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No matter what kind of header mangling occurs due to IP options
processing, rt->rt_dst will always equal iph->daddr in the packet.
So we can safely use iph->daddr instead of rt->rt_dst here.
Signed-off-by: David S. Miller <davem@davemloft.net>
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We already copy the 4-byte nexthop from the options block into
local variable "nexthop" for the route lookup.
Re-use that variable instead of memcpy()'ing again when assigning
to iph->daddr after the route lookup succeeds.
Signed-off-by: David S. Miller <davem@davemloft.net>
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All call sites conditionalize the call to ip_options_rcv_srr()
with a check of opt->srr, so no need to check it again there.
Signed-off-by: David S. Miller <davem@davemloft.net>
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alg_data is already a pointer which must be passed directly.
Reported-by: Dieter Ripp <ripp@systecnet.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ben Dooks <ben-i2c@fluff.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Since commit e9df2e8fd8fbc9 (Use appropriate sock tclass setting for
routing lookup) we lost ability to properly add ECN codemarks to ipv6
TCP frames.
It seems like TCP_ECN_send() calls INET_ECN_xmit(), which only sets the
ECN bit in the IPv4 ToS field (inet_sk(sk)->tos), but after the patch,
what's checked is inet6_sk(sk)->tclass, which is a completely different
field.
Close bug https://bugzilla.kernel.org/show_bug.cgi?id=34322
[Eric Dumazet] : added the INET_ECN_dontxmit() fix and replace macros
by inline functions for clarity.
Signed-off-by: Steinar H. Gunderson <sgunderson@bigfoot.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This should also fix updating of vlan_features and propagating changes to
VLAN devices on the bond.
Side effect: it allows user to force-disable some offloads on the bond
interface.
Note: NETIF_F_VLAN_CHALLENGED is managed by bond_fix_features() now.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It will be needed by bonding and other drivers changing vlan_features
after ndo_init callback.
As a bonus, this includes kernel-doc for netdev_update_features().
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Changes:
- while making NTB, driver shall check if device dwNtbOutMaxSize is higher than
host value and shall add a short packet if this is the case
- previous temporary patch for this issue is replaced by this one
Signed-off-by: Alexey Orishko <alexey.orishko@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove all remaining references to rt->rt_{src,dst}
by using dest->dst_saddr to cache saddr (used for TUN mode).
For ICMP in FORWARD hook just restrict the rt_mode for NAT
to disable LOCALNODE. All other modes do not allow
IP_VS_RT_MODE_RDR, so we should be safe with the ICMP
forwarding. Using cp->daddr as replacement for rt_dst
is safe for all modes except BYPASS, even when cp->dest is
NULL because it is cp->daddr that is used to assign cp->dest
for sync-ed connections.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We can simply track what destination address is used based upon which
code block is taken at the top of the function.
Signed-off-by: David S. Miller <davem@davemloft.net>
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[ Add some cases I missed, from Julian Anastasov ]
Signed-off-by: David S. Miller <davem@davemloft.net>
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kptr_restrict has been triggering bugs in apps such as perf, and it also makes
the system less useful by default, so turn it off by default.
This is how we generally handle security features that remove functionality,
such as firewall code or SELinux - they have to be configured and activated
from user-space.
Distributions can turn kptr_restrict on again via this line in
/etc/sysctrl.conf:
kernel.kptr_restrict = 1
( Also mark the variable __read_mostly while at it, as it's typically modified
only once per bootup, or not at all. )
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When p9pdu_readf() is called with "s" attribute, it allocates a pointer that
will store a string. In p9dirent_read(), this pointer is not being released,
leading to out of memory errors.
This patch releases this pointer after string is copyed to dirent->d_name.
Signed-off-by: Pedro Scarapicchia Junior <pedro.scarapiccha@br.flextronics.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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This patch adds tg3_set_features() to handle loopback mode. Currently the
capability is added for the devices which support internal MAC loopback mode.
So when enabled, it enables internal-MAC loopback.
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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use tty_insert_flip_string and tty_flip_buffer_push to deliver incoming data
packets from the IrDA device instead of delivering the packets directly to the
line discipline. Following later approach resulted in warning "Sleeping function
called from invalid context".
Signed-off-by: Amit Virdi <amit.virdi@st.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Michał Mirosław's patch (http://patchwork.ozlabs.org/patch/94421/) fixes the
issue (http://patchwork.ozlabs.org/patch/94188/) about not populating FCoE related
flags correctly on vlan devices. However, only NETIF_F_FCOE_CRC is part of the
NETIF_F_ALL_TX_OFFLOADS right now, where weed NETIF_F_FCOE_MTU and NETIF_F_FSO
as well.
Therefore, add NETIF_F_ALL_FCOE to indicate feature flags used by FCoE TX offloads.
These include NETIF_F_FCOE_CRC, NETIF_F_FCOE_MTU, and NETIF_F_FSO and add them to
be part of NETIF_F_ALL_TX_OFFLOADS. This would eventually make sure all FCoE needed
flags are populated properly to vlan devices.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix VLAN features propagation for devices which change vlan_features.
