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-rw-r--r--arch/tile/kernel/compat_signal.c66
-rw-r--r--arch/tile/kernel/pci.c34
-rw-r--r--arch/tile/kernel/pci_gx.c8
-rw-r--r--arch/tile/kernel/process.c11
-rw-r--r--arch/tile/kernel/signal.c12
5 files changed, 15 insertions, 116 deletions
diff --git a/arch/tile/kernel/compat_signal.c b/arch/tile/kernel/compat_signal.c
index 474571b8408..08b4fe1717b 100644
--- a/arch/tile/kernel/compat_signal.c
+++ b/arch/tile/kernel/compat_signal.c
@@ -55,63 +55,6 @@ struct compat_ucontext {
sigset_t uc_sigmask; /* mask last for extensibility */
};
-#define COMPAT_SI_PAD_SIZE ((SI_MAX_SIZE - 3 * sizeof(int)) / sizeof(int))
-
-struct compat_siginfo {
- int si_signo;
- int si_errno;
- int si_code;
-
- union {
- int _pad[COMPAT_SI_PAD_SIZE];
-
- /* kill() */
- struct {
- unsigned int _pid; /* sender's pid */
- unsigned int _uid; /* sender's uid */
- } _kill;
-
- /* POSIX.1b timers */
- struct {
- compat_timer_t _tid; /* timer id */
- int _overrun; /* overrun count */
- compat_sigval_t _sigval; /* same as below */
- int _sys_private; /* not to be passed to user */
- int _overrun_incr; /* amount to add to overrun */
- } _timer;
-
- /* POSIX.1b signals */
- struct {
- unsigned int _pid; /* sender's pid */
- unsigned int _uid; /* sender's uid */
- compat_sigval_t _sigval;
- } _rt;
-
- /* SIGCHLD */
- struct {
- unsigned int _pid; /* which child */
- unsigned int _uid; /* sender's uid */
- int _status; /* exit code */
- compat_clock_t _utime;
- compat_clock_t _stime;
- } _sigchld;
-
- /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
- struct {
- unsigned int _addr; /* faulting insn/memory ref. */
-#ifdef __ARCH_SI_TRAPNO
- int _trapno; /* TRAP # which caused the signal */
-#endif
- } _sigfault;
-
- /* SIGPOLL */
- struct {
- int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
- int _fd;
- } _sigpoll;
- } _sifields;
-};
-
struct compat_rt_sigframe {
unsigned char save_area[C_ABI_SAVE_AREA_SIZE]; /* caller save area */
struct compat_siginfo info;
@@ -411,15 +354,6 @@ int compat_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
regs->regs[1] = ptr_to_compat_reg(&frame->info);
regs->regs[2] = ptr_to_compat_reg(&frame->uc);
regs->flags |= PT_FLAGS_CALLER_SAVES;
-
- /*
- * Notify any tracer that was single-stepping it.
- * The tracer may want to single-step inside the
- * handler too.
- */
- if (test_thread_flag(TIF_SINGLESTEP))
- ptrace_notify(SIGTRAP);
-
return 0;
give_sigsegv:
diff --git a/arch/tile/kernel/pci.c b/arch/tile/kernel/pci.c
index 33c10864d2f..759822687e8 100644
--- a/arch/tile/kernel/pci.c
+++ b/arch/tile/kernel/pci.c
@@ -246,16 +246,13 @@ static void __devinit fixup_read_and_payload_sizes(void)
/* Scan for the smallest maximum payload size. */
while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
- int pcie_caps_offset;
u32 devcap;
int max_payload;
- pcie_caps_offset = pci_find_capability(dev, PCI_CAP_ID_EXP);
- if (pcie_caps_offset == 0)
+ if (!pci_is_pcie(dev))
continue;
- pci_read_config_dword(dev, pcie_caps_offset + PCI_EXP_DEVCAP,
- &devcap);
+ pcie_capability_read_dword(dev, PCI_EXP_DEVCAP, &devcap);
max_payload = devcap & PCI_EXP_DEVCAP_PAYLOAD;
if (max_payload < smallest_max_payload)
smallest_max_payload = max_payload;
@@ -263,21 +260,10 @@ static void __devinit fixup_read_and_payload_sizes(void)
/* Now, set the max_payload_size for all devices to that value. */
new_values = (max_read_size << 12) | (smallest_max_payload << 5);
- while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
- int pcie_caps_offset;
- u16 devctl;
-
- pcie_caps_offset = pci_find_capability(dev, PCI_CAP_ID_EXP);
- if (pcie_caps_offset == 0)
- continue;
-
- pci_read_config_word(dev, pcie_caps_offset + PCI_EXP_DEVCTL,
- &devctl);
- devctl &= ~(PCI_EXP_DEVCTL_PAYLOAD | PCI_EXP_DEVCTL_READRQ);
- devctl |= new_values;
- pci_write_config_word(dev, pcie_caps_offset + PCI_EXP_DEVCTL,
- devctl);
- }
+ while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL)
+ pcie_capability_clear_and_set_word(dev, PCI_EXP_DEVCTL,
+ PCI_EXP_DEVCTL_PAYLOAD | PCI_EXP_DEVCTL_READRQ,
+ new_values);
}
@@ -404,14 +390,6 @@ void pcibios_set_master(struct pci_dev *dev)
}
/*
- * This is called from the generic Linux layer.
