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-rw-r--r--arch/i386/kernel/apic.c4
-rw-r--r--arch/i386/kernel/nmi.c4
-rw-r--r--arch/ppc/syslib/ppc4xx_dma.c10
-rw-r--r--arch/sh/kernel/entry.S5
-rw-r--r--arch/sh64/kernel/syscalls.S5
-rw-r--r--arch/sparc/kernel/sparc_ksyms.c5
-rw-r--r--arch/sparc64/kernel/Makefile2
-rw-r--r--arch/sparc64/kernel/traps.c3
-rw-r--r--arch/sparc64/kernel/una_asm.S153
-rw-r--r--arch/sparc64/kernel/unaligned.c261
-rw-r--r--arch/sparc64/kernel/us2e_cpufreq.c36
-rw-r--r--arch/sparc64/kernel/us3_cpufreq.c29
-rw-r--r--arch/um/kernel/skas/process.c6
-rw-r--r--arch/um/os-Linux/elf_aux.c1
-rw-r--r--arch/x86_64/kernel/smpboot.c15
-rw-r--r--arch/x86_64/mm/fault.c4
16 files changed, 304 insertions, 239 deletions
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index bd1dbf3bd22..a22a866de8f 100644
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -726,15 +726,11 @@ __setup("apic=", apic_set_verbosity);
static int __init detect_init_APIC (void)
{
u32 h, l, features;
- extern void get_cpu_vendor(struct cpuinfo_x86*);
/* Disabled by kernel option? */
if (enable_local_apic < 0)
return -1;
- /* Workaround for us being called before identify_cpu(). */
- get_cpu_vendor(&boot_cpu_data);
-
switch (boot_cpu_data.x86_vendor) {
case X86_VENDOR_AMD:
if ((boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model > 1) ||
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index da6c46d667c..8c242bb1ef4 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -195,7 +195,7 @@ static void disable_lapic_nmi_watchdog(void)
wrmsr(MSR_P6_EVNTSEL0, 0, 0);
break;
case 15:
- if (boot_cpu_data.x86_model > 0x3)
+ if (boot_cpu_data.x86_model > 0x4)
break;
wrmsr(MSR_P4_IQ_CCCR0, 0, 0);
@@ -432,7 +432,7 @@ void setup_apic_nmi_watchdog (void)
setup_p6_watchdog();
break;
case 15:
- if (boot_cpu_data.x86_model > 0x3)
+ if (boot_cpu_data.x86_model > 0x4)
return;
if (!setup_p4_watchdog())
diff --git a/arch/ppc/syslib/ppc4xx_dma.c b/arch/ppc/syslib/ppc4xx_dma.c
index 5015ab99afd..f15e64285f9 100644
--- a/arch/ppc/syslib/ppc4xx_dma.c
+++ b/arch/ppc/syslib/ppc4xx_dma.c
@@ -620,6 +620,7 @@ ppc4xx_clr_dma_status(unsigned int dmanr)
return DMA_STATUS_GOOD;
}
+#ifdef CONFIG_PPC4xx_EDMA
/*
* Enables the burst on the channel (BTEN bit in the control/count register)
* Note:
@@ -685,6 +686,11 @@ ppc4xx_set_burst_size(unsigned int dmanr, unsigned int bsize)
return DMA_STATUS_GOOD;
}
+EXPORT_SYMBOL(ppc4xx_enable_burst);
+EXPORT_SYMBOL(ppc4xx_disable_burst);
+EXPORT_SYMBOL(ppc4xx_set_burst_size);
+#endif /* CONFIG_PPC4xx_EDMA */
+
EXPORT_SYMBOL(ppc4xx_init_dma_channel);
EXPORT_SYMBOL(ppc4xx_get_channel_config);
EXPORT_SYMBOL(ppc4xx_set_channel_priority);
@@ -703,6 +709,4 @@ EXPORT_SYMBOL(ppc4xx_enable_dma_interrupt);
EXPORT_SYMBOL(ppc4xx_disable_dma_interrupt);
EXPORT_SYMBOL(ppc4xx_get_dma_status);
EXPORT_SYMBOL(ppc4xx_clr_dma_status);
-EXPORT_SYMBOL(ppc4xx_enable_burst);
-EXPORT_SYMBOL(ppc4xx_disable_burst);
-EXPORT_SYMBOL(ppc4xx_set_burst_size);
+
diff --git a/arch/sh/kernel/entry.S b/arch/sh/kernel/entry.S
index 6615e4838ee..fb6368159dd 100644
--- a/arch/sh/kernel/entry.S
+++ b/arch/sh/kernel/entry.S
@@ -1145,5 +1145,10 @@ ENTRY(sys_call_table)
.long sys_add_key /* 285 */
.long sys_request_key
.long sys_keyctl
+ .long sys_ioprio_set
+ .long sys_ioprio_get
+ .long sys_inotify_init /* 290 */
+ .long sys_inotify_add_watch
+ .long sys_inotify_rm_watch
/* End of entry.S */
diff --git a/arch/sh64/kernel/syscalls.S b/arch/sh64/kernel/syscalls.S
index 6aabc63e451..a3d037805f1 100644
--- a/arch/sh64/kernel/syscalls.S
+++ b/arch/sh64/kernel/syscalls.S
@@ -342,4 +342,9 @@ sys_call_table:
.long sys_add_key
.long sys_request_key
.long sys_keyctl /* 315 */
+ .long sys_ioprio_set
+ .long sys_ioprio_get
+ .long sys_inotify_init
+ .long sys_inotify_add_watch
+ .long sys_inotify_rm_watch /* 320 */
diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index 1bd430d0ca0..8faa8dc4de4 100644
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -98,8 +98,9 @@ extern void ___rw_write_enter(void);
* The module references will be fixed up by module_frob_arch_sections.
