| Age | Commit message (Collapse) | Author |
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Impact: change over-mapping to precise mapping, fix /proc/meminfo output
v2: fix less than 1G ram system handling
when gart aperture is 0xdc000000 - 0xe0000000
it return 0xc0000000 - 0xe0000000
that is not right.
this patch fix that will get exact mapping
on 256g sytem with that aperture after patch
LBSuse:~ # cat /proc/meminfo
MemTotal: 264742432 kB
MemFree: 263920628 kB
Buffers: 1416 kB
Cached: 24468 kB
...
DirectMap4k: 5760 kB
DirectMap2M: 3205120 kB
DirectMap1G: 265289728 kB
it is consistent to
LBSuse:~ # cat /sys/kernel/debug/kernel_page_tables
..
---[ Low Kernel Mapping ]---
0xffff880000000000-0xffff880000200000 2M RW GLB x pte
0xffff880000200000-0xffff880040000000 1022M RW PSE GLB x pmd
0xffff880040000000-0xffff8800c0000000 2G RW PSE GLB NX pud
0xffff8800c0000000-0xffff8800d7e00000 382M RW PSE GLB NX pmd
0xffff8800d7e00000-0xffff8800d7fa0000 1664K RW GLB NX pte
0xffff8800d7fa0000-0xffff8800d8000000 384K pte
0xffff8800d8000000-0xffff8800dc000000 64M pmd
0xffff8800dc000000-0xffff8800e0000000 64M RW PSE GLB NX pmd
0xffff8800e0000000-0xffff880100000000 512M pmd
0xffff880100000000-0xffff880800000000 28G RW PSE GLB NX pud
0xffff880800000000-0xffff880824600000 582M RW PSE GLB NX pmd
0xffff880824600000-0xffff8808247f0000 1984K RW GLB NX pte
0xffff8808247f0000-0xffff880824800000 64K RW PCD GLB NX pte
0xffff880824800000-0xffff880840000000 440M RW PSE GLB NX pmd
0xffff880840000000-0xffff884000000000 223G RW PSE GLB NX pud
0xffff884000000000-0xffff884028000000 640M RW PSE GLB NX pmd
0xffff884028000000-0xffff884040000000 384M pmd
0xffff884040000000-0xffff888000000000 255G pud
0xffff888000000000-0xffffc20000000000 58880G pgd
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (31 commits)
ftrace: fix current_tracer error return
tracing: fix a build error on alpha
ftrace: use a real variable for ftrace_nop in x86
tracing/ftrace: make boot tracer select the sched_switch tracer
tracepoint: check if the probe has been registered
asm-generic: define DIE_OOPS in asm-generic
trace: fix printk warning for u64
ftrace: warning in kernel/trace/ftrace.c
ftrace: fix build failure
ftrace, powerpc, sparc64, x86: remove notrace from arch ftrace file
ftrace: remove ftrace hash
ftrace: remove mcount set
ftrace: remove daemon
ftrace: disable dynamic ftrace for all archs that use daemon
ftrace: add ftrace warn on to disable ftrace
ftrace: only have ftrace_kill atomic
ftrace: use probe_kernel
ftrace: comment arch ftrace code
ftrace: return error on failed modified text.
ftrace: dynamic ftrace process only text section
...
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git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'kvm-updates/2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm:
KVM: ia64: Makefile fix for forcing to re-generate asm-offsets.h
KVM: Future-proof device assignment ABI
KVM: ia64: Fix halt emulation logic
KVM: Fix guest shared interrupt with in-kernel irqchip
KVM: MMU: sync root on paravirt TLB flush
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
lockdep: fix irqs on/off ip tracing
lockdep: minor fix for debug_show_all_locks()
x86: restore the old swiotlb alloc_coherent behavior
x86: use GFP_DMA for 24bit coherent_dma_mask
swiotlb: remove panic for alloc_coherent failure
xen: compilation fix of drivers/xen/events.c on IA64
xen: portability clean up and some minor clean up for xencomm.c
xen: don't reload cr3 on suspend
kernel/resource: fix reserve_region_with_split() section mismatch
printk: remove unused code from kernel/printk.c
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, memory hotplug: remove wrong -1 in calling init_memory_mapping()
x86: keep the /proc/meminfo page count correct
x86/uv: memory allocation at initialization
xen: fix Xen domU boot with batched mprotect
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Impact: fix AMD Family 11h boot hangs / USB device problems
The AMD Fam11h CPUs have a K8 northbridge. This northbridge is different
from other family's because it lacks GART support (as I just learned).