For this to work, driver needs to make sure netdev_features_changed()
gets called after the change (it is e.g. after ndo_set_features()).
Side effect is that a user might request features that will never
be enabled on a VLAN device.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The issue was introduced in commit eed2a12f1ed9aabf.
Signed-off-by: Franco Fichtner <franco@lastsummer.de>
Acked-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When removing last vlan from a device, garp_uninit_applicant() calls
synchronize_rcu() to make sure no user can still manipulate struct
garp_applicant before we free it.
Use call_rcu() instead, as a step to further net_device dismantle
optimizations.
Add the temporary garp_cleanup_module() function to make sure no pending
call_rcu() are left at module unload time [ this will be removed when
kfree_rcu() is available ]
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a fix for the SGI Altix-UV Broadcast Assist Unit code,
which is used for TLB flushing.
Certain hardware configurations (that customers are ordering)
cause nasids (numa address space id's) to be non-consecutive.
Specifically, once you have more than 4 blades in a IRU
(Individual Rack Unit - or 1/2 rack) but less than the maximum
of 16, the nasid numbering becomes non-consecutive. This
currently results in a 'catastrophic error' (CATERR) detected by
the firmware during OS boot. The BAU is generating an 'INTD'
request that is targeting a non-existent nasid value. Such
configurations may also occur when a blade is configured off
because of hardware errors. (There is one UV hub per blade.)
This patch is required to support such configurations.
The problem with the tlb_uv.c code is that is using the
consecutive hub numbers as indices to the BAU distribution bit
map. These are simply the ordinal position of the hub or blade
within its partition. It should be using physical node numbers
(pnodes), which correspond to the physical nasid values. Use of
the hub number only works as long as the nasids in the partition
are consecutive and increase with a stride of 1.
This patch changes the index to be the pnode number, thus
allowing nasids to be non-consecutive.
It also provides a table in local memory for each cpu to
translate target cpu number to target pnode and nasid.
And it improves naming to properly reflect 'node' and 'uvhub'
versus 'nasid'.
Signed-off-by: Cliff Wickman <cpw@sgi.com>
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/r/E1QJmxX-0002Mz-Fk@eag09.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Resending this patch with few changes.
Avoid multiple queues when MSI or MSI-X not available
Limit number of Tx queues to 1 if MSI/MSI-X support is not configured in
the kernel. This will make number of tx and rx queues equal when MSI/X
is not configured thus providing better performance.
Signed-off-by: Bhavesh Davda <bhavesh@vmware.com>
Signed-off-by: Shreyas N Bhatewara <sbhatewara@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It's already known non-null above.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This variable only needs initialization when cmsgs.info
is NULL.
Use memset to ensure padding is also zeroed so
kernel doesn't leak any data.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While trying to remove useless synchronize_rcu() calls, I found l2tp is
indeed incorrectly using two of such calls, but also bumps tunnel
refcount after list insertion.
tunnel refcount must be incremented before being made publically visible
by rcu readers.
This fix can be applied to 2.6.35+ and might need a backport for older
kernels, since things were shuffled in commit fd558d186df2c
(l2tp: Split pppol2tp patch into separate l2tp and ppp parts)
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
CC: James Chapman <jchapman@katalix.com>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cleanup code/data sections definitions
accordingly to include/linux/init.h.
Signed-off-by: Daniel Kiper <dkiper@net-space.pl>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Cleanup code/data sections definitions
accordingly to include/linux/init.h.
Signed-off-by: Daniel Kiper <dkiper@net-space.pl>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Cleanup code/data sections definitions
accordingly to include/linux/init.h.
Signed-off-by: Daniel Kiper <dkiper@net-space.pl>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Various merges over time have led to rather a mish-mash of indentation.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: xen-devel@lists.xensource.com
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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This flag is not used anymore, remove it from the list.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The current firmware only supports scheduled scan in station mode and
when idle. To prevent the firmware from crashing, return -EOPNOTSUPP
when sched_scan start is called in an invalid state.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add the sched_scanning value to the driver_status debugfs entry.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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This patch adds the mac80211 operations for scheduled scan and the
scheduled scan results reporting.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add firmware command structures, definitions and code to to configure,
start and stop scheduled scans.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Subscribe and listen to PERIODIC_SCAN_REPORT_EVENT_ID and
PERIODIC_SCAN_COMPLETE_EVENT_ID in preparation for the scheduled scan
implementation.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add the structures and values for driver-configured scheduled scan
parameters.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Set the spectrum management bit in the hw flags so that mac80211 will
set the WLAN_CAPABILITY_SPECTRUM_MGMT bit in association requests
(which in practice means that we support 802.11h spectrum management).
[Reworded the commit log -- Luca.]
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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This patch adds a beacon filter rule to pass up the beacons that
contain changed HT information elements. These beacons need to be
passed to mac80211 so that it can act on such changes.
[Reworded commit log -- Luca.]
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Simplify wl1271_ssid_set by re-using cfg80211_find_ie instead of
reimplementing it.