*/
#define DOT_ALIAS2(__ret, __x, __arg1, __arg2) \
- extern __ret __x(__arg1, __arg2) \
- __attribute__((weak, alias("." # __x)));
+ extern __ret __x(__arg1, __arg2); \
+ asm(".weak " #__x);\
+ asm(#__x "=." #__x);
DOT_ALIAS2(int, div, int, int)
DOT_ALIAS2(int, mul, int, int)
diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile
index 093281bdf85..6f00ab8b9d2 100644
--- a/arch/sparc64/kernel/Makefile
+++ b/arch/sparc64/kernel/Makefile
@@ -8,7 +8,7 @@ EXTRA_CFLAGS := -Werror
extra-y := head.o init_task.o vmlinux.lds
obj-y := process.o setup.o cpu.o idprom.o \
- traps.o devices.o auxio.o \
+ traps.o devices.o auxio.o una_asm.o \
irq.o ptrace.o time.o sys_sparc.o signal.o \
unaligned.o central.o pci.o starfire.o semaphore.o \
power.o sbus.o iommu_common.o sparc64_ksyms.o chmc.o
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 100b0107c4b..0c9e54b2f0c 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -2127,6 +2127,9 @@ void __init trap_init(void)
TI_PRE_COUNT != offsetof(struct thread_info, preempt_count) ||
TI_NEW_CHILD != offsetof(struct thread_info, new_child) ||
TI_SYS_NOERROR != offsetof(struct thread_info, syscall_noerror) ||
+ TI_RESTART_BLOCK != offsetof(struct thread_info, restart_block) ||
+ TI_KUNA_REGS != offsetof(struct thread_info, kern_una_regs) ||
+ TI_KUNA_INSN != offsetof(struct thread_info, kern_una_insn) ||
TI_FPREGS != offsetof(struct thread_info, fpregs) ||
(TI_FPREGS & (64 - 1)))
thread_info_offsets_are_bolixed_dave();
diff --git a/arch/sparc64/kernel/una_asm.S b/arch/sparc64/kernel/una_asm.S
new file mode 100644
index 00000000000..cbb40585253
--- /dev/null
+++ b/arch/sparc64/kernel/una_asm.S
@@ -0,0 +1,153 @@
+/* una_asm.S: Kernel unaligned trap assembler helpers.
+ *
+ * Copyright (C) 1996,2005 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ */
+
+ .text
+
+kernel_unaligned_trap_fault:
+ call kernel_mna_trap_fault
+ nop
+ retl
+ nop
+ .size kern_unaligned_trap_fault, .-kern_unaligned_trap_fault
+
+ .globl __do_int_store
+__do_int_store:
+ rd %asi, %o4
+ wr %o3, 0, %asi
+ ldx [%o2], %g3
+ cmp %o1, 2
+ be,pn %icc, 2f
+ cmp %o1, 4
+ be,pt %icc, 1f
+ srlx %g3, 24, %g2
+ srlx %g3, 56, %g1
+ srlx %g3, 48, %g7
+4: stba %g1, [%o0] %asi
+ srlx %g3, 40, %g1
+5: stba %g7, [%o0 + 1] %asi
+ srlx %g3, 32, %g7
+6: stba %g1, [%o0 + 2] %asi
+7: stba %g7, [%o0 + 3] %asi
+ srlx %g3, 16, %g1
+8: stba %g2, [%o0 + 4] %asi
+ srlx %g3, 8, %g7
+9: stba %g1, [%o0 + 5] %asi
+10: stba %g7, [%o0 + 6] %asi
+ ba,pt %xcc, 0f
+11: stba %g3, [%o0 + 7] %asi
+1: srl %g3, 16, %g7
+12: stba %g2, [%o0] %asi
+ srl %g3, 8, %g2
+13: stba %g7, [%o0 + 1] %asi
+14: stba %g2, [%o0 + 2] %asi
+ ba,pt %xcc, 0f
+15: stba %g3, [%o0 + 3] %asi
+2: srl %g3, 8, %g2
+16: stba %g2, [%o0] %asi
+17: stba %g3, [%o0 + 1] %asi
+0:
+ wr %o4, 0x0, %asi
