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Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm

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Pull ARM updates from Russell King:
 "These are late by a week; they should have been merged during the
  merge window, but unfortunately, the ARM kernel build/boot farms were
  indicating random failures, and it wasn't clear whether the cause was
  something in these changes or something during the merge window.

  This is a set of merge window fixes with some documentation additions"

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: avoid unwanted GCC memset()/memcpy() optimisations for IO variants
  ARM: pgtable: document mapping types
  ARM: io: convert ioremap*() to functions
  ARM: io: fix ioremap_wt() implementation
  ARM: io: document ARM specific behaviour of ioremap*() implementations
  ARM: fix lockdep unannotated irqs-off warning
  ARM: 8397/1: fix vdsomunge not to depend on glibc specific error.h
  ARM: add helpful message when truncating physical memory
  ARM: add help text for HIGHPTE configuration entry
  ARM: fix DEBUG_SET_MODULE_RONX build dependencies
  ARM: 8396/1: use phys_addr_t in pfn_to_kaddr()
  ARM: 8394/1: update memblock limit after mapping lowmem
  ARM: 8393/1: smp: Fix suspicious RCU usage with ipi tracepoints
This commit is contained in:
Linus Torvalds
2015-07-07 15:19:09 -07:00
parent 4f273959b8 06be5eefe1
commit d6ac4ffc61
14 changed files with 203 additions and 74 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm/kernel/armksyms.c
View File

@@ -50,6 +50,9 @@ extern void __aeabi_ulcmp(void);
extern void fpundefinstr(void);
void mmioset(void *, unsigned int, size_t);
void mmiocpy(void *, const void *, size_t);
/* platform dependent support */
EXPORT_SYMBOL(arm_delay_ops);
@@ -88,6 +91,9 @@ EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(memchr);
EXPORT_SYMBOL(__memzero);
EXPORT_SYMBOL(mmioset);
EXPORT_SYMBOL(mmiocpy);
#ifdef CONFIG_MMU
EXPORT_SYMBOL(copy_page);

2
arch/arm/kernel/entry-armv.S
View File

@@ -410,7 +410,7 @@ ENDPROC(__fiq_abt)
zero_fp
.if \trace
#ifdef CONFIG_IRQSOFF_TRACER
#ifdef CONFIG_TRACE_IRQFLAGS
bl trace_hardirqs_off
#endif
ct_user_exit save = 0

4
arch/arm/kernel/smp.c
View File

@@ -578,7 +578,7 @@ void handle_IPI(int ipinr, struct pt_regs *regs)
struct pt_regs *old_regs = set_irq_regs(regs);
if ((unsigned)ipinr < NR_IPI) {
trace_ipi_entry(ipi_types[ipinr]);
trace_ipi_entry_rcuidle(ipi_types[ipinr]);
__inc_irq_stat(cpu, ipi_irqs[ipinr]);
}
@@ -637,7 +637,7 @@ void handle_IPI(int ipinr, struct pt_regs *regs)
}
if ((unsigned)ipinr < NR_IPI)
trace_ipi_exit(ipi_types[ipinr]);
trace_ipi_exit_rcuidle(ipi_types[ipinr]);
set_irq_regs(old_regs);
}