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Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Fairly cosmetic as it would only affect VSMP / SMTC kernels that don't
use vectored interrupts.
Found by Beth.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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It refer to CPU_PROFILING.
arch/mips/kernel/time.c: In function 'local_timer_interrupt':
arch/mips/kernel/time.c:142: error: implicit declaration of function 'profile_tick'
arch/mips/kernel/time.c:142: error: 'CPU_PROFILING' undeclared (first use in this function)
arch/mips/kernel/time.c:142: error: (Each undeclared identifier is reported only once
arch/mips/kernel/time.c:142: error: for each function it appears in.)
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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CC arch/mips/kernel/rtlx.o
cc1: warnings being treated as errors
arch/mips/kernel/rtlx.c:59: warning: 'irq' defined but not used
arch/mips/kernel/rtlx.c:60: warning: 'irq_num' defined but not used
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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CC arch/mips/kernel/rtlx.o
arch/mips/kernel/rtlx.c: In function 'rtlx_init':
arch/mips/kernel/rtlx.c:114: warning: format '%x' expects type 'unsigned int', but argument 3 has type 'long unsigned int'
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Move serial_dev_init to device_initcall()
[POWERPC] Enable GENERIC_ISA_DMA if FSL_ULI1575 to fix compile issue
[POWERPC] cpm2: Fix off-by-one error in setbrg().
[PPC] 8xx: Fix r3 trashing due to 8MB TLB page instantiation
[POWERPC] 8{5,6}xx: Fix build issue with !CONFIG_PCI
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With the I/O space rewrite by BenH, the legacy_serial serial_dev_init()
initcall is now called before I/O space is setup, but it's dependent on
it being available.
Since there's no way to make dependencies between initcalls, we'll just
have to move it to device_initcall(). Yes, it's suboptimal but I'm not
aware of any better solution at this time, and it fixes a regression
from 2.6.22.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Fix a compile error when the directory above the kernel source contains
a file named "kernel". Originally from Ben LaHaise, modified based on
feedback from Sam Ravnborg
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Ben LaHaise <bcrl@kvack.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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AK: Removed the unlikelies because gcc heuristics default to unlikely
AK: for test == NULL and for negative returns.
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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vdso vgetns() didn't mask the time source offset calculation, which
could lead to time problems with 32bit HPET. Add the masking.
Thanks to Chuck Ebbert for tracking this down.
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Since the ULI1575 has a ISA bus we need to enable the generic ISA dma
support for drivers that might expect it. Without this we get compile
errors like the following:
ound/built-in.o: In function `claim_dma_lock':
/home/galak/git/linux-8572/include/asm/dma.h:189: undefined reference to `dma_spin_lock'
/home/galak/git/linux-8572/include/asm/dma.h:189: undefined reference to `dma_spin_lock'
sound/built-in.o: In function `release_dma_lock':
/home/galak/git/linux-8572/include/asm/dma.h:195: undefined reference to `dma_spin_lock'
sound/built-in.o: In function `claim_dma_lock':
/home/galak/git/linux-8572/include/asm/dma.h:189: undefined reference to `dma_spin_lock'
/home/galak/git/linux-8572/include/asm/dma.h:189: undefined reference to `dma_spin_lock'
sound/built-in.o:/home/galak/git/linux-8572/include/asm/dma.h:195: more undefined references to `dma_spin_lock' follow
make: *** [.tmp_vmlinux1] Error 1
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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On the root PCI bus, the OBP device tree lists device 3 twice.
Once as 'pm' and once as 'lomp'.
Everything goes downhill from there.
Ignore the second instance to workaround this.
Thanks to Kövedi_Krisztián for the bug report and
testing the fix.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Revert
commit 656dad312fb41ed95ef08325e9df9bece3aacbbb
Author: Ingo Molnar <mingo@elte.hu>
Date: Sat Feb 10 01:46:36 2007 -0800
[PATCH] highmem: catch illegal nesting
Catch illegally nested kmap_atomic()s even if the page that is mapped by
the 'inner' instance is from lowmem.
This avoids spuriously zapped kmap-atomic ptes and turns hard to find
crashes into clear asserts at the bug site.
Problem is, a get_zeroed_page(GFP_KERNEL) from interrupt context will trigger
this check if non-irq code on this CPU holds a KM_USER0 mapping. But that
get_zeroed_page() will never be altering the kmap slot anyway due to the
GFP_KERNEL.
Cc: Christoph Lameter <clameter@sgi.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Acked-by: Satyam Sharma <satyam@infradead.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Fix aliasing bug in copy_user_highpage.