+ retl
+ nop
+ .size __do_int_store, .-__do_int_store
+
+ .section __ex_table
+ .word 4b, kernel_unaligned_trap_fault
+ .word 5b, kernel_unaligned_trap_fault
+ .word 6b, kernel_unaligned_trap_fault
+ .word 7b, kernel_unaligned_trap_fault
+ .word 8b, kernel_unaligned_trap_fault
+ .word 9b, kernel_unaligned_trap_fault
+ .word 10b, kernel_unaligned_trap_fault
+ .word 11b, kernel_unaligned_trap_fault
+ .word 12b, kernel_unaligned_trap_fault
+ .word 13b, kernel_unaligned_trap_fault
+ .word 14b, kernel_unaligned_trap_fault
+ .word 15b, kernel_unaligned_trap_fault
+ .word 16b, kernel_unaligned_trap_fault
+ .word 17b, kernel_unaligned_trap_fault
+ .previous
+
+ .globl do_int_load
+do_int_load:
+ rd %asi, %o5
+ wr %o4, 0, %asi
+ cmp %o1, 8
+ bge,pn %icc, 9f
+ cmp %o1, 4
+ be,pt %icc, 6f
+4: lduba [%o2] %asi, %g2
+5: lduba [%o2 + 1] %asi, %g3
+ sll %g2, 8, %g2
+ brz,pt %o3, 3f
+ add %g2, %g3, %g2
+ sllx %g2, 48, %g2
+ srax %g2, 48, %g2
+3: ba,pt %xcc, 0f
+ stx %g2, [%o0]
+6: lduba [%o2 + 1] %asi, %g3
+ sll %g2, 24, %g2
+7: lduba [%o2 + 2] %asi, %g7
+ sll %g3, 16, %g3
+8: lduba [%o2 + 3] %asi, %g1
+ sll %g7, 8, %g7
+ or %g2, %g3, %g2
+ or %g7, %g1, %g7
+ or %g2, %g7, %g2
+ brnz,a,pt %o3, 3f
+ sra %g2, 0, %g2
+3: ba,pt %xcc, 0f
+ stx %g2, [%o0]
+9: lduba [%o2] %asi, %g2
+10: lduba [%o2 + 1] %asi, %g3
+ sllx %g2, 56, %g2
+11: lduba [%o2 + 2] %asi, %g7
+ sllx %g3, 48, %g3
+12: lduba [%o2 + 3] %asi, %g1
+ sllx %g7, 40, %g7
+ sllx %g1, 32, %g1
+ or %g2, %g3, %g2
+ or %g7, %g1, %g7
+13: lduba [%o2 + 4] %asi, %g3
+ or %g2, %g7, %g7
+14: lduba [%o2 + 5] %asi, %g1
+ sllx %g3, 24, %g3
+15: lduba [%o2 + 6] %asi, %g2
+ sllx %g1, 16, %g1
+ or %g7, %g3, %g7
+16: lduba [%o2 + 7] %asi, %g3
+ sllx %g2, 8, %g2
+ or %g7, %g1, %g7
+ or %g2, %g3, %g2
+ or %g7, %g2, %g7
+ cmp %o1, 8
+ be,a,pt %icc, 0f
+ stx %g7, [%o0]
+ srlx %g7, 32, %g2
+ sra %g7, 0, %g7
+ stx %g2, [%o0]
+ stx %g7, [%o0 + 8]
+0:
+ wr %o5, 0x0, %asi
+ retl
+ nop
+ .size __do_int_load, .-__do_int_load
+
+ .section __ex_table
+ .word 4b, kernel_unaligned_trap_fault
+ .word 5b, kernel_unaligned_trap_fault
+ .word 6b, kernel_unaligned_trap_fault
+ .word 7b, kernel_unaligned_trap_fault
+ .word 8b, kernel_unaligned_trap_fault
+ .word 9b, kernel_unaligned_trap_fault
+ .word 10b, kernel_unaligned_trap_fault
+ .word 11b, kernel_unaligned_trap_fault
+ .word 12b, kernel_unaligned_trap_fault
+ .word 13b, kernel_unaligned_trap_fault
+ .word 14b, kernel_unaligned_trap_fault
+ .word 15b, kernel_unaligned_trap_fault
+ .word 16b, kernel_unaligned_trap_fault
+ .previous
diff --git a/arch/sparc64/kernel/unaligned.c b/arch/sparc64/kernel/unaligned.c
index 4372bf32ecf..11c3e88732e 100644
--- a/arch/sparc64/kernel/unaligned.c
+++ b/arch/sparc64/kernel/unaligned.c
@@ -180,169 +180,28 @@ static void __attribute_used__ unaligned_panic(char *str, struct pt_regs *regs)
