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Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
@@ -69,6 +69,7 @@ Jean Tourrilhes <jt@hpl.hp.com>
|
||||
Jeff Garzik <jgarzik@pretzel.yyz.us>
|
||||
Jens Axboe <axboe@suse.de>
|
||||
Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
|
||||
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
|
||||
John Stultz <johnstul@us.ibm.com>
|
||||
<josh@joshtriplett.org> <josh@freedesktop.org>
|
||||
<josh@joshtriplett.org> <josh@kernel.org>
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||||
|
||||
@@ -32,6 +32,10 @@ Optional properties:
|
||||
- target-supply : regulator for SATA target power
|
||||
- phys : reference to the SATA PHY node
|
||||
- phy-names : must be "sata-phy"
|
||||
- ports-implemented : Mask that indicates which ports that the HBA supports
|
||||
are available for software to use. Useful if PORTS_IMPL
|
||||
is not programmed by the BIOS, which is true with
|
||||
some embedded SOC's.
|
||||
|
||||
Required properties when using sub-nodes:
|
||||
- #address-cells : number of cells to encode an address
|
||||
|
||||
@@ -45,13 +45,13 @@ Required properties:
|
||||
Optional properties:
|
||||
- dual_emac_res_vlan : Specifies VID to be used to segregate the ports
|
||||
- mac-address : See ethernet.txt file in the same directory
|
||||
- phy_id : Specifies slave phy id
|
||||
- phy_id : Specifies slave phy id (deprecated, use phy-handle)
|
||||
- phy-handle : See ethernet.txt file in the same directory
|
||||
|
||||
Slave sub-nodes:
|
||||
- fixed-link : See fixed-link.txt file in the same directory
|
||||
Either the property phy_id, or the sub-node
|
||||
fixed-link can be specified
|
||||
|
||||
Note: Exactly one of phy_id, phy-handle, or fixed-link must be specified.
|
||||
|
||||
Note: "ti,hwmods" field is used to fetch the base address and irq
|
||||
resources from TI, omap hwmod data base during device registration.
|
||||
|
||||
@@ -6,7 +6,7 @@ This is the driver for the Altera Triple-Speed Ethernet (TSE) controllers
|
||||
using the SGDMA and MSGDMA soft DMA IP components. The driver uses the
|
||||
platform bus to obtain component resources. The designs used to test this
|
||||
driver were built for a Cyclone(R) V SOC FPGA board, a Cyclone(R) V FPGA board,
|
||||
and tested with ARM and NIOS processor hosts seperately. The anticipated use
|
||||
and tested with ARM and NIOS processor hosts separately. The anticipated use
|
||||
cases are simple communications between an embedded system and an external peer
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for status and simple configuration of the embedded system.
|
||||
|
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@@ -65,14 +65,14 @@ Driver parameters can be also passed in command line by using:
|
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4.1) Transmit process
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||||
When the driver's transmit routine is called by the kernel, it sets up a
|
||||
transmit descriptor by calling the underlying DMA transmit routine (SGDMA or
|
||||
MSGDMA), and initites a transmit operation. Once the transmit is complete, an
|
||||
MSGDMA), and initiates a transmit operation. Once the transmit is complete, an
|
||||
interrupt is driven by the transmit DMA logic. The driver handles the transmit
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||||
completion in the context of the interrupt handling chain by recycling
|
||||
resource required to send and track the requested transmit operation.
|
||||
|
||||
4.2) Receive process
|
||||
The driver will post receive buffers to the receive DMA logic during driver
|
||||
intialization. Receive buffers may or may not be queued depending upon the
|
||||
initialization. Receive buffers may or may not be queued depending upon the
|
||||
underlying DMA logic (MSGDMA is able queue receive buffers, SGDMA is not able
|
||||
to queue receive buffers to the SGDMA receive logic). When a packet is
|
||||
received, the DMA logic generates an interrupt. The driver handles a receive
|
||||
|
||||
@@ -69,18 +69,18 @@ LCO: Local Checksum Offload
|
||||
LCO is a technique for efficiently computing the outer checksum of an
|
||||
encapsulated datagram when the inner checksum is due to be offloaded.