[MIPS] IP22: fix wrong argument order
[MIPS] IP22: Fix wrong check for second HPC
[MIPS] Ocelot: remove remaining bits
[MIPS] TLB: Fix instruction bitmasks
[MIPS] R10000: Fix wrong test in dma-default.c
[MIPS] Provide empty irq_enable_hazard definition for legacy and R1 cores.
[MIPS] Sibyte: Remove broken dependency on EXPERIMENTAL from SIBYTE_SB1xxx_SOC.
[MIPS] Kconfig: whitespace cleanup.
[MIPS] PCI: Set need_domain_info if controller domain index is non-zero.
[MIPS] BCM1480: Fix computation of interrupt mask address register.
[MIPS] i8259: Add disable method.
[MIPS] tty: add the new ioctls and definitions.
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Copy_user_highpage was written assuming it was only being called for
breaking COW pages in which case the source page isn't cached as in
marked cachable under it kernel virtual address. If it is called anyway
the aliasing avoidance strategy implemented by kmap_coherent will fail.
Avoid the use of kmap_coherent for pages marked dirty and to avoid
another instance of this sort of bug, place a BUG_ON in kmap_coherent.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Fix wrong argument order; this is just a minimal fix for the half baked
redadb/writeb() conversion.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Wrong check for the second hpc on fullhouse machines, caused DBEs on
SGI Indys
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-Off-By: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Otherwise Kconfig will produce a nonsenical .config for a kernel that is
neither 32-bit nor 64-bit.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This fixes this little funny:
bigsur:/proc/bus/pci# ls -l
total 0
dr-xr-xr-x 2 root root 0 Aug 28 19:31 00
dr-xr-xr-x 2 root root 0 Aug 28 19:31 00
dr-xr-xr-x 2 root root 0 Aug 28 19:31 01
dr-xr-xr-x 2 root root 0 Aug 28 19:31 03
-r--r--r-- 1 root root 0 Aug 28 19:31 devices
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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CC arch/mips/sibyte/bcm1480/irq.o
arch/mips/sibyte/bcm1480/irq.c: In function 'bcm1480_mask_irq':
arch/mips/sibyte/bcm1480/irq.c:112: warning: cast to pointer from integer of different size
arch/mips/sibyte/bcm1480/irq.c:114: warning: cast to pointer from integer of different size
arch/mips/sibyte/bcm1480/irq.c: In function 'bcm1480_unmask_irq':
arch/mips/sibyte/bcm1480/irq.c:130: warning: cast to pointer from integer of different size
arch/mips/sibyte/bcm1480/irq.c:132: warning: cast to pointer from integer of different size
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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After 76d2160147f43f982dfe881404cfde9fd0a9da21, the qemu NE2000 was
frequently producing WATCHDOG timeouts.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This patch adds the Intel Tolapai LPC and SMBus Controller DID's.
Signed-off-by: Jason Gaston <jason.d.gaston@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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pcibios_get_irq_routing_table is an exported symbol. This results in a
modpost warning:
WARNING: vmlinux.o(.text+0xdca51): Section mismatch: reference to .init.text:pcibios_fixup_bus (between 'pci_scan_child_bus' and 'pci_scan_bus_parented')
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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In the case when an nmi gets stucks the endflag stays equal to zero.
This causes the busy looping on other cpus to continue, even though the
nmi test is done.
On my machine with out the change below the system would hang right
after check_nmi_watchdog(). The change below just sets endflag prior to
checking if the test was successful or not.
Signed-off-by: Daniel Walker <dwalker@mvista.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The CLFLUSH for the modified code line in text_poke was supposed
to speed up CPU recovery. Unfortunately it seems to cause hangs
on some VIA C3s (at least on VIA Esther Model 10 Stepping 9)
Remove it.
Thanks to Stefan Becker for reporting/testing.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix the NMI watchdog on Intel CoreDuo processor where the kernel would
get stuck during boot. The issue is related to errata AE49, where the
PERFEVTSEL1 counter does not have a working enable bit. Thus it is not
possible to use it for NMI.
The patch creates a dedicated wd_ops for CoreDuo which falls back to
using PERFEVTSEL0. The other Intel processors supporting the
architectural PMU will keep on using PERFEVTSEL1 as this allows other
subsystems, such as perfmon, to use PERFEVTSEL0 for PEBS monitoring in
particular. Bug initially reported by Daniel Walker.
AK: Added comments
Signed-off-by: Stephane Eranian <eranian@hpl.hp.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When PTRACE_SYSCALL was used and then PTRACE_DETACH is used, the
TIF_SYSCALL_TRACE flag is left set on the formerly-traced task. This
means that when a new tracer comes along and does PTRACE_ATTACH, it's
possible he gets a syscall tracing stop even though he's never used
PTRACE_SYSCALL. This happens if the task was in the middle of a system
call when the second PTRACE_ATTACH was done. The symptom is an
unexpected SIGTRAP when the tracer thinks that only SIGSTOP should have
been provoked by his ptrace calls so far.