die_if_kernel(str, regs);
}
-#define do_integer_load(dest_reg, size, saddr, is_signed, asi, errh) ({ \
-__asm__ __volatile__ ( \
- "wr %4, 0, %%asi\n\t" \
- "cmp %1, 8\n\t" \
- "bge,pn %%icc, 9f\n\t" \
- " cmp %1, 4\n\t" \
- "be,pt %%icc, 6f\n" \
-"4:\t" " lduba [%2] %%asi, %%l1\n" \
-"5:\t" "lduba [%2 + 1] %%asi, %%l2\n\t" \
- "sll %%l1, 8, %%l1\n\t" \
- "brz,pt %3, 3f\n\t" \
- " add %%l1, %%l2, %%l1\n\t" \
- "sllx %%l1, 48, %%l1\n\t" \
- "srax %%l1, 48, %%l1\n" \
-"3:\t" "ba,pt %%xcc, 0f\n\t" \
- " stx %%l1, [%0]\n" \
-"6:\t" "lduba [%2 + 1] %%asi, %%l2\n\t" \
- "sll %%l1, 24, %%l1\n" \
-"7:\t" "lduba [%2 + 2] %%asi, %%g7\n\t" \
- "sll %%l2, 16, %%l2\n" \
-"8:\t" "lduba [%2 + 3] %%asi, %%g1\n\t" \
- "sll %%g7, 8, %%g7\n\t" \
- "or %%l1, %%l2, %%l1\n\t" \
- "or %%g7, %%g1, %%g7\n\t" \
- "or %%l1, %%g7, %%l1\n\t" \
- "brnz,a,pt %3, 3f\n\t" \
- " sra %%l1, 0, %%l1\n" \
-"3:\t" "ba,pt %%xcc, 0f\n\t" \
- " stx %%l1, [%0]\n" \
-"9:\t" "lduba [%2] %%asi, %%l1\n" \
-"10:\t" "lduba [%2 + 1] %%asi, %%l2\n\t" \
- "sllx %%l1, 56, %%l1\n" \
-"11:\t" "lduba [%2 + 2] %%asi, %%g7\n\t" \
- "sllx %%l2, 48, %%l2\n" \
-"12:\t" "lduba [%2 + 3] %%asi, %%g1\n\t" \
- "sllx %%g7, 40, %%g7\n\t" \
- "sllx %%g1, 32, %%g1\n\t" \
- "or %%l1, %%l2, %%l1\n\t" \
- "or %%g7, %%g1, %%g7\n" \
-"13:\t" "lduba [%2 + 4] %%asi, %%l2\n\t" \
- "or %%l1, %%g7, %%g7\n" \
-"14:\t" "lduba [%2 + 5] %%asi, %%g1\n\t" \
- "sllx %%l2, 24, %%l2\n" \
-"15:\t" "lduba [%2 + 6] %%asi, %%l1\n\t" \
- "sllx %%g1, 16, %%g1\n\t" \
- "or %%g7, %%l2, %%g7\n" \
-"16:\t" "lduba [%2 + 7] %%asi, %%l2\n\t" \
- "sllx %%l1, 8, %%l1\n\t" \
- "or %%g7, %%g1, %%g7\n\t" \
- "or %%l1, %%l2, %%l1\n\t" \
- "or %%g7, %%l1, %%g7\n\t" \
- "cmp %1, 8\n\t" \
- "be,a,pt %%icc, 0f\n\t" \
- " stx %%g7, [%0]\n\t" \
- "srlx %%g7, 32, %%l1\n\t" \
- "sra %%g7, 0, %%g7\n\t" \
- "stx %%l1, [%0]\n\t" \
- "stx %%g7, [%0 + 8]\n" \
-"0:\n\t" \
- "wr %%g0, %5, %%asi\n\n\t" \
- ".section __ex_table\n\t" \
- ".word 4b, " #errh "\n\t" \
- ".word 5b, " #errh "\n\t" \
- ".word 6b, " #errh "\n\t" \
- ".word 7b, " #errh "\n\t" \
- ".word 8b, " #errh "\n\t" \
- ".word 9b, " #errh "\n\t" \
- ".word 10b, " #errh "\n\t" \
- ".word 11b, " #errh "\n\t" \
- ".word 12b, " #errh "\n\t" \
- ".word 13b, " #errh "\n\t" \
- ".word 14b, " #errh "\n\t" \
- ".word 15b, " #errh "\n\t" \
- ".word 16b, " #errh "\n\n\t" \
- ".previous\n\t" \
- : : "r" (dest_reg), "r" (size), "r" (saddr), "r" (is_signed), \
- "r" (asi), "i" (ASI_AIUS) \
- : "l1", "l2", "g7", "g1", "cc"); \
-})
+extern void do_int_load(unsigned long *dest_reg, int size,
+ unsigned long *saddr, int is_signed, int asi);
-#define store_common(dst_addr, size, src_val, asi, errh) ({ \
-__asm__ __volatile__ ( \
- "wr %3, 0, %%asi\n\t" \
- "ldx [%2], %%l1\n" \
