AcoSail/kernel_optimize_test
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b9b37787d2
kernel_optimize_test/arch/mips
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Ralf Baechle b9b37787d2 MIPS: Cobalt: Fix theoretical port aliasing issue 
Because the VIA SuperIO chip only decodes 24 bits of address space but port
address space currently being configured as 32MB there is the theoretical
possibility of aliases within the I/O port address range.

The complicated solution is to reserve all address range that potencially
could cause such aliases.  But with the PCI spec limiting port allocations
for devices to a maximum of 256 bytes 16MB of port address space already is
way more than one would ever expect to be used so we just reduce the port
space to 16MB.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
To: Yoichi Yuasa <yuasa@linux-mips.org>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: linux-mips@linux-mips.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Patchwork: http://patchwork.linux-mips.org/patch/995/
2010-02-27 12:53:43 +01:00
..
alchemy MIPS: Alchemy: devboard PM needs to save CPLD registers. 2010-02-27 12:53:41 +01:00
ar7 MIPS: AR7: Make ar7_register_devices much more durable 2010-02-27 12:53:22 +01:00
bcm47xx MIPS: Nuke trailing blank lines 2010-02-27 12:53:14 +01:00
bcm63xx MIPS: BCM63xx: Convert timer locks to raw spinlocks. 2010-02-27 12:53:35 +01:00
boot MIPS: Make the debugging of compressed kernel configurable 2010-02-27 12:53:24 +01:00
cavium-octeon MIPS: Use ALIGN(x, bytes) instead of __ALIGN_MASK(x, bytes - 1) 2010-02-27 12:53:43 +01:00
cobalt MIPS: Cobalt: Fix theoretical port aliasing issue 2010-02-27 12:53:43 +01:00
configs MIPS: Loongson: Lemote-2F: update defconfig 2010-02-27 12:53:12 +01:00
dec MIPS: DEC: Convert KN01 lock to raw spinlock. 2010-02-27 12:53:36 +01:00
emma MIPS: Remove useless zero initializations. 2009-09-17 20:07:51 +02:00
fw MIPS: IP22: Remove an unused function 2009-12-17 01:56:56 +00:00
gt64120/wrppmc Update Yoichi Yuasa's e-mail address 2009-07-03 15:45:29 +01:00
include/asm MIPS: Optimize spinlocks. 2010-02-27 12:53:42 +01:00
jazz MIPS: Jazz: Convert irq controller lock to raw spinlock. 2010-02-27 12:53:31 +01:00
kernel MIPS: Crazy spinlock speed test. 2010-02-27 12:53:42 +01:00
lasat MIPS: Nuke trailing blank lines 2010-02-27 12:53:14 +01:00
lib MIPS: Fix __ndelay build error and add 'ull' suffix for 32-bit kernel 2009-06-17 11:06:24 +01:00
loongson MIPS: Lemote 2F: Move printks out of port_access_lock. 2010-02-27 12:53:41 +01:00
math-emu MIPS: Nuke trailing blank lines 2010-02-27 12:53:14 +01:00
mipssim MIPS: Malta, PowerTV: Remove unnecessary "Linux started" 2010-01-12 18:19:36 +01:00
mm MIPS: Give Octeon+ CPUs their own cputype. 2010-02-27 12:53:26 +01:00
mti-malta MIPS: Malta: Convert IRQ controller lock to raw spinlock. 2010-02-27 12:53:32 +01:00
nxp MIPS: PNX833x: Convert IRQ controller locks to raw spinlocks. 2010-02-27 12:53:41 +01:00
oprofile MIPS: Loongson: Remove pointless sample_lock from oprofile code. 2010-02-27 12:53:39 +01:00
pci MIPS: Make various locks static. 2010-02-27 12:53:30 +01:00
pmc-sierra MIPS: Yosemite: Convert SMP startup lock to arch spinlock. 2010-02-27 12:53:37 +01:00
power MIPS: Loongson: Change the Email address of Wu Zhangjin 2010-02-27 12:53:12 +01:00
powertv MIPS: PowerTV: Eliminate duplicate opcode definition macros 2010-02-27 12:53:41 +01:00
rb532 MIPS: Replace all usages of CL_SIZE by COMMAND_LINE_SIZE 2009-12-17 01:56:56 +00:00
sgi-ip22 MIPS: Move several variables from .bss to .init.data 2009-12-17 01:57:27 +00:00
sgi-ip27 MIPS: IP27: Convert nmi_lock lock to arch spinlock; 2010-02-27 12:53:38 +01:00
sgi-ip32 MIPS: Cleanup switches with cases that can be merged 2010-02-27 12:53:14 +01:00
sibyte MIPS: SB1480: Convert IRQ controller lock to raw spinlock. 2010-02-27 12:53:32 +01:00
sni MIPS: SNI: Convert sni_rm200_i8259A_lock to raw spinlock. 2010-02-27 12:53:39 +01:00
txx9 MIPS: TXx9: Remove forced serial console setting 2010-02-27 12:53:22 +01:00
vr41xx MIPS: VR41xx: Use strlcat() for the command line arguments 2010-01-12 18:19:30 +01:00
Kconfig MIPS: Support 36-bit iomem on 32-bit Au1x00 2010-02-27 12:53:17 +01:00
Kconfig.debug MIPS: Crazy spinlock speed test. 2010-02-27 12:53:42 +01:00
Makefile MIPS: Loongson: arch/mips/Makefile: Add missing whitespace 2010-02-27 12:53:11 +01:00