A few machines already fixed this in ptrace_disable (i386, ia64, m68k).
But all other machines do not, and still have this bug. On x86_64, this
constitutes a regression in IA32 compatibility support.
Since all machines now use TIF_SYSCALL_TRACE for this, I put the
clearing of TIF_SYSCALL_TRACE in the generic ptrace_detach code rather
than adding it to every other machine's ptrace_disable.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Ocelot: remove remaining bits
[MIPS] TLB: Fix instruction bitmasks
[MIPS] R10000: Fix wrong test in dma-default.c
[MIPS] Provide empty irq_enable_hazard definition for legacy and R1 cores.
[MIPS] Sibyte: Remove broken dependency on EXPERIMENTAL from SIBYTE_SB1xxx_SOC.
[MIPS] Kconfig: whitespace cleanup.
[MIPS] PCI: Set need_domain_info if controller domain index is non-zero.
[MIPS] BCM1480: Fix computation of interrupt mask address register.
[MIPS] i8259: Add disable method.
[MIPS] tty: add the new ioctls and definitions.
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* 'for-linus' of git://www.linux-m32r.org/git/takata/linux-2.6_dev:
m32r: Rename STI/CLI macros
m32r: build fix of entry.S
m32r: Separate syscall table from entry.S
m32r: Cosmetic updates of arch/m32r/kernel/entry.S
m32r: Exit ei_handler directly for no IRQ case or IPI operations
m32r: Simplify ei_handler code
m32r: Define symbols to unify platform-dependent ICU checks
m32r: Move dot.gdbinit files
m32r: Rearrange platform-dependent codes
m32r: Add defconfig file for the usrv platform.
m32r: Update defconfig files for 2.6.23-rc1
m32r: Move defconfig files to arch/m32r/configs/
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git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup:
[x86 setup] Work around bug in Xen HVM
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The hardware adds one to the BRG value to get the divider, so it must
be subtracted by software. Without this patch, characters will occasionally
be corrupted.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Instantiation of 8MB pages on the TLB cache for the kernel static
mapping trashes r3 register on !CONFIG_8xx_CPU6 configurations.
This ensures r3 gets saved and restored.
This has been posted to linuxppc-embedded by Marcelo Tosatti
<marcelo@kvack.org>, but only an incomplete version of the patch
has been applied in c51e078f82096a7d35ac8ec2416272e843a0e1c4.
This patch adds the rest of the fix.
Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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We needed some ifdef CONFIG_PCI protection for pcibios_fixup so we
can build !CONFIG_PCI.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-Off-By: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Otherwise Kconfig will produce a nonsenical .config for a kernel that is
neither 32-bit nor 64-bit.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This fixes this little funny:
bigsur:/proc/bus/pci# ls -l
total 0
dr-xr-xr-x 2 root root 0 Aug 28 19:31 00
dr-xr-xr-x 2 root root 0 Aug 28 19:31 00
dr-xr-xr-x 2 root root 0 Aug 28 19:31 01
dr-xr-xr-x 2 root root 0 Aug 28 19:31 03
-r--r--r-- 1 root root 0 Aug 28 19:31 devices
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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CC arch/mips/sibyte/bcm1480/irq.o
arch/mips/sibyte/bcm1480/irq.c: In function 'bcm1480_mask_irq':
arch/mips/sibyte/bcm1480/irq.c:112: warning: cast to pointer from integer of different size
arch/mips/sibyte/bcm1480/irq.c:114: warning: cast to pointer from integer of different size
arch/mips/sibyte/bcm1480/irq.c: In function 'bcm1480_unmask_irq':
arch/mips/sibyte/bcm1480/irq.c:130: warning: cast to pointer from integer of different size
arch/mips/sibyte/bcm1480/irq.c:132: warning: cast to pointer from integer of different size
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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After 76d2160147f43f982dfe881404cfde9fd0a9da21, the qemu NE2000 was
frequently producing WATCHDOG timeouts.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Previously, ibmebus derived a device's bus_id from its location code.
The location code is not guaranteed to be unique, so we might get bus_id
collisions if two devices share the same location code. The OFDT
full_name, however, is unique, so we use that instead (truncating it
on the left if it is too long).
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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On PS3, A storage device may show up in the repository before the hypervisor
has finished probing:
- If its type is not yet known, it shows up as PS3_DEV_TYPE_STOR_DUMMY,
- If its regions are being probed, it shows up as having zero regions.
If any of these happen, consider the device not yet present. The storage
probe thread will retry later.
This fixes the timing-dependent problem where a kernel booted from FLASH ROM
sometimes cannot find the hard disk.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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