- "cmp %1, 2\n\t" \
- "be,pn %%icc, 2f\n\t" \
- " cmp %1, 4\n\t" \
- "be,pt %%icc, 1f\n\t" \
- " srlx %%l1, 24, %%l2\n\t" \
- "srlx %%l1, 56, %%g1\n\t" \
- "srlx %%l1, 48, %%g7\n" \
-"4:\t" "stba %%g1, [%0] %%asi\n\t" \
- "srlx %%l1, 40, %%g1\n" \
-"5:\t" "stba %%g7, [%0 + 1] %%asi\n\t" \
- "srlx %%l1, 32, %%g7\n" \
-"6:\t" "stba %%g1, [%0 + 2] %%asi\n" \
-"7:\t" "stba %%g7, [%0 + 3] %%asi\n\t" \
- "srlx %%l1, 16, %%g1\n" \
-"8:\t" "stba %%l2, [%0 + 4] %%asi\n\t" \
- "srlx %%l1, 8, %%g7\n" \
-"9:\t" "stba %%g1, [%0 + 5] %%asi\n" \
-"10:\t" "stba %%g7, [%0 + 6] %%asi\n\t" \
- "ba,pt %%xcc, 0f\n" \
-"11:\t" " stba %%l1, [%0 + 7] %%asi\n" \
-"1:\t" "srl %%l1, 16, %%g7\n" \
-"12:\t" "stba %%l2, [%0] %%asi\n\t" \
- "srl %%l1, 8, %%l2\n" \
-"13:\t" "stba %%g7, [%0 + 1] %%asi\n" \
-"14:\t" "stba %%l2, [%0 + 2] %%asi\n\t" \
- "ba,pt %%xcc, 0f\n" \
-"15:\t" " stba %%l1, [%0 + 3] %%asi\n" \
-"2:\t" "srl %%l1, 8, %%l2\n" \
-"16:\t" "stba %%l2, [%0] %%asi\n" \
-"17:\t" "stba %%l1, [%0 + 1] %%asi\n" \
-"0:\n\t" \
- "wr %%g0, %4, %%asi\n\n\t" \
- ".section __ex_table\n\t" \
- ".word 4b, " #errh "\n\t" \
- ".word 5b, " #errh "\n\t" \
- ".word 6b, " #errh "\n\t" \
- ".word 7b, " #errh "\n\t" \
- ".word 8b, " #errh "\n\t" \
- ".word 9b, " #errh "\n\t" \
- ".word 10b, " #errh "\n\t" \
- ".word 11b, " #errh "\n\t" \
- ".word 12b, " #errh "\n\t" \
- ".word 13b, " #errh "\n\t" \
- ".word 14b, " #errh "\n\t" \
- ".word 15b, " #errh "\n\t" \
- ".word 16b, " #errh "\n\t" \
- ".word 17b, " #errh "\n\n\t" \
- ".previous\n\t" \
- : : "r" (dst_addr), "r" (size), "r" (src_val), "r" (asi), "i" (ASI_AIUS)\
- : "l1", "l2", "g7", "g1", "cc"); \
-})
-
-#define do_integer_store(reg_num, size, dst_addr, regs, asi, errh) ({ \
- unsigned long zero = 0; \
- unsigned long *src_val = &zero; \
- \
- if (size == 16) { \
- size = 8; \
- zero = (((long)(reg_num ? \
- (unsigned)fetch_reg(reg_num, regs) : 0)) << 32) | \
- (unsigned)fetch_reg(reg_num + 1, regs); \
- } else if (reg_num) src_val = fetch_reg_addr(reg_num, regs); \
- store_common(dst_addr, size, src_val, asi, errh); \
-})
-
-extern void smp_capture(void);
-extern void smp_release(void);
-
-#define do_atomic(srcdest_reg, mem, errh) ({ \
- unsigned long flags, tmp; \
- \
- smp_capture(); \
- local_irq_save(flags); \
- tmp = *srcdest_reg; \
- do_integer_load(srcdest_reg, 4, mem, 0, errh); \
- store_common(mem, 4, &tmp, errh); \
- local_irq_restore(flags); \
- smp_release(); \
-})
+extern void __do_int_store(unsigned long *dst_addr, int size,
+ unsigned long *src_val, int asi);
+
+static inline void do_int_store(int reg_num, int size, unsigned long *dst_addr,
+ struct pt_regs *regs, int asi)
+{
+ unsigned long zero = 0;
+ unsigned long *src_val = &zero;
+
+ if (size == 16) {
+ size = 8;
+ zero = (((long)(reg_num ?