Additionally, add a length check to prevent a potential buffer overflow.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Changeset dcd39c90290297f6e6ed8a04bb20da7ac2b043c5 ("ne-h8300: convert to
net_device_ops") broke ne-h8300 by adding 8390.o to the link. That
meant that lib8390.c was included twice, once in ne-h8300.c and once in
8390.c, subject to different macros. This patch reverts that by
avoiding the wrappers in 8390.c.
Fix based on commits 217cbfa856dc1cbc2890781626c4032d9e3ec59f ("mac8390:
fix regression caused during net_device_ops conversion") and
4e0168fa4842e27795a75b205a510f25b62181d9 ("mac8390: fix build with
NET_POLL_CONTROLLER").
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: stable@kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Changeset 5618f0d1193d6b051da9b59b0e32ad24397f06a4 ("hydra: convert to
net_device_ops") broke hydra by adding 8390.o to the link. That
meant that lib8390.c was included twice, once in hydra.c and once in
8390.c, subject to different macros. This patch reverts that by
avoiding the wrappers in 8390.c.
Fix based on commits 217cbfa856dc1cbc2890781626c4032d9e3ec59f ("mac8390:
fix regression caused during net_device_ops conversion") and
4e0168fa4842e27795a75b205a510f25b62181d9 ("mac8390: fix build with
NET_POLL_CONTROLLER").
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: stable@kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Changeset b6114794a1c394534659f4a17420e48cf23aa922 ("zorro8390: convert to
net_device_ops") broke zorro8390 by adding 8390.o to the link. That
meant that lib8390.c was included twice, once in zorro8390.c and once in
8390.c, subject to different macros. This patch reverts that by
avoiding the wrappers in 8390.c.
Fix based on commits 217cbfa856dc1cbc2890781626c4032d9e3ec59f ("mac8390:
fix regression caused during net_device_ops conversion") and
4e0168fa4842e27795a75b205a510f25b62181d9 ("mac8390: fix build with
NET_POLL_CONTROLLER").
Reported-by: Christian T. Steigies <cts@debian.org>
Suggested-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Christian T. Steigies <cts@debian.org>
Cc: stable@kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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add/remove when blocks are larger than PAGES_PER_SECTION"
drivers/base/memory.c: In function 'memory_block_change_state':
drivers/base/memory.c:281: warning: unused variable 'i'
less beer, more testing
Cc: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-2.6
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The filename_trans rule processing has some printk(KERN_ERR ) messages
which were intended as debug aids in creating the code but weren't removed
before it was submitted. Remove them.
Reported-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Eric Paris <eparis@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'fix/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ASoC: WM8903: Fix Digital Capture Volume range
ASoC: UDA134x: Remove POWER_OFF_ON_STANDBY define.
ASoC: SSM2602: Fix reg_cache_size
ASoC: SSM2602: Fix 'Mic Boost2' control
ASoC: SSM2602: Properly annotate i2c probe and remove functions
ASoC: sst_platform: add hw_free callback to fix resource leak
ASoC: Don't crash on PM operations
ASoC: JZ4740: Fix i2s shutdown
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
* 'stable/bug-fixes-for-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
x86/mm: Fix section mismatch derived from native_pagetable_reserve()
x86,xen: introduce x86_init.mapping.pagetable_reserve
Revert "xen/mmu: Add workaround "x86-64, mm: Put early page table high""
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This reverts commit 49183b2818de6899383bb82bc032f9344d6791ff.
Quoth Franz Melchior:
"This patch introduces a bug on my infamous "Acer Travelmate
5735Z-452G32Mnss": when KMS takes over, the frame buffer contents get
completely garbled up on screen, with colored stripes and unreadable
text (photo on request). Only when X11 is started, the screen gets
restored again. Closing and re-opening the lid partly cures the
mess, too: it makes the font readable, though horizontally stretched."
Acked-by: Keith Packard <keithp@keithp.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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.. when applicable. We need to track in the p2m_mfn and
p2m_mfn_p the MFNs and pointers, respectivly, for the P2M entries
that are allocated for the identity mappings. Without this,
a PV domain with an E820 that triggers the 1-1 mapping to kick in,
won't be able to be restored as the P2M won't have the identity
mappings.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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git commit 24bdb0b62cc82120924762ae6bc85afc8c3f2b26 (xen: do not create
the extra e820 region at an addr lower than 4G) does not take into
account that ifdef CONFIG_X86_32 instead of e820_end_of_low_ram_pfn()
find_low_pfn_range() is called (both calls are from arch/x86/kernel/setup.c).
find_low_pfn_range() behaves correctly and does not require change in
xen_extra_mem_start initialization. Additionally, if xen_extra_mem_start
is initialized in the same way as ifdef CONFIG_X86_64 then memory hotplug
support for Xen balloon driver (under development) is broken.
Signed-off-by: Daniel Kiper <dkiper@net-space.pl>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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When we parse the raw E820, the Xen hypervisor can set "E820_RAM"
to "E820_UNUSABLE" if the mem=X argument is used. As such we
should _not_ consider the E820_UNUSABLE as an 1-1 identity
mapping, but instead use the same case as for E820_RAM.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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