|
||||
The ones-complement sum of a correctly checksummed TCP or UDP packet is
|
||||
equal to the sum of the pseudo header, because everything else gets
|
||||
'cancelled out' by the checksum field. This is because the sum was
|
||||
equal to the complement of the sum of the pseudo header, because everything
|
||||
else gets 'cancelled out' by the checksum field. This is because the sum was
|
||||
complemented before being written to the checksum field.
|
||||
More generally, this holds in any case where the 'IP-style' ones complement
|
||||
checksum is used, and thus any checksum that TX Checksum Offload supports.
|
||||
That is, if we have set up TX Checksum Offload with a start/offset pair, we
|
||||
know that _after the device has filled in that checksum_, the ones
|
||||
know that after the device has filled in that checksum, the ones
|
||||
complement sum from csum_start to the end of the packet will be equal to
|
||||
_whatever value we put in the checksum field beforehand_. This allows us
|
||||
to compute the outer checksum without looking at the payload: we simply
|
||||
stop summing when we get to csum_start, then add the 16-bit word at
|
||||
(csum_start + csum_offset).
|
||||
the complement of whatever value we put in the checksum field beforehand.
|
||||
This allows us to compute the outer checksum without looking at the payload:
|
||||
we simply stop summing when we get to csum_start, then add the complement of
|
||||
the 16-bit word at (csum_start + csum_offset).
|
||||
Then, when the true inner checksum is filled in (either by hardware or by
|
||||
skb_checksum_help()), the outer checksum will become correct by virtue of
|
||||
the arithmetic.
|
||||
|
||||
@@ -8,7 +8,7 @@ Initial Release:
|
||||
This is conceptually very similar to the macvlan driver with one major
|
||||
exception of using L3 for mux-ing /demux-ing among slaves. This property makes
|
||||
the master device share the L2 with it's slave devices. I have developed this
|
||||
driver in conjuntion with network namespaces and not sure if there is use case
|
||||
driver in conjunction with network namespaces and not sure if there is use case
|
||||
outside of it.
|
||||
|
||||
|
||||
@@ -42,7 +42,7 @@ out. In this mode the slaves will RX/TX multicast and broadcast (if applicable)
|
||||
as well.
|
||||
|
||||
4.2 L3 mode:
|
||||
In this mode TX processing upto L3 happens on the stack instance attached
|
||||
In this mode TX processing up to L3 happens on the stack instance attached
|
||||
to the slave device and packets are switched to the stack instance of the
|
||||
master device for the L2 processing and routing from that instance will be
|
||||
used before packets are queued on the outbound device. In this mode the slaves
|
||||
@@ -56,7 +56,7 @@ situations defines your use case then you can choose to use ipvlan -
|
||||
(a) The Linux host that is connected to the external switch / router has
|
||||
policy configured that allows only one mac per port.
|
||||
(b) No of virtual devices created on a master exceed the mac capacity and
|
||||
puts the NIC in promiscous mode and degraded performance is a concern.
|
||||
puts the NIC in promiscuous mode and degraded performance is a concern.
|
||||
(c) If the slave device is to be put into the hostile / untrusted network
|
||||
namespace where L2 on the slave could be changed / misused.
|
||||
|
||||
|
||||
@@ -67,12 +67,12 @@ The two basic thread commands are:
|
||||
* add_device DEVICE@NAME -- adds a single device
|
||||
* rem_device_all -- remove all associated devices
|
||||
|
||||
When adding a device to a thread, a corrosponding procfile is created
|
||||
When adding a device to a thread, a corresponding procfile is created
|
||||
which is used for configuring this device. Thus, device names need to
|
||||
be unique.