+ (unsigned)fetch_reg(reg_num, regs) : 0)) << 32) |
+ (unsigned)fetch_reg(reg_num + 1, regs);
+ } else if (reg_num) {
+ src_val = fetch_reg_addr(reg_num, regs);
+ }
+ __do_int_store(dst_addr, size, src_val, asi);
+}
static inline void advance(struct pt_regs *regs)
{
@@ -364,24 +223,29 @@ static inline int ok_for_kernel(unsigned int insn)
return !floating_point_load_or_store_p(insn);
}
-void kernel_mna_trap_fault(struct pt_regs *regs, unsigned int insn) __asm__ ("kernel_mna_trap_fault");
-
-void kernel_mna_trap_fault(struct pt_regs *regs, unsigned int insn)
+void kernel_mna_trap_fault(void)
{
- unsigned long g2 = regs->u_regs [UREG_G2];
+ struct pt_regs *regs = current_thread_info()->kern_una_regs;
+ unsigned int insn = current_thread_info()->kern_una_insn;
+ unsigned long g2 = regs->u_regs[UREG_G2];
unsigned long fixup = search_extables_range(regs->tpc, &g2);
if (!fixup) {
- unsigned long address = compute_effective_address(regs, insn, ((insn >> 25) & 0x1f));
+ unsigned long address;
+
+ address = compute_effective_address(regs, insn,
+ ((insn >> 25) & 0x1f));
if (address < PAGE_SIZE) {
- printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference in mna handler");
+ printk(KERN_ALERT "Unable to handle kernel NULL "
+ "pointer dereference in mna handler");
} else
- printk(KERN_ALERT "Unable to handle kernel paging request in mna handler");
+ printk(KERN_ALERT "Unable to handle kernel paging "
+ "request in mna handler");
printk(KERN_ALERT " at virtual address %016lx\n",address);
- printk(KERN_ALERT "current->{mm,active_mm}->context = %016lx\n",
+ printk(KERN_ALERT "current->{active_,}mm->context = %016lx\n",
(current->mm ? CTX_HWBITS(current->mm->context) :
CTX_HWBITS(current->active_mm->context)));
- printk(KERN_ALERT "current->{mm,active_mm}->pgd = %016lx\n",
+ printk(KERN_ALERT "current->{active_,}mm->pgd = %016lx\n",
(current->mm ? (unsigned long) current->mm->pgd :
(unsigned long) current->active_mm->pgd));
die_if_kernel("Oops", regs);
@@ -400,48 +264,41 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u
enum direction dir = decode_direction(insn);
int size = decode_access_size(insn);
+ current_thread_info()->kern_una_regs = regs;
+ current_thread_info()->kern_una_insn = insn;
+
if (!ok_for_kernel(insn) || dir == both) {
- printk("Unsupported unaligned load/store trap for kernel at <%016lx>.\n",
- regs->tpc);
- unaligned_panic("Kernel does fpu/atomic unaligned load/store.", regs);
-
- __asm__ __volatile__ ("\n"
-"kernel_unaligned_trap_fault:\n\t"
- "mov %0, %%o0\n\t"
- "call kernel_mna_trap_fault\n\t"
- " mov %1, %%o1\n\t"
- :
- : "r" (regs), "r" (insn)
- : "o0", "o1", "o2", "o3", "o4", "o5", "o7",
- "g1", "g2", "g3", "g4", "g7", "cc");
+ printk("Unsupported unaligned load/store trap for kernel "
+ "at <%016lx>.\n", regs->tpc);
+ unaligned_panic("Kernel does fpu/atomic "
+ "unaligned load/store.", regs);
+
+ kernel_mna_trap_fault();
} else {
- unsigned long addr = compute_effective_address(regs, insn, ((insn >> 25) & 0x1f));
+ unsigned long addr;
+ addr = compute_effective_address(regs, insn,
+ ((insn >> 25) & 0x1f));
#ifdef DEBUG_MNA
- printk("KMNA: pc=%016lx [dir=%s addr=%016lx size=%d] retpc[%016lx]\n",
- regs->tpc, dirstrings[dir], addr, size, regs->u_regs[UREG_RETPC]);
+ printk("KMNA: pc=%016lx [dir=%s addr=%016lx size=%d] "
+ "retpc[%016lx]\n",
+ regs->tpc, dirstrings[dir], addr, size,
+ regs->u_regs[UREG_RETPC]);
#endif
switch (dir) {
case load:
- do_integer_load(fetch_reg_addr(((insn>>25)&0x1f), regs),
- size, (unsigned long *) addr,
- decode_signedness(insn), decode_asi(insn, regs),
- kernel_unaligned_trap_fault);
+ do_int_load(fetch_reg_addr(((insn>>25)&0x1f), regs),
+ size, (unsigned long *) addr,
+ decode_signedness(insn),
+ decode_asi(insn, regs));
break;
case store:
- do_integer_store(((insn>>25)&0x1f), size,
- (unsigned long *) addr, regs,
- decode_asi(insn, regs),
- kernel_unaligned_trap_fault);
- break;
-#if 0 /* unsupported */
- case both:
- do_atomic(fetch_reg_addr(((insn>>25)&0x1f), regs),
- (unsigned long *) addr,
