- 24 Sep, 2016 40 commits
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Alexander Shishkin authored
commit 1155bafc upstream. Right now, the kernel address filters in PT are prone to integer overflow that may happen in adding filter's size to its offset to obtain the end of the range. Such an overflow would also throw a #GP in the PT event configuration path. Fix this by explicitly validating the result of this calculation. Reported-by:
Adrian Hunter <adrian.hunter@intel.com> Signed-off-by:
Alexander Shishkin <alexander.shishkin@linux.intel.com> Acked-by:
Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: vince@deater.net Link: http://lkml.kernel.org/r/20160915151352.21306-4-alexander.shishkin@linux.intel.comSigned-off-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Alexander Shishkin authored
commit ddfdad99 upstream. The kernel_ip() filter is used mostly by the DS/LBR code to look at the branch addresses, but Intel PT also uses it to validate the address filter offsets for kernel addresses, for which it is not sufficient: supplying something in bits 64:48 that's not a sign extension of the lower address bits (like 0xf00d000000000000) throws a #GP. This patch adds address validation for the user supplied kernel filters. Reported-by:
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Alexander Shishkin authored
commit 95f60084 upstream. PT address filter configuration requires that a range is specified by its first and last address, but at the moment we're obtaining the end of the range by adding user specified size to its start, which is off by one from what it actually needs to be. Fix this and make sure that zero-sized filters don't pass the filter validation. Reported-by:
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Matt Fleming authored
commit 080fe0b7 upstream. While the Intel PMU monitors the LLC when perf enables the HW_CACHE_REFERENCES and HW_CACHE_MISSES events, these events monitor L1 instruction cache fetches (0x0080) and instruction cache misses (0x0081) on the AMD PMU. This is extremely confusing when monitoring the same workload across Intel and AMD machines, since parameters like, $ perf stat -e cache-references,cache-misses measure completely different things. Instead, make the AMD PMU measure instruction/data cache and TLB fill requests to the L2 and instruction/data cache and TLB misses in the L2 when HW_CACHE_REFERENCES and HW_CACHE_MISSES are enabled, respectively. That way the events measure unified caches on both platforms. Signed-off-by:
Matt Fleming <matt@codeblueprint.co.uk> Acked-by:
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Jiri Olsa authored
commit 79d102cb upstream. Yanqiu Zhang reported kernel panic when using mbm event on system where CQM is detected but without mbm event support, like with perf: # perf stat -e 'intel_cqm/event=3/' -a BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 IP: [<ffffffff8100d64c>] update_sample+0xbc/0xe0 ... <IRQ> [<ffffffff8100d688>] __intel_mbm_event_init+0x18/0x20 [<ffffffff81113d6b>] flush_smp_call_function_queue+0x7b/0x160 [<ffffffff81114853>] generic_smp_call_function_single_interrupt+0x13/0x60 [<ffffffff81052017>] smp_call_function_interrupt+0x27/0x40 [<ffffffff816fb06c>] call_function_interrupt+0x8c/0xa0 ... The reason is that we currently allow to init mbm event even if mbm support is not detected. Adding checks for both cqm and mbm events and support into cqm's event_init. Fixes: 33c3cc7a ("perf/x86/mbm: Add Intel Memory B/W Monitoring enumeration and init") Reported-by:
Yanqiu Zhang <yanqzhan@redhat.com> Signed-off-by:
Jiri Olsa <jolsa@redhat.com> Acked-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Vikas Shivappa <vikas.shivappa@linux.intel.com> Cc: Tony Luck <tony.luck@intel.com> Link: http://lkml.kernel.org/r/1473089407-21857-1-git-send-email-jolsa@kernel.orgSigned-off-by:
Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
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Peter Zijlstra authored