But the kernel implicitly expects a GART if it finds an AMD northbridge.
Fix this by removing the Fam11h northbridge id from the scan list of K8
northbridges. This patch also changes the message in the GART driver
about missing K8 northbridges to tell that the GART is missing which is
the correct information in this case.
Reported-by: Jouni Malinen <jkmalinen@gmail.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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so users are not confused with memhole causing big total ram
we don't need to worry about 32 bit, because memhole is always
above max_low_pfn.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Impact: fix kdump crash on 32-bit sparsemem kernels
Since linux-2.6.27, kdump has failed on i386 sparsemem kernel.
1st-kernel gets a panic just before switching to 2nd-kernel.
The cause is that a kernel accesses invalid mem_section by
page_to_pfn(image->swap_page) at machine_kexec().
image->swap_page is allocated if kexec for hibernation, but
it is not allocated if kdump. So if kdump, a kernel should
not access the mem_section corresponding to image->swap_page.
The attached patch fixes this invalid access.
Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>
Cc: kexec-ml <kexec@lists.infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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APIC_DEBUG is always 2.
need to update inquire_remote_apic to check apic_verbosity with
it instead.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Removed author's email address from MODULE_AUTHOR.
Signed-off-by: Peter Oruba <peter.oruba@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Removed one author's email address from module init message.
Signed-off-by: Peter Oruba <peter.oruba@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Improve the help text of the X86_PTRACE_BTS config.
Make X86_DS invisible and depend on X86_PTRACE_BTS.
Reported-by: Roland Dreier <rdreier@cisco.com>
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The current defconfig for Linkstation/Kuroboxes has the "Disable Heap
Randomization" option enabled.
Since some of these machines are facing the internet, it helps to have
heap randomization enabled. This patch enables it.
Signed-off-by: Rogério Brito <rbrito@ime.usp.br>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Since Linkstations and Kuroboxes often have *very* little memory (as
they are embedded systems), it is desirable to get their kernels
compiled optimized for size.
Signed-off-by: Rogério Brito <rbrito@ime.usp.br>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The i2c bus defn is broken on linkstation / kurobox machines since at
least 2.6.27. Fix it. Also remove CONFIG_SERIAL_OF_PLATFORM, which, if
enabled, breaks the serial console after the
"console handover: boot [udbg0] -> real [ttyS1]" message.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Fix the HCU4 Kconfig option to 'default n'. We don't want the
board to always be enabled for other board defconfigs.
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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To avoid using stale asm-offsets.h.
Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Common halt logic was changed by x86 and did not update ia64. This patch
updates halt for ia64.
Fixes a regression causing guests to hang with more than 2 vcpus.
Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Every call of kvm_set_irq() should offer an irq_source_id, which is
allocated by kvm_request_irq_source_id(). Based on irq_source_id, we
identify the irq source and implement logical OR for shared level
interrupts.
The allocated irq_source_id can be freed by kvm_free_irq_source_id().
Currently, we support at most sizeof(unsigned long) different irq sources.
[Amit: - rebase to kvm.git HEAD
- move definition of KVM_USERSPACE_IRQ_SOURCE_ID to common file
- move kvm_request_irq_source_id to the update_irq ioctl]
[Xiantao: - Add kvm/ia64 stuff and make it work for kvm/ia64 guests]
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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The pvmmu TLB flush handler should request a root sync, similarly to
a native read-write CR3.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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This code has been dead for many years. The last update it received
was in 2003 in order to update it for the driver model changes, though
it had already been in disarray and unused before that point. The only
boards that ever used this chip have not had users in many years either,
so it is finally safe to just kill it off and move on with life.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The ISA tuning as it is today can not cope with all of the different
variations that are possible, so all we can do is a best attempt based on
the CPU family. The DSP and FPU generation are already at odds with each
other, and the nommu tuning we weren't handling at all. Additionally,
for platforms that never had an FPU, the -nofpu variant never existed,
meaning that we would lose out on family granular tuning completely in
certain cases.