|
||||
|
||||
To support adding the same device to multiple threads, which is useful
|
||||
with multi queue NICs, a the device naming scheme is extended with "@":
|
||||
with multi queue NICs, the device naming scheme is extended with "@":
|
||||
device@something
|
||||
|
||||
The part after "@" can be anything, but it is custom to use the thread
|
||||
@@ -221,7 +221,7 @@ Sample scripts
|
||||
|
||||
A collection of tutorial scripts and helpers for pktgen is in the
|
||||
samples/pktgen directory. The helper parameters.sh file support easy
|
||||
and consistant parameter parsing across the sample scripts.
|
||||
and consistent parameter parsing across the sample scripts.
|
||||
|
||||
Usage example and help:
|
||||
./pktgen_sample01_simple.sh -i eth4 -m 00:1B:21:3C:9D:F8 -d 192.168.8.2
|
||||
|
||||
@@ -41,7 +41,7 @@ using an rx_handler which gives the impression that packets flow through
|
||||
the VRF device. Similarly on egress routing rules are used to send packets
|
||||
to the VRF device driver before getting sent out the actual interface. This
|
||||
allows tcpdump on a VRF device to capture all packets into and out of the
|
||||
VRF as a whole.[1] Similiarly, netfilter [2] and tc rules can be applied
|
||||
VRF as a whole.[1] Similarly, netfilter [2] and tc rules can be applied
|
||||
using the VRF device to specify rules that apply to the VRF domain as a whole.
|
||||
|
||||
[1] Packets in the forwarded state do not flow through the device, so those
|
||||
|
||||
@@ -4,7 +4,7 @@ Krisztian <hidden@balabit.hu> and others and additional patches
|
||||
from Jamal <hadi@cyberus.ca>.
|
||||
|
||||
The end goal for syncing is to be able to insert attributes + generate
|
||||
events so that the an SA can be safely moved from one machine to another
|
||||
events so that the SA can be safely moved from one machine to another
|
||||
for HA purposes.
|
||||
The idea is to synchronize the SA so that the takeover machine can do
|
||||
the processing of the SA as accurate as possible if it has access to it.
|
||||
@@ -13,7 +13,7 @@ We already have the ability to generate SA add/del/upd events.
|
||||
These patches add ability to sync and have accurate lifetime byte (to
|
||||
ensure proper decay of SAs) and replay counters to avoid replay attacks
|
||||
with as minimal loss at failover time.
|
||||
This way a backup stays as closely uptodate as an active member.
|
||||
This way a backup stays as closely up-to-date as an active member.
|
||||
|
||||
Because the above items change for every packet the SA receives,
|
||||
it is possible for a lot of the events to be generated.
|
||||
@@ -163,7 +163,7 @@ If you have an SA that is getting hit by traffic in bursts such that
|
||||
there is a period where the timer threshold expires with no packets
|
||||
seen, then an odd behavior is seen as follows:
|
||||
The first packet arrival after a timer expiry will trigger a timeout
|
||||
aevent; i.e we dont wait for a timeout period or a packet threshold
|
||||
event; i.e we don't wait for a timeout period or a packet threshold
|
||||
to be reached. This is done for simplicity and efficiency reasons.
|
||||
|
||||
-JHS
|
||||
|
||||
@@ -646,7 +646,7 @@ allowed to execute.
|
||||
perf_event_paranoid:
|
||||
|
||||
Controls use of the performance events system by unprivileged
|
||||
users (without CAP_SYS_ADMIN). The default value is 1.
|
||||
users (without CAP_SYS_ADMIN). The default value is 2.