- kernel_unaligned_trap_fault);
+ do_int_store(((insn>>25)&0x1f), size,
+ (unsigned long *) addr, regs,
+ decode_asi(insn, regs));
break;
-#endif
+
default:
panic("Impossible kernel unaligned trap.");
/* Not reached... */
diff --git a/arch/sparc64/kernel/us2e_cpufreq.c b/arch/sparc64/kernel/us2e_cpufreq.c
index 7aae0a18aab..686e526bec0 100644
--- a/arch/sparc64/kernel/us2e_cpufreq.c
+++ b/arch/sparc64/kernel/us2e_cpufreq.c
@@ -88,7 +88,6 @@ static void frob_mem_refresh(int cpu_slowing_down,
{
unsigned long old_refr_count, refr_count, mctrl;
-
refr_count = (clock_tick * MCTRL0_REFR_INTERVAL);
refr_count /= (MCTRL0_REFR_CLKS_P_CNT * divisor * 1000000000UL);
@@ -230,6 +229,25 @@ static unsigned long estar_to_divisor(unsigned long estar)
return ret;
}
+static unsigned int us2e_freq_get(unsigned int cpu)
+{
+ cpumask_t cpus_allowed;
+ unsigned long clock_tick, estar;
+
+ if (!cpu_online(cpu))
+ return 0;
+
+ cpus_allowed = current->cpus_allowed;
+ set_cpus_allowed(current, cpumask_of_cpu(cpu));
+
+ clock_tick = sparc64_get_clock_tick(cpu) / 1000;
+ estar = read_hbreg(HBIRD_ESTAR_MODE_ADDR);
+
+ set_cpus_allowed(current, cpus_allowed);
+
+ return clock_tick / estar_to_divisor(estar);
+}
+
static void us2e_set_cpu_divider_index(unsigned int cpu, unsigned int index)
{
unsigned long new_bits, new_freq;
@@ -243,7 +261,7 @@ static void us2e_set_cpu_divider_index(unsigned int cpu, unsigned int index)
cpus_allowed = current->cpus_allowed;
set_cpus_allowed(current, cpumask_of_cpu(cpu));
- new_freq = clock_tick = sparc64_get_clock_tick(cpu);
+ new_freq = clock_tick = sparc64_get_clock_tick(cpu) / 1000;
new_bits = index_to_estar_mode(index);
divisor = index_to_divisor(index);
new_freq /= divisor;
@@ -258,7 +276,8 @@ static void us2e_set_cpu_divider_index(unsigned int cpu, unsigned int index)
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
if (old_divisor != divisor)
- us2e_transition(estar, new_bits, clock_tick, old_divisor, divisor);
+ us2e_transition(estar, new_bits, clock_tick * 1000,
+ old_divisor, divisor);
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
@@ -272,10 +291,8 @@ static int us2e_freq_target(struct cpufreq_policy *policy,
unsigned int new_index = 0;
if (cpufreq_frequency_table_target(policy,
- &us2e_freq_table[policy->cpu].table[0],
- target_freq,
- relation,
- &new_index))
+ &us2e_freq_table[policy->cpu].table[0],
+ target_freq, relation, &new_index))
return -EINVAL;
us2e_set_cpu_divider_index(policy->cpu, new_index);
@@ -292,7 +309,7 @@ static int us2e_freq_verify(struct cpufreq_policy *policy)
static int __init us2e_freq_cpu_init(struct cpufreq_policy *policy)
{
unsigned int cpu = policy->cpu;
- unsigned long clock_tick = sparc64_get_clock_tick(cpu);
+ unsigned long clock_tick = sparc64_get_clock_tick(cpu) / 1000;
struct cpufreq_frequency_table *table =
&us2e_freq_table[cpu].table[0];
@@ -351,9 +368,10 @@ static int __init us2e_freq_init(void)
memset(us2e_freq_table, 0,
(NR_CPUS * sizeof(struct us2e_freq_percpu_info)));
+ driver->init = us2e_freq_cpu_init;
driver->verify = us2e_freq_verify;
driver->target = us2e_freq_target;
- driver->init = us2e_freq_cpu_init;
+ driver->get = us2e_freq_get;
driver->exit = us2e_freq_cpu_exit;
driver->owner = THIS_MODULE,
strcpy(driver->name, "UltraSPARC-IIe");
diff --git a/arch/sparc64/kernel/us3_cpufreq.c b/arch/sparc64/kernel/us3_cpufreq.c
index 18fe54b8aa5..9080e7cd4bb 100644
--- a/arch/sparc64/kernel/us3_cpufreq.c
+++ b/arch/sparc64/kernel/us3_cpufreq.c
@@ -56,7 +56,7 @@ static void write_safari_cfg(unsigned long val)
static unsigned long get_current_freq(unsigned int cpu, unsigned long safari_cfg)
{
- unsigned long clock_tick = sparc64_get_clock_tick(cpu);
+ unsigned long clock_tick = sparc64_get_clock_tick(cpu) / 1000;
unsigned long ret;
switch (safari_cfg & SAFARI_CFG_DIV_MASK) {
@@ -76,6 +76,26 @@ static unsigned long get_current_freq(unsigned int cpu, unsigned long safari_cfg
return ret;
}
+static unsigned int us3_freq_get(unsigned int cpu)
+{
+ cpumask_t cpus_allowed;