With tat out of the way, we were also using -up versions, allowing for
later instructions that branched off of a particular subset of the ISA,
but are not actually reflected on the hardware being targetted. This
leads to some confusion, and the possibility of bogus instructions on
older parts. Kill that off and lock it down to the family being built
for specifically.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The s390 kernel does not compile if virtio console is enabled, but guest
support is disabled:
LD .tmp_vmlinux1
arch/s390/kernel/built-in.o: In function `setup_arch':
/space/linux-2.5/arch/s390/kernel/setup.c:773: undefined reference to
`s390_virtio_console_init'
The fix is related to
commit 99e65c92f2bbf84f43766a8bf701e36817d62822
Author: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Fri Jul 25 15:50:04 2008 +0200
KVM: s390: Fix guest kconfig
Which changed the build process to build kvm_virtio.c only if CONFIG_S390_GUEST
is set. We must ifdef the prototype in the header file accordingly.
Reported-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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We got a stack overflow with a small stack configuration on a 32 bit
system. It just looks like as 4kb isn't enough and too dangerous.
So lets get rid of 4kb stacks on 32 bit.
But one thing I completely dislike about the call trace below is that
just for debugging or tracing purposes sprintf gets called (cio_start_key):
/* process condition code */
sprintf(dbf_txt, "ccode:%d", ccode);
CIO_TRACE_EVENT(4, dbf_txt);
But maybe its just me who thinks that this could be done better.
<4>Kernel stack overflow.
<4>Modules linked in: dm_multipath sunrpc bonding qeth_l2 dm_mod qeth ccwgroup vmur
<4>CPU: 1 Not tainted 2.6.27-30.x.20081015-s390default #1
<4>Process httpd (pid: 3807, task: 20ae2df8, ksp: 1666fb78)
<4>Krnl PSW : 040c0000 8027098a (number+0xe/0x348)
<4> R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:0 CC:0 PM:0
<4>Krnl GPRS: 00d43318 0027097c 1666f277 9666f270
<4> 00000000 00000000 0000000a ffffffff
<4> 9666f270 1666f228 1666f277 1666f098
<4> 00000002 80270982 80271016 1666f098
<4>Krnl Code: 8027097e: f0340dd0a7f1 srp 3536(4,%r0),2033(%r10),4
<4> 80270984: 0f00 clcl %r0,%r0
<4> 80270986: a7840001 brc 8,80270988
<4> >8027098a: 18ef lr %r14,%r15
<4> 8027098c: a7faff68 ahi %r15,-152
<4> 80270990: 18bf lr %r11,%r15
<4> 80270992: 18a2 lr %r10,%r2
<4> 80270994: 1893 lr %r9,%r3
Modified calltrace with annotated stackframe size of each function:
stackframe size
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0 304 vsnprintf+850 [0x271016]
1 72 sprintf+74 [0x271522]
2 56 cio_start_key+262 [0x2d4c16]
3 56 ccw_device_start_key+222 [0x2dfe92]
4 56 ccw_device_start+40 [0x2dff28]
5 48 raw3215_start_io+104 [0x30b0f8]
6 56 raw3215_write+494 [0x30ba0a]
7 40 con3215_write+68 [0x30bafc]
8 40 __call_console_drivers+146 [0x12b0fa]
9 32 _call_console_drivers+102 [0x12b192]
10 64 release_console_sem+268 [0x12b614]
11 168 vprintk+462 [0x12bca6]
12 72 printk+68 [0x12bfd0]
13 256 __print_symbol+50 [0x15a882]
14 56 __show_trace+162 [0x103d06]
15 32 show_trace+224 [0x103e70]
16 48 show_stack+152 [0x103f20]
17 56 dump_stack+126 [0x104612]
18 96 __alloc_pages_internal+592 [0x175004]
19 80 cache_alloc_refill+776 [0x196f3c]
20 40 __kmalloc+258 [0x1972ae]
21 40 __alloc_skb+94 [0x328086]
22 32 pskb_copy+50 [0x328252]
23 32 skb_realloc_headroom+110 [0x328a72]
24 104 qeth_l2_hard_start_xmit+378 [0x7803bfde]
25 56 dev_hard_start_xmit+450 [0x32ef6e]
26 56 __qdisc_run+390 [0x3425d6]
27 48 dev_queue_xmit+410 [0x331e06]
28 40 ip_finish_output+308 [0x354ac8]
29 56 ip_output+218 [0x355b6e]
30 24 ip_local_out+56 [0x354584]