|
||||
|
||||
-1: Allow use of (almost) all events by all users
|
||||
>=0: Disallow raw tracepoint access by users without CAP_IOC_LOCK
|
||||
|
||||
+45
-30
@@ -872,9 +872,9 @@ F: drivers/perf/arm_pmu.c
|
||||
F: include/linux/perf/arm_pmu.h
|
||||
|
||||
ARM PORT
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
|
||||
W: http://www.arm.linux.org.uk/
|
||||
W: http://www.armlinux.org.uk/
|
||||
S: Maintained
|
||||
F: arch/arm/
|
||||
|
||||
@@ -886,35 +886,35 @@ F: arch/arm/plat-*/
|
||||
T: git git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git
|
||||
|
||||
ARM PRIMECELL AACI PL041 DRIVER
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
S: Maintained
|
||||
F: sound/arm/aaci.*
|
||||
|
||||
ARM PRIMECELL CLCD PL110 DRIVER
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
S: Maintained
|
||||
F: drivers/video/fbdev/amba-clcd.*
|
||||
|
||||
ARM PRIMECELL KMI PL050 DRIVER
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
S: Maintained
|
||||
F: drivers/input/serio/ambakmi.*
|
||||
F: include/linux/amba/kmi.h
|
||||
|
||||
ARM PRIMECELL MMCI PL180/1 DRIVER
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
S: Maintained
|
||||
F: drivers/mmc/host/mmci.*
|
||||
F: include/linux/amba/mmci.h
|
||||
|
||||
ARM PRIMECELL UART PL010 AND PL011 DRIVERS
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
S: Maintained
|
||||
F: drivers/tty/serial/amba-pl01*.c
|
||||
F: include/linux/amba/serial.h
|
||||
|
||||
ARM PRIMECELL BUS SUPPORT
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
S: Maintained
|
||||
F: drivers/amba/
|
||||
F: include/linux/amba/bus.h
|
||||
@@ -1036,7 +1036,7 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
|
||||
S: Maintained
|
||||
|
||||
ARM/CLKDEV SUPPORT
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
|
||||
S: Maintained
|
||||
F: arch/arm/include/asm/clkdev.h
|
||||
@@ -1093,9 +1093,9 @@ F: arch/arm/boot/dts/cx92755*
|
||||
N: digicolor
|
||||
|
||||
ARM/EBSA110 MACHINE SUPPORT
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
|
||||
W: http://www.arm.linux.org.uk/
|
||||
W: http://www.armlinux.org.uk/
|
||||
S: Maintained
|
||||
F: arch/arm/mach-ebsa110/
|
||||
F: drivers/net/ethernet/amd/am79c961a.*
|
||||
@@ -1124,9 +1124,9 @@ T: git git://git.berlios.de/gemini-board
|
||||
F: arch/arm/mm/*-fa*
|
||||
|
||||
ARM/FOOTBRIDGE ARCHITECTURE
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
|
||||
W: http://www.arm.linux.org.uk/
|
||||
W: http://www.armlinux.org.uk/
|
||||
S: Maintained
|
||||
F: arch/arm/include/asm/hardware/dec21285.h
|
||||
F: arch/arm/mach-footbridge/
|
||||
@@ -1457,7 +1457,7 @@ S: Maintained
|
||||
ARM/PT DIGITAL BOARD PORT
|
||||
M: Stefan Eletzhofer <stefan.eletzhofer@eletztrick.de>
|
||||
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
|
||||
W: http://www.arm.linux.org.uk/
|
||||
W: http://www.armlinux.org.uk/
|
||||
S: Maintained
|
||||
|
||||
ARM/QUALCOMM SUPPORT
|
||||
@@ -1493,9 +1493,9 @@ S: Supported
|
||||
F: arch/arm64/boot/dts/renesas/
