);
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memcpy((void *)ebase, final_handler, 0x100);
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local_flush_icache_range(ebase, ebase + 0x100);
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dump_handler("r4000_tlb_refill", (u32 *)ebase, 64);
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}
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@ -223,6 +223,7 @@ static struct platform_device rb532_wdt = {
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static struct plat_serial8250_port rb532_uart_res[] = {
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{
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.type = PORT_16550A,
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.membase = (char *)KSEG1ADDR(REGBASE + UART0BASE),
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.irq = UART0_IRQ,
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.regshift = 2,
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@ -27,8 +27,14 @@ static struct {
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{ .name = "SGI GR2/GR3", .id = 0x7f },
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};
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static void gio_bus_release(struct device *dev)
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{
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kfree(dev);
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}
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static struct device gio_bus = {
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.init_name = "gio",
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.release = &gio_bus_release,
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};
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/**
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@ -413,8 +419,10 @@ int __init ip22_gio_init(void)
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int ret;
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ret = device_register(&gio_bus);
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if (ret)
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if (ret) {
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put_device(&gio_bus);
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return ret;
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}
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ret = bus_register(&gio_bus_type);
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if (!ret) {
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@ -83,6 +83,11 @@ static struct bus_type tx_7segled_subsys = {
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.dev_name = "7segled",
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};
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static void tx_7segled_release(struct device *dev)
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{
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kfree(dev);
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}
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static int __init tx_7segled_init_sysfs(void)
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{
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int error, i;
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@ -103,11 +108,14 @@ static int __init tx_7segled_init_sysfs(void)
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}
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dev->id = i;
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dev->bus = &tx_7segled_subsys;
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dev->release = &tx_7segled_release;
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error = device_register(dev);
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if (!error) {
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device_create_file(dev, &dev_attr_ascii);
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device_create_file(dev, &dev_attr_raw);
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if (error) {
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put_device(dev);
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return error;
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}
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device_create_file(dev, &dev_attr_ascii);
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device_create_file(dev, &dev_attr_raw);
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}
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return error;
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}
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@ -937,6 +937,14 @@ static ssize_t txx9_sram_write(struct file *filp, struct kobject *kobj,
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return size;
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}
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static void txx9_device_release(struct device *dev)
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{
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struct txx9_sramc_dev *tdev;
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tdev = container_of(dev, struct txx9_sramc_dev, dev);
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kfree(tdev);
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}
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void __init txx9_sramc_init(struct resource *r)
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{
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struct txx9_sramc_dev *dev;
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@ -951,8 +959,11 @@ void __init txx9_sramc_init(struct resource *r)
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return;
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size = resource_size(r);
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dev->base = ioremap(r->start, size);
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if (!dev->base)
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goto exit;
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if (!dev->base) {
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kfree(dev);
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return;
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}
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dev->dev.release = &txx9_device_release;
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dev->dev.bus = &txx9_sramc_subsys;
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sysfs_bin_attr_init(&dev->bindata_attr);
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dev->bindata_attr.attr.name = "bindata";
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@ -963,17 +974,15 @@ void __init txx9_sramc_init(struct resource *r)
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dev->bindata_attr.private = dev;
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err = device_register(&dev->dev);
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if (err)
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goto exit;
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goto exit_put;
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err = sysfs_create_bin_file(&dev->dev.kobj, &dev->bindata_attr);
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if (err) {
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device_unregister(&dev->dev);
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goto exit;
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}
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return;
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exit:
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if (dev) {
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if (dev->base)
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iounmap(dev->base);
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iounmap(dev->base);
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kfree(dev);
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}
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return;
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exit_put:
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put_device(&dev->dev);
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||||
return;
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||||
}
|
||||
|
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