31 120 ip_queue_xmit+300 [0x355cec]
32 96 tcp_transmit_skb+812 [0x367da8]
33 40 tcp_push_one+158 [0x369fda]
34 112 tcp_sendmsg+852 [0x35d5a0]
35 240 sock_sendmsg+164 [0x32035c]
36 56 kernel_sendmsg+86 [0x32064a]
37 88 sock_no_sendpage+98 [0x322b22]
38 104 tcp_sendpage+70 [0x35cc1e]
39 48 sock_sendpage+74 [0x31eb66]
40 64 pipe_to_sendpage+102 [0x1c4b2e]
41 64 __splice_from_pipe+120 [0x1c5340]
42 72 splice_from_pipe+90 [0x1c57e6]
43 56 generic_splice_sendpage+38 [0x1c5832]
44 48 do_splice_from+104 [0x1c4c38]
45 48 direct_splice_actor+52 [0x1c4c88]
46 80 splice_direct_to_actor+180 [0x1c4f80]
47 72 do_splice_direct+70 [0x1c5112]
48 64 do_sendfile+360 [0x19de18]
49 72 sys_sendfile64+126 [0x19df32]
50 336 sysc_do_restart+18 [0x111a1a]
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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allyesconfig and allmodconfig built kernels have a tape IPL record.
A the vmreader record makes much more sense, since hardly anybody will
ever IPL a kernel from tape. So change the default.
As I side effect I can test these kernels without fiddling around with
the kernel config ;)
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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unsigned ops->size cannot be negative
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Use sysdev_class_create_file() to create create sysdev class attributes
instead of sysfs_create_file(). Using sysfs_create_file() wasn't a very
good idea since the show and store functions have a different amount of
parameters for sysfs files and sysdev class files.
In particular the pointer to the buffer is the last argument and
therefore accesses to random memory regions happened.
Still worked surprisingly well until we got a kernel panic.
Cc: stable@kernel.org
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The current enable_sie code sets the mm->context.pgstes bit to tell
dup_mm that the new mm should have extended page tables. This bit is also
used by the s390 specific page table primitives to decide about the page
table layout - which means context.pgstes has two meanings. This can cause
any kind of bugs. For example - e.g. shrink_zone can call
ptep_clear_flush_young while enable_sie is running. ptep_clear_flush_young
will test for context.pgstes. Since enable_sie changed that value of the old
struct mm without changing the page table layout ptep_clear_flush_young will
do the wrong thing.
The solution is to split pgstes into two bits
- one for the allocation
- one for the current state
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Impact: fix crash with memory hotplug
Shuahua Li found:
| I just did some experiments on a desktop for memory hotplug and this bug
| triggered a crash in my test.
|
| Yinghai's suggestion also fixed the bug.
We don't need to round it, just remove that extra -1
Signed-off-by: Yinghai <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Presently there is very little standing in the way of using an SH-4
toolchain for building an SH-2 kernel, and vice versa. Binutils itself
has no limitations whatsoever and supports explicit ISA hinting, which
we already use with varying degrees of success today.
This leaves GCC as the odd one out, due to a rather dubious policy
decision by the GCC folks to not include all of the CPU family variants
in the default list of multilib targets in GCC4. Despite best efforts to
the contrary, libgcc itself already contains awareness of the various CPU
types and remains generally usable, allowing it to safely be referenced
even on a mismatched target (and indeed, explicit ISA tuning by binutils
keeps us honest in terms of ensuring that we do not link incompatible
objects in).