+ unsigned long reg;
+ unsigned int ret;
+
+ if (!cpu_online(cpu))
+ return 0;
+
+ cpus_allowed = current->cpus_allowed;
+ set_cpus_allowed(current, cpumask_of_cpu(cpu));
+
+ reg = read_safari_cfg();
+ ret = get_current_freq(cpu, reg);
+
+ set_cpus_allowed(current, cpus_allowed);
+
+ return ret;
+}
+
static void us3_set_cpu_divider_index(unsigned int cpu, unsigned int index)
{
unsigned long new_bits, new_freq, reg;
@@ -88,7 +108,7 @@ static void us3_set_cpu_divider_index(unsigned int cpu, unsigned int index)
cpus_allowed = current->cpus_allowed;
set_cpus_allowed(current, cpumask_of_cpu(cpu));
- new_freq = sparc64_get_clock_tick(cpu);
+ new_freq = sparc64_get_clock_tick(cpu) / 1000;
switch (index) {
case 0:
new_bits = SAFARI_CFG_DIV_1;
@@ -150,7 +170,7 @@ static int us3_freq_verify(struct cpufreq_policy *policy)
static int __init us3_freq_cpu_init(struct cpufreq_policy *policy)
{
unsigned int cpu = policy->cpu;
- unsigned long clock_tick = sparc64_get_clock_tick(cpu);
+ unsigned long clock_tick = sparc64_get_clock_tick(cpu) / 1000;
struct cpufreq_frequency_table *table =
&us3_freq_table[cpu].table[0];
@@ -206,9 +226,10 @@ static int __init us3_freq_init(void)
memset(us3_freq_table, 0,
(NR_CPUS * sizeof(struct us3_freq_percpu_info)));
+ driver->init = us3_freq_cpu_init;
driver->verify = us3_freq_verify;
driver->target = us3_freq_target;
- driver->init = us3_freq_cpu_init;
+ driver->get = us3_freq_get;
driver->exit = us3_freq_cpu_exit;
driver->owner = THIS_MODULE,
strcpy(driver->name, "UltraSPARC-III");
diff --git a/arch/um/kernel/skas/process.c b/arch/um/kernel/skas/process.c
index 6dd9e5bf18e..f228f8b5419 100644
--- a/arch/um/kernel/skas/process.c
+++ b/arch/um/kernel/skas/process.c
@@ -61,7 +61,11 @@ void wait_stub_done(int pid, int sig, char * fname)
CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED));
} while((n >= 0) && WIFSTOPPED(status) &&
- (WSTOPSIG(status) == SIGVTALRM));
+ ((WSTOPSIG(status) == SIGVTALRM) ||
+ /* running UML inside a detached screen can cause
+ * SIGWINCHes
+ */
+ (WSTOPSIG(status) == SIGWINCH)));
if((n < 0) || !WIFSTOPPED(status) ||
(WSTOPSIG(status) != SIGUSR1 && WSTOPSIG(status) != SIGTRAP)){
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index 9416e1c2992..4cca3e9c23f 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -9,7 +9,6 @@
*/
#include <elf.h>
#include <stddef.h>
-#include <asm/elf.h>
#include "init.h"
#include "elf_user.h"
#include "mem_user.h"
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index b15761ff410..fa25e39fe54 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -492,6 +492,14 @@ void __cpuinit start_secondary(void)
*/
set_cpu_sibling_map(smp_processor_id());
+ /*
+ * Wait for TSC sync to not schedule things before.
+ * We still process interrupts, which could see an inconsistent
+ * time in that window unfortunately.
+ * Do this here because TSC sync has global unprotected state.
+ */
+ tsc_sync_wait();
+
/*
* We need to hold call_lock, so there is no inconsistency
* between the time smp_call_function() determines number of
@@ -509,13 +517,6 @@ void __cpuinit start_secondary(void)
per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
unlock_ipi_call_lock();
- mb();
-
- /* Wait for TSC sync to not schedule things before.
- We still process interrupts, which could see an inconsistent
- time in that window unfortunately. */
- tsc_sync_wait();
-
cpu_idle();
}
diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c
index 493819e543a..ca914c3bd49 100644
--- a/arch/x86_64/mm/fault.c
+++ b/arch/x86_64/mm/fault.c
@@ -211,9 +211,7 @@ int unhandled_signal(struct task_struct *tsk, int sig)
{
if (tsk->pid == 1)
return 1;
- /* Warn for strace, but not for gdb */
- if (!test_ti_thread_flag(tsk->thread_info, TIF_SYSCALL_TRACE) &&
- (tsk->ptrace & PT_PTRACED))
+ if (tsk->ptrace & PT_PTRACED)
return 0;
return (tsk->sighand->action[sig-1].sa.sa_handler == SIG_IGN) ||
(tsk->sighand->action[sig-1].sa.sa_handler == SIG_DFL);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 04:45:38 +0000