commit 8ef9b845 upstream. Alexander hit the WARN_ON_ONCE(!event) on his Skylake while running the perf fuzzer. This means the PEBSv3 record included a status bit for an inactive event, something that _should_ not happen. Move the code that filters the status bits against our known PEBS events up a spot to guarantee we only deal with events we know about. Further add "continue" statements to the WARN_ON_ONCE()s such that we'll not die nor generate silly events in case we ever do hit them again. Reported-by:
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Giedrius Statkevičius authored
commit e34f2ff4 upstream. A regression was introduced in commit id 79d4db12 ("ath9k: cleanup led_pin initial") that broken the WLAN status led on my laptop with AR9287 after suspending and resuming. Steps to reproduce: * Suspend (laptop) * Resume (laptop) * Observe that the WLAN led no longer turns ON/OFF depending on the status and is always red Even though for my case it only needs to be set to OUT in ath9k_start but for consistency bring back the IN direction setting as well. Fixes: 79d4db12 ("ath9k: cleanup led_pin initial") Cc: Miaoqing Pan <miaoqing@codeaurora.org> Cc: Kalle Valo <kvalo@qca.qualcomm.com> Link: https://bugzilla.kernel.org/show_bug.cgi?id=151711Signed-off-by:
Giedrius Statkevičius <giedrius.statkevicius@gmail.com> [kvalo@qca.qualcomm.com: improve commit log] Signed-off-by:
Kalle Valo <kvalo@qca.qualcomm.com> Signed-off-by:
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Felix Fietkau authored
commit 7711aaf0 upstream. A station pointer can be passed to the driver on tx, before it has been marked as associated. Since ath9k_sta_state was initializing the entry too late, it resulted in some spurious crashes. Fixes: df3c6eb3 ("ath9k: Use sta_state() callback") Signed-off-by:
Felix Fietkau <nbd@nbd.name> Signed-off-by:
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Guoqing Jiang authored
commit 47a7b0d8 upstream. The md-cluster is compiled as module by default, if it is compiled by built-in way, then we can't make md-cluster works. [64782.630008] md/raid1:md127: active with 2 out of 2 mirrors [64782.630528] md-cluster module not found. [64782.630530] md127: Could not setup cluster service (-2) Fixes: edb39c9d ("Introduce md_cluster_operations to handle cluster functions") Reported-by:
Marc Smith <marc.smith@mcc.edu> Reviewed-by:
NeilBrown <neilb@suse.com> Signed-off-by:
Guoqing Jiang <gqjiang@suse.com> Signed-off-by:
Shaohua Li <shli@fb.com> Signed-off-by:
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Arend Van Spriel authored
commit ded89912 upstream. User-space can choose to omit NL80211_ATTR_SSID and only provide raw IE TLV data. When doing so it can provide SSID IE with length exceeding the allowed size. The driver further processes this IE copying it into a local variable without checking the length. Hence stack can be corrupted and used as exploit. Reported-by:
Daxing Guo <freener.gdx@gmail.com> Reviewed-by:
Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by:
Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by:
Franky Lin <franky.lin@broadcom.com> Signed-off-by:
Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by:
Kalle Valo <kvalo@codeaurora.org> Signed-off-by:
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Mathias Nyman authored
commit bcf42aa6 upstream. The stop endpoint command has its own 5 second timeout timer. If the timeout function is triggered between USB3 and USB2 host removal it will try to call usb_hc_died(xhci_to_hcd(xhci)->primary_hcd) the ->primary_hcd will be set to NULL at USB3 hcd removal. Fix this by first checking if the PCI host is being removed, and also by using only xhci_to_hcd() as it will always return the primary hcd. Signed-off-by:
Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by:
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Miklos Szeredi authored
commit 8fba54ae upstream. When reading from a loop device backed by a fuse file it deadlocks on lock_page(). This is because the page is already locked by the read() operation done on the loop device. In this case we don't want to either lock the page or dirty it. So do what fs/direct-io.c does: only dirty the page for ITER_IOVEC vectors. Reported-by:
Sheng Yang <sheng@yasker.org> Fixes: aa4d8616 ("block: loop: switch to VFS ITER_BVEC") Signed-off-by:
Miklos Szeredi <mszeredi@redhat.com> Reviewed-by:
Ashish Samant <ashish.samant@oracle.com> Tested-by:
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Chris Mason authored
commit cbd60aa7 upstream. We use a btrfs_log_ctx structure to pass information into the tree log commit, and get error values out. It gets added to a per log-transaction list which we walk when things go bad. Commit d1433deb added an optimization to skip waiting for the log commit, but didn't take root_log_ctx out of the list. This patch makes sure we remove things before exiting. Signed-off-by:
Chris Mason <clm@fb.com> Fixes: d1433debSigned-off-by:
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Ard Biesheuvel authored
commit 0bd22235 upstream. When calling .import() on a cryptd ahash_request, the structure members that describe the child transform in the shash_desc need to be initialized like they are when calling .init() Signed-off-by:
Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Will Deacon authored
commit 872c63fb upstream. smp_mb__before_spinlock() is intended to upgrade a spin_lock() operation to a full barrier, such that prior stores are ordered with respect to loads and stores occuring inside the critical section. Unfortunately, the core code defines the barrier as smp_wmb(), which is insufficient to provide the required ordering guarantees when used in conjunction with our load-acquire-based spinlock implementation. This patch overrides the arm64 definition of smp_mb__before_spinlock() to map to a full smp_mb(). Cc: Peter Zijlstra <peterz@infradead.org> Reported-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
Will Deacon <will.deacon@arm.com> Signed-off-by:
Catalin Marinas <catalin.marinas@arm.com> Signed-off-by:
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Johan Hovold authored
commit 23540d6e upstream. A recent commit (inadvertently?) changed how failed probe of a gpmc child node was handled. Instead of proceeding with setting up any other children as before, a single error now aborts the whole process. This change broke networking on some Overo boards due to probe failing for an unrelated nand node. This second issue should obviously be fixed, but let's restore the old behaviour of allowing child-node probe to fail to avoid further similar breakage on other systems. Fixes: d2d00862 ("memory: omap-gpmc: Support general purpose input for WAITPINs") Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
Roger Quadros <rogerq@ti.com> Signed-off-by:
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Icenowy Zheng authored
commit 486095fa upstream. PG8, PG9 is said to be the CTS/RTS pins for UART1 according to the A23/33 datasheets. However, the function is wrongly named "uart2" in the pinctrl driver. This patch fixes this by modifying them to be named "uart1". Signed-off-by:
Icenowy Zheng <icenowy@aosc.xyz> Acked-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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James Hartley authored
commit a32ac291 upstream. A previous patch attempted to fix the pinmuxes for mfio 84 - 89, but it omitted a change to pistachio_pin_group pistachio_groups, which results in incorrect pll_lock signals being routed. Apply the correct mux settings throughout the driver. fixes: cefc03e5 ("pinctrl: Add Pistachio SoC pin control driver") fixes: e9adb336 ("pinctrl: pistachio: fix mfio84-89 function description and pinmux.") Signed-off-by:
James Hartley <james.hartley@imgtec.com> Reviewed-by:
Sifan Naeem <Sifan.Naeem@imgtec.com> Signed-off-by:
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Mikulas Patocka authored
commit 4e870e94 upstream. When dm-crypt processes writes, it allocates a new bio in crypt_alloc_buffer(). The bio is allocated from a bio set and it can have at most BIO_MAX_PAGES vector entries, however the incoming bio can be larger (e.g. if it was allocated by bcache). If the incoming bio is larger, bio_alloc_bioset() fails and an error is returned. To avoid the error, we test for a too large bio in the function crypt_map() and use dm_accept_partial_bio() to split the bio. dm_accept_partial_bio() trims the current bio to the desired size and asks DM core to send another bio with the rest of the data. Signed-off-by:
Mikulas Patocka <mpatocka@redhat.com> Signed-off-by:
Mike Snitzer <snitzer@redhat.com> Signed-off-by:
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Mikulas Patocka authored
commit a5d60783 upstream. Move log_one_block()'s atomic_inc(&lc->io_blocks) before bio_alloc() to fix a bug that the target hangs if bio_alloc() fails. The error path does put_io_block(lc), so atomic_inc(&lc->io_blocks) must occur before invoking the error path to avoid underflow of lc->io_blocks. Signed-off-by:
Josef Bacik <jbacik@fb.com> Signed-off-by:
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Eric Biggers authored
commit 5d0be84e upstream. If crypt_alloc_tfms() had to allocate multiple tfms and it failed before the last allocation, then it would call crypt_free_tfms() and could free pointers from uninitialized memory -- due to the crypt_free_tfms() check for non-zero cc->tfms[i]. Fix by allocating zeroed memory. Signed-off-by:
Eric Biggers <ebiggers@google.com> Signed-off-by:
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Vladimir Zapolskiy authored
commit 91e630d9 upstream. The kthread_run() function returns either a valid task_struct or ERR_PTR() value, check for NULL is invalid. This change fixes potential for oops, e.g. in OOM situation. Signed-off-by:
Vladimir Zapolskiy <vz@mleia.com> Signed-off-by:
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Pawel Moll authored
commit b928466b upstream. The code setting XP watchpoint comparator and mask registers should, in order to be fully compliant with specification, zero one or more most significant bits of each field. In both L cases it means zeroing bit 63. The bitmask doing this was wrong, though, zeroing bit 60 instead. Fortunately, due to a lucky coincidence, this turned out to be fairly innocent with the existing hardware. Fixed now. Signed-off-by:
Pawel Moll <pawel.moll@arm.com> Signed-off-by:
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Pawel Moll authored
commit b7c1beb2 upstream. Fuzzing the CCN perf driver revealed a small but definitely dangerous mistake in the event setup code. When a cycle counter is requested, the driver should not reconfigure the events bus at all, otherwise it will corrupt (in most but the simplest cases) its configuration and may end up accessing XP array out of its bounds and corrupting control registers. Reported-by:
Mark Rutland <mark.rutland@arm.com> Reviewed-by:
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Pawel Moll authored
commit 4e486cba upstream. The "Miscellaneous Node" fell through cracks of node initialisation, as its ID is shared with HN-I. This patch treats MN as a special case (which it is), adding separate validation check for it and pre-defining the node ID in relevant events descriptions. That way one can simply run: # perf stat -a -e ccn/mn_ecbarrier/ <workload> Additionally, direction in the MN pseudo-events XP watchpoint definitions is corrected to be "TX" (1) as they are defined from the crosspoint point of view (thus barriers are transmitted from XP to MN). Signed-off-by:
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Lee Jones authored
commit 78567f13 upstream. The STiH4{07,10} platform contains some interconnect clocks which are used by various IPs. If these clocks aren't handled correctly by ST's SDHCI driver MMC will break and the following output can be observed: [ 13.916949] mmc0: Timeout waiting for hardware interrupt. [ 13.922349] sdhci: =========== REGISTER DUMP (mmc0)=========== [ 13.928175] sdhci: Sys addr: 0x00000000 | Version: 0x00001002 [ 13.933999] sdhci: Blk size: 0x00007040 | Blk cnt: 0x00000001 [ 13.939825] sdhci: Argument: 0x00fffff0 | Trn mode: 0x00000013 [ 13.945650] sdhci: Present: 0x1fff0206 | Host ctl: 0x00000011 [ 13.951475] sdhci: Power: 0x0000000f | Blk gap: 0x00000080 [ 13.957300] sdhci: Wake-up: 0x00000000 | Clock: 0x00003f07 [ 13.963126] sdhci: Timeout: 0x00000004 | Int stat: 0x00000000 [ 13.968952] sdhci: Int enab: 0x02ff008b | Sig enab: 0x02ff008b [ 13.974777] sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000 [ 13.980602] sdhci: Caps: 0x21ed3281 | Caps_1: 0x00000000 [ 13.986428] sdhci: Cmd: 0x0000063a | Max curr: 0x00000000 [ 13.992252] sdhci: Host ctl2: 0x00000000 [ 13.996166] sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x7c048200 [ 14.001990] sdhci: =========================================== [ 14.009802] mmc0: Got data interrupt 0x02000000 even though no data operation was in progress. Tested-by:
Peter Griffin <peter.griffin@linaro.org> Signed-off-by:
Lee Jones <lee.jones@linaro.org> Acked-by:
Patrice Chotard <patrice.chotard@st.com> Signed-off-by:
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Johan Hovold authored
commit 153b58ea upstream. The gpmc ranges property for NAND at CS0 was being overridden by later includes that defined gpmc ethernet nodes, effectively breaking NAND on these systems: omap-gpmc 6e000000.gpmc: /ocp/gpmc@6e000000/nand@0,0 has malformed 'reg' property Instead of redefining the NAND range in every such dtsi, define all currently used ranges in omap3-overo-base.dtsi. Fixes: 98ce6007 ("ARM: dts: overo: Support PoP NAND") Signed-off-by:
Tony Lindgren <tony@atomide.com> Signed-off-by:
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Johan Hovold authored
commit 5e0568df upstream. The gpmc ranges property for NAND at CS0 has been broken since it was first added. This currently prevents the nand gpmc child node from being probed: omap-gpmc 6e000000.gpmc: /ocp/gpmc@6e000000/nand@0,0 has malformed 'reg' property and consequently the NAND device from being registered. Fixes: 98ce6007 ("ARM: dts: overo: Support PoP NAND") Signed-off-by:
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Russell King authored
commit d9fd3c91 upstream. Currently, the ports as seen from the rear number as: eth0 sfp lan5 lan4 lan3 lan2 lan1 lan6 which is illogical - this came about because the rev 2.0 boards have the LEDs on the front for the DSA switch (lan5-1) reversed. Rev 2.1 boards fixed the LED issue, and the Clearfog case numbers the lan ports increasing from left to right. Maintaining this illogical numbering causes confusion, with reports that "my link isn't coming up" and "my connection negotiates 10base-Half" both of which are due to people thinking that the port next to the SFP is lan1. Fix this by renumbering the ports to match people's expectations. [gregory.clement@free-electrons.com: added the Fixes and stable tags] Fixes: 4c945e85 ("ARM: dts: Add SolidRun Armada 388 Clearfog A1 DT file") Signed-off-by:
Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Signed-off-by:
Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by:
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Fabio Estevam authored
commit f065e9e4 upstream. Commit 833f2cbf ("ARM: dts: imx6: change the core clock of spdif") changed many more clocks than only the SPDIF core clock as stated in the commit message. The MLB clock has been added and this causes SPDIF regression as reported by Xavi Drudis Ferran and also in this forum post: https://forum.digikey.com/thread/34240 The MX6Q Reference Manual does not mention that MLB is a clock related to SPDIF, so change it back to a dummy clock to restore SPDIF functionality. Thanks to Ambika for providing the fix at: https://community.nxp.com/thread/387131 Fixes: 833f2cbf ("ARM: dts: imx6: change the core clock of spdif") Reported-by:
Xavi Drudis Ferran <xdrudis@tinet.cat> Signed-off-by:
Fabio Estevam <fabio.estevam@nxp.com> Tested-by:
Shawn Guo <shawnguo@kernel.org> Signed-off-by:
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Gregory CLEMENT authored
commit c721da1d upstream. While converting PCIe node on kirkwood by using label, the following commit eb13cf83 ("ARM: dts: kirkwood: Fixup pcie DT warnings") introduced a regression on the OpenRD boards: the PCIe didn't work anymore. As reported by Aaro Koskinen, the display/framebuffer was lost. This commit adds the forgotten label. Reported-by:
Aaro Koskinen <aaro.koskinen@iki.fi> Tested-by:
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Sebastian Reichel authored
commit b46211d6 upstream. Add missing sysconfig/sysstatus information to OMAP3 hwmod. The information has been checked against OMAP34xx and OMAP36xx TRM. Without this change DSI block is not reset during boot, which is required for working Nokia N950 display. Signed-off-by:
Sebastian Reichel <sre@kernel.org> Signed-off-by:
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Simon Baatz authored
commit a7789378 upstream. Commit 148c274e ("ARM: kirkwood: ib62x0: add u-boot environment partition") split the "u-boot" partition into "u-boot" and "u-boot environment". However, instead of the size of the environment, an offset was given, resulting in overlapping partitions. Signed-off-by:
Simon Baatz <gmbnomis@gmail.com> Fixes: 148c274e ("ARM: kirkwood: ib62x0: add u-boot environment partition") Cc: Jason Cooper <jason@lakedaemon.net> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Gregory Clement <gregory.clement@free-electrons.com> Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Cc: Luka Perkov <luka@openwrt.org> Reviewed-by:
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Anson Huang authored
commit 8aade778 upstream. i.MX6SX has bypass PMIC ready function, as this function is normally NOT enabled on the board design, so we need to bypass the PMIC ready pin check during DSM mode resume flow, otherwise, the internal DSM resume logic will be waiting for this signal to be ready forever and cause resume fail. Signed-off-by:
Anson Huang <Anson.Huang@nxp.com> Fixes: ff843d62 ("ARM: imx: add suspend support for i.mx6sx") Tested-by:
Peter Chen <peter.chen@nxp.com> Signed-off-by:
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Peter Chen authored
commit f5a49057 upstream. There is a missing BM_CLPCR_BYP_MMDC_CH0_LPM_HS setting for imx6ul, without it, the "standby" mode can't work well, the system can't be resumed. With this commit, the "standby" mode works well. Signed-off-by:
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Keerthy authored
commit b00ccf5b upstream. pruss hwmod RSTST register wrongly points to PWRSTCTRL register in case of am43xx. Fix the RSTST register offset value. This can lead to setting of wrong power state values for PER domain. Fixes: 1c7e224d ("ARM: OMAP2+: hwmod: AM335x: runtime register update") Signed-off-by:
Keerthy <j-keerthy@ti.com> Signed-off-by:
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Caesar Wang authored
commit 3d4267a5 upstream. SARADC controller needs to be reset before programming it, otherwise it will not function properly. Signed-off-by:
Caesar Wang <wxt@rock-chips.com> Acked-by:
Heiko Stuebner <heiko@sntech.de> Signed-off-by:
Jonathan Cameron <jic23@kernel.org> Signed-off-by:
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Zefan Li authored
commit 06f4e948 upstream. A new task inherits cpus_allowed and mems_allowed masks from its parent, but if someone changes cpuset's config by writing to cpuset.cpus/cpuset.mems before this new task is inserted into the cgroup's task list, the new task won't be updated accordingly. Signed-off-by:
Zefan Li <lizefan@huawei.com> Signed-off-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
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Harini Katakam authored
commit c5181895 upstream. USRIO and JUMBO CAPS have the same mask. Fix the same. Fixes: ce721a70 ("net: ethernet: cadence-macb: Add disabled usrio caps") Signed-off-by:
Harini Katakam <harinik@xilinx.com> Acked-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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David Daney authored
commit 1423661f upstream. The ethtool_ops .get_regs function attempts to read the nonexistent register NIC_QSET_SQ_0_7_CNM_CHG, which produces a "bus error" type OOPs. Fix by not attempting to read, and removing the definition of, NIC_QSET_SQ_0_7_CNM_CHG. A zero is written into the register dump to keep the layout unchanged. Signed-off-by:
David Daney <david.daney@cavium.com> Signed-off-by:
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