In order to support this, a couple of changes had to be made. Firstly,
the introduction of MAYBE_DECLARE_EXPORT(), which provides a __weak
extern reference for libgcc resident routines when finer-grained
-m<cpu-family> based tuning is not supported by the toolchain. This
fixes up the __sdivsi3_i4i and __udivsi3_i4i references when dealing
with SH-2 kernels linked with an SH-4 libgcc. Secondly, in case where we
are unable to find a suitable match for CPU family tuning but still
have a toolchain that defaults to FP instruction generation, a suitable
nofpu target must be selected. This is accomplished by selecting the
first nofpu multilib target supported by the toolchain, which is
also necessary for selecting the proper libgcc to link against.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Allow user space to access L2 SRAM.
Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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booted up
Make sure IFLUSH is not the last instruction in the hardware loop to avoid
infinite core stall.
The dcache/icache function that only gets used in writeback mode was putting
IFLUSH as the last instruction in the hardware loop ... we know from design
that this may often lead to inifite core stalling, so switch the FLUSH/IFLUSH
order.
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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The cache code I added flushes 1 line too little if the start address is
not aligned to the cache size. Cache align the start address so that when
we straddle cache aligns, we get the right count.
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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The size of the pm_signal_local array should be equal to the
number of SPUs being configured in the call. Currently, the
array is of size 4 (NR_PHYS_CTRS) but being indexed by a for
loop from 0 to 7 (NUM_SPUS_PER_NODE).
Signed-off-by: Carl Love <carll@us.ibm.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
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Fixes screwing up text output when doing a make oldconfig and viewing
help text of "OProfile AMD IBS support". When the terminal is
not using an UTF8 locale / LANG. "make config" breaks terminal output
and its not possible to continue.
(Change added by changeset 852402cc Tue Jul 22 21:09:06 2008)
Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: Robert Richter <robert.richter@amd.com>
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Impact: get correct page count in /proc/meminfo
found page count in /proc/meminfo is nor correct on 1G system in VirtualBox 2.0.4
# cat /proc/meminfo
MemTotal: 1017508 kB
MemFree: 822700 kB
Buffers: 1456 kB
Cached: 26632 kB
SwapCached: 0 kB
...
Hugepagesize: 2048 kB
DirectMap4k: 4032 kB
DirectMap2M: 18446744073709549568 kB
with this patch get:
...
DirectMap4k: 4032 kB
DirectMap2M: 1044480 kB
which is consistent to kernel_page_tables
---[ Low Kernel Mapping ]---
0xffff880000000000-0xffff880000001000 4K RW PCD GLB x pte
0xffff880000001000-0xffff88000009f000 632K RW GLB x pte
0xffff88000009f000-0xffff8800000a0000 4K RW PCD GLB x pte
0xffff8800000a0000-0xffff880000200000 1408K RW GLB x pte
0xffff880000200000-0xffff88003fe00000 1020M RW PSE GLB x pmd
0xffff88003fe00000-0xffff88003fff0000 1984K RW GLB NX pte
0xffff88003fff0000-0xffff880040000000 64K pte
0xffff880040000000-0xffff888000000000 511G pud
0xffff888000000000-0xffffc20000000000 58880G pgd
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Zhang Le <r0bertz@gentoo.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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When booting Linux on a txx9 board with VxWorks boot loader, it crashes in
prom_getenv(), as VxWorks doesn't pass firmware parameters in a0-a3 (in my
case, the actual leftover values in these registers were 0x80002000,
0x80001fe0, 0x2000, and 0x20).
Make the parsing of argc, argv, and envp a bit more robust by checking if
argc is a number below CKSEG0, and argv/envp point to CKSEG0.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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These functions are completely ineffective.
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Remove runtime db_* macros as we don't need them any more. In general,
such helpers are useful for initial porting, but once approved, they are
not indispensable.
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Current EMMA2RH irq code is mess. Before cleaning it up, gather them
in one place as a first step.
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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