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authorLinus Torvalds <torvalds@linux-foundation.org>2018-02-02 13:46:21 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-02-02 13:46:21 -0800
commitb89e32ccd1be92a3643df3908d3026b09e271616 (patch)
tree5620ddd276041f34bd8f33464f0e2e6b75e12009 /arch/alpha
parent03f51d4efa2287cc628bb20b0c032036d2a9e66a (diff)
parent21ffceda1c8b3807615c40d440d7815e0c85d366 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha
Pull alpha updates from Matt Turner: "A few small fixes and clean ups" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha: alpha: fix crash if pthread_create races with signal delivery alpha: fix formating of stack content alpha: fix reboot on Avanti platform alpha: deprecate pci_get_bus_and_slot() alpha: Fix mixed up args in EXC macro in futex operations alpha: osf_sys.c: use timespec64 where appropriate alpha: osf_sys.c: fix put_tv32 regression alpha: make thread_saved_pc static alpha: make XTABS equivalent to TAB3
Diffstat (limited to 'arch/alpha')
-rw-r--r--arch/alpha/include/asm/futex.h8
-rw-r--r--arch/alpha/include/asm/processor.h5
-rw-r--r--arch/alpha/include/uapi/asm/termbits.h6
-rw-r--r--arch/alpha/kernel/pci.c2
-rw-r--r--arch/alpha/kernel/pci_impl.h3
-rw-r--r--arch/alpha/kernel/process.c5
-rw-r--r--arch/alpha/kernel/sys_nautilus.c2
-rw-r--r--arch/alpha/kernel/traps.c13
8 files changed, 26 insertions, 18 deletions
diff --git a/arch/alpha/include/asm/futex.h b/arch/alpha/include/asm/futex.h
index d2e4da93e68c..ca3322536f72 100644
--- a/arch/alpha/include/asm/futex.h
+++ b/arch/alpha/include/asm/futex.h
@@ -20,8 +20,8 @@
"3: .subsection 2\n" \
"4: br 1b\n" \
" .previous\n" \
- EXC(1b,3b,%1,$31) \
- EXC(2b,3b,%1,$31) \
+ EXC(1b,3b,$31,%1) \
+ EXC(2b,3b,$31,%1) \
: "=&r" (oldval), "=&r"(ret) \
: "r" (uaddr), "r"(oparg) \
: "memory")
@@ -82,8 +82,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
"3: .subsection 2\n"
"4: br 1b\n"
" .previous\n"
- EXC(1b,3b,%0,$31)
- EXC(2b,3b,%0,$31)
+ EXC(1b,3b,$31,%0)
+ EXC(2b,3b,$31,%0)
: "+r"(ret), "=&r"(prev), "=&r"(cmp)
: "r"(uaddr), "r"((long)(int)oldval), "r"(newval)
: "memory");
diff --git a/arch/alpha/include/asm/processor.h b/arch/alpha/include/asm/processor.h
index bfe784f2d4af..cb05d045efe3 100644
--- a/arch/alpha/include/asm/processor.h
+++ b/arch/alpha/include/asm/processor.h
@@ -40,15 +40,12 @@ typedef struct {
struct thread_struct { };
#define INIT_THREAD { }
-/* Return saved PC of a blocked thread. */
-struct task_struct;
-extern unsigned long thread_saved_pc(struct task_struct *);
-
/* Do necessary setup to start up a newly executed thread. */
struct pt_regs;
extern void start_thread(struct pt_regs *, unsigned long, unsigned long);
/* Free all resources held by a thread. */
+struct task_struct;
extern void release_thread(struct task_struct *);
unsigned long get_wchan(struct task_struct *p);
diff --git a/arch/alpha/include/uapi/asm/termbits.h b/arch/alpha/include/uapi/asm/termbits.h
index 05e0398a83a6..de6c8360fbe3 100644
--- a/arch/alpha/include/uapi/asm/termbits.h
+++ b/arch/alpha/include/uapi/asm/termbits.h
@@ -110,7 +110,11 @@ struct ktermios {