- */
-void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
-{
- pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
-}
-
-/*
* Enable memory and/or address decoding, as appropriate, for the
* device described by the 'dev' struct.
*
diff --git a/arch/tile/kernel/pci_gx.c b/arch/tile/kernel/pci_gx.c
index 0e213e35ffc..2ba6d052f85 100644
--- a/arch/tile/kernel/pci_gx.c
+++ b/arch/tile/kernel/pci_gx.c
@@ -1034,14 +1034,6 @@ char __devinit *pcibios_setup(char *str)
}
/*
- * This is called from the generic Linux layer.
- */
-void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
-{
- pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
-}
-
-/*
* Enable memory address decoding, as appropriate, for the
* device described by the 'dev' struct. The I/O decoding
* is disabled, though the TILE-Gx supports I/O addressing.
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c
index 6be79915050..307d010696c 100644
--- a/arch/tile/kernel/process.c
+++ b/arch/tile/kernel/process.c
@@ -548,6 +548,9 @@ int do_work_pending(struct pt_regs *regs, u32 thread_info_flags)
if (!user_mode(regs))
return 0;
+ /* Enable interrupts; they are disabled again on return to caller. */
+ local_irq_enable();
+
if (thread_info_flags & _TIF_NEED_RESCHED) {
schedule();
return 1;
@@ -594,13 +597,13 @@ SYSCALL_DEFINE4(execve, const char __user *, path,
struct pt_regs *, regs)
{
long error;
- char *filename;
+ struct filename *filename;
filename = getname(path);
error = PTR_ERR(filename);
if (IS_ERR(filename))
goto out;
- error = do_execve(filename, argv, envp, regs);
+ error = do_execve(filename->name, argv, envp, regs);
putname(filename);
if (error == 0)
single_step_execve();
@@ -615,13 +618,13 @@ long compat_sys_execve(const char __user *path,
struct pt_regs *regs)
{
long error;
- char *filename;
+ struct filename *filename;
filename = getname(path);
error = PTR_ERR(filename);
if (IS_ERR(filename))
goto out;
- error = compat_do_execve(filename, argv, envp, regs);
+ error = compat_do_execve(filename->name, argv, envp, regs);
putname(filename);
if (error == 0)
single_step_execve();
diff --git a/arch/tile/kernel/signal.c b/arch/tile/kernel/signal.c
index e29b0553211..67efb656d10 100644
--- a/arch/tile/kernel/signal.c
+++ b/arch/tile/kernel/signal.c
@@ -219,15 +219,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
regs->regs[1] = (unsigned long) &frame->info;
regs->regs[2] = (unsigned long) &frame->uc;
regs->flags |= PT_FLAGS_CALLER_SAVES;
-
- /*
- * Notify any tracer that was single-stepping it.
- * The tracer may want to single-step inside the
- * handler too.
- */
- if (test_thread_flag(TIF_SINGLESTEP))
- ptrace_notify(SIGTRAP);
-
return 0;
give_sigsegv:
@@ -278,7 +269,8 @@ static void handle_signal(unsigned long sig, siginfo_t *info,
ret = setup_rt_frame(sig, ka, info, oldset, regs);
if (ret)
return;
- signal_delivered(sig, info, ka, regs, 0);
+ signal_delivered(sig, info, ka, regs,
+ test_thread_flag(TIF_SINGLESTEP));
}
/*
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-04-12 09:13:23 +0000