Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (141 commits)
  MIPS: Alchemy: defconfig updates
  MIPS: Alchemy: Fix Au1100 ethernet build failure
  MIPS: Alchemy: Repair db1500/bosporus builds
  MIPS: ARC: Cleanup unused definitions from sgialib.h
  MIPS: Cobalt: convert legacy port addresses to GT-64111 bus addresses
  MIPS: Alchemy: use 36bit addresses for PCMCIA resources.
  MIPS: Cobalt: Fix theoretical port aliasing issue
  MIPS: Use ALIGN(x, bytes) instead of __ALIGN_MASK(x, bytes - 1)
  MIPS: Crazy spinlock speed test.
  MIPS: Optimize spinlocks.
  MIPS: Alchemy: devboard PM needs to save CPLD registers.
  MIPS: PowerTV: Eliminate duplicate opcode definition macros
  MIPS: Lemote 2F: Move printks out of port_access_lock.
  MIPS: PNX833x: Convert IRQ controller locks to raw spinlocks.
  MIPS: Octeon: Replace spinlock with raw_spinlocks in dma-octeon.c.
  MIPS: Octeon: Replace rwlocks in irq_chip handlers with raw_spinlocks.
  MIPS: Octeon: Convert octeon_irq_msi_lock to raw spinlock.
  MIPS: Loongson: Remove pointless sample_lock from oprofile code.
  MIPS: SNI: Convert sni_rm200_i8259A_lock to raw spinlock.
  MIPS: i8259: Convert IRQ controller lock to raw spinlock.
  ...

1 files changed, 26 insertions, 0 deletions

diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug
index d2b88a0be51..43dc2799773 100644
--- a/arch/mips/Kconfig.debug
+++ b/arch/mips/Kconfig.debug
@@ -102,4 +102,30 @@ config RUNTIME_DEBUG
 	  arch/mips/include/asm/debug.h for debugging macros.
 	  If unsure, say N.
 
+config DEBUG_ZBOOT
+	bool "Enable compressed kernel support debugging"
+	depends on DEBUG_KERNEL && SYS_SUPPORTS_ZBOOT
+	default n
+	help
+	  If you want to add compressed kernel support to a new board, and the
+	  board supports uart16550 compatible serial port, please select
+	  SYS_SUPPORTS_ZBOOT_UART16550 for your board and enable this option to
+	  debug it.
+
+	  If your board doesn't support uart16550 compatible serial port, you
+	  can try to select SYS_SUPPORTS_ZBOOT and use the other methods to
+	  debug it. for example, add a new serial port support just as
+	  arch/mips/boot/compressed/uart-16550.c does.
+
+	  After the compressed kernel support works, please disable this option
+	  to reduce the kernel image size and speed up the booting procedure a
+	  little.
+
+config SPINLOCK_TEST
+	bool "Enable spinlock timing tests in debugfs"
+	depends on DEBUG_FS
+	default n
+	help
+	  Add several files to the debugfs to test spinlock speed.
+
 endmenu