#define VTDLY 00200000
#define VT0 00000000
#define VT1 00200000
-#define XTABS 01000000 /* Hmm.. Linux/i386 considers this part of TABDLY.. */
+/*
+ * Should be equivalent to TAB3, see description of TAB3 in
+ * POSIX.1-2008, Ch. 11.2.3 "Output Modes"
+ */
+#define XTABS TAB3
/* c_cflag bit meaning */
#define CBAUD 0000037
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index 87da00579946..2e86ebb680ae 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -425,7 +425,7 @@ sys_pciconfig_iobase(long which, unsigned long bus, unsigned long dfn)
if (bus == 0 && dfn == 0) {
hose = pci_isa_hose;
} else {
- dev = pci_get_bus_and_slot(bus, dfn);
+ dev = pci_get_domain_bus_and_slot(0, bus, dfn);
if (!dev)
return -ENODEV;
hose = dev->sysdata;
diff --git a/arch/alpha/kernel/pci_impl.h b/arch/alpha/kernel/pci_impl.h
index 2e4cb74fdc41..18043af45e2b 100644
--- a/arch/alpha/kernel/pci_impl.h
+++ b/arch/alpha/kernel/pci_impl.h
@@ -144,7 +144,8 @@ struct pci_iommu_arena
};
#if defined(CONFIG_ALPHA_SRM) && \
- (defined(CONFIG_ALPHA_CIA) || defined(CONFIG_ALPHA_LCA))
+ (defined(CONFIG_ALPHA_CIA) || defined(CONFIG_ALPHA_LCA) || \
+ defined(CONFIG_ALPHA_AVANTI))
# define NEED_SRM_SAVE_RESTORE
#else
# undef NEED_SRM_SAVE_RESTORE
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 74bfb1f2d68e..48b81d015d8a 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -269,12 +269,13 @@ copy_thread(unsigned long clone_flags, unsigned long usp,
application calling fork. */
if (clone_flags & CLONE_SETTLS)
childti->pcb.unique = regs->r20;
+ else
+ regs->r20 = 0; /* OSF/1 has some strange fork() semantics. */
childti->pcb.usp = usp ?: rdusp();
*childregs = *regs;
childregs->r0 = 0;
childregs->r19 = 0;
childregs->r20 = 1; /* OSF/1 has some strange fork() semantics. */
- regs->r20 = 0;
stack = ((struct switch_stack *) regs) - 1;
*childstack = *stack;
childstack->r26 = (unsigned long) ret_from_fork;
@@ -361,7 +362,7 @@ EXPORT_SYMBOL(dump_elf_task_fp);
* all. -- r~
*/
-unsigned long
+static unsigned long
thread_saved_pc(struct task_struct *t)
{
unsigned long base = (unsigned long)task_stack_page(t);
diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c
index 239dc0e601d5..ff4f54b86c7f 100644
--- a/arch/alpha/kernel/sys_nautilus.c
+++ b/arch/alpha/kernel/sys_nautilus.c
@@ -237,7 +237,7 @@ nautilus_init_pci(void)
bus = hose->bus = bridge->bus;
pcibios_claim_one_bus(bus);
- irongate = pci_get_bus_and_slot(0, 0);
+ irongate = pci_get_domain_bus_and_slot(pci_domain_nr(bus), 0, 0);
bus->self = irongate;
bus->resource[0] = &irongate_io;
bus->resource[1] = &irongate_mem;
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index 4bd99a7b1c41..f43bd05dede2 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -160,11 +160,16 @@ void show_stack(struct task_struct *task, unsigned long *sp)
for(i=0; i < kstack_depth_to_print; i++) {
if (((long) stack & (THREAD_SIZE-1)) == 0)
break;
- if (i && ((i % 4) == 0))
- printk("\n ");
- printk("%016lx ", *stack++);
+ if ((i % 4) == 0) {
+ if (i)
+ pr_cont("\n");
+ printk(" ");
+ } else {
+ pr_cont(" ");
+ }
+ pr_cont("%016lx", *stack++);
}
- printk("\n");
+ pr_cont("\n");
dik_show_trace(sp);
}