|
||||
|
||||
ARM/RISCPC ARCHITECTURE
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
|
||||
W: http://www.arm.linux.org.uk/
|
||||
W: http://www.armlinux.org.uk/
|
||||
S: Maintained
|
||||
F: arch/arm/include/asm/hardware/entry-macro-iomd.S
|
||||
F: arch/arm/include/asm/hardware/ioc.h
|
||||
@@ -1773,9 +1773,9 @@ F: drivers/clk/versatile/clk-vexpress-osc.c
|
||||
F: drivers/clocksource/versatile.c
|
||||
|
||||
ARM/VFP SUPPORT
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
|
||||
W: http://www.arm.linux.org.uk/
|
||||
W: http://www.armlinux.org.uk/
|
||||
S: Maintained
|
||||
F: arch/arm/vfp/
|
||||
|
||||
@@ -2921,7 +2921,7 @@ F: mm/cleancache.c
|
||||
F: include/linux/cleancache.h
|
||||
|
||||
CLK API
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
L: linux-clk@vger.kernel.org
|
||||
S: Maintained
|
||||
F: include/linux/clk.h
|
||||
@@ -3354,9 +3354,9 @@ S: Supported
|
||||
F: drivers/net/ethernet/stmicro/stmmac/
|
||||
|
||||
CYBERPRO FB DRIVER
|
||||
M: Russell King <linux@arm.linux.org.uk>
|
||||
M: Russell King <linux@armlinux.org.uk>
|
||||
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
|
||||
W: http://www.arm.linux.org.uk/
|
||||
W: http://www.armlinux.org.uk/
|
||||
S: Maintained
|
||||
F: drivers/video/fbdev/cyber2000fb.*
|
||||
|
||||
@@ -3881,7 +3881,7 @@ F: Documentation/devicetree/bindings/display/st,stih4xx.txt
|
||||
|
||||
DRM DRIVERS FOR VIVANTE GPU IP
|
||||
M: Lucas Stach <l.stach@pengutronix.de>
|
||||
R: Russell King <linux+etnaviv@arm.linux.org.uk>
|
||||
R: Russell King <linux+etnaviv@armlinux.org.uk>
|
||||
R: Christian Gmeiner <christian.gmeiner@gmail.com>
|
||||
L: dri-devel@lists.freedesktop.org
|
||||
S: Maintained
|
||||
@@ -4223,8 +4223,8 @@ F: Documentation/efi-stub.txt
|
||||
F: arch/ia64/kernel/efi.c
|
||||
F: arch/x86/boot/compressed/eboot.[ch]
|
||||
F: arch/x86/include/asm/efi.h
|
||||
F: arch/x86/platform/efi/*
|
||||
F: drivers/firmware/efi/*
|
||||
F: arch/x86/platform/efi/
|
||||
F: drivers/firmware/efi/
|
||||
F: include/linux/efi*.h
|
||||
|
||||
EFI VARIABLE FILESYSTEM
|
||||
@@ -4744,7 +4744,7 @@ F: drivers/platform/x86/fujitsu-tablet.c
|
||||
|
||||
FUSE: FILESYSTEM IN USERSPACE
|
||||
M: Miklos Szeredi <miklos@szeredi.hu>
|
||||
L: fuse-devel@lists.sourceforge.net
|
||||
L: linux-fsdevel@vger.kernel.org
|
||||
W: http://fuse.sourceforge.net/
|
||||
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git
|
||||
S: Maintained
|
||||
@@ -4903,7 +4903,7 @@ F: net/ipv4/gre_offload.c
|
||||
F: include/net/gre.h
|
||||
|
||||
GRETH 10/100/1G Ethernet MAC device driver
|
||||
M: Kristoffer Glembo <kristoffer@gaisler.com>
|
||||
M: Andreas Larsson <andreas@gaisler.com>
|
||||
L: netdev@vger.kernel.org
|
||||
S: Maintained
|
||||
F: drivers/net/ethernet/aeroflex/
|
||||
@@ -6905,7 +6905,7 @@ L: linux-man@vger.kernel.org
|
||||
S: Maintained
|
||||
|
||||
MARVELL ARMADA DRM SUPPORT
|
||||
M: Russell King <rmk+kernel@arm.linux.org.uk>
|
||||
M: Russell King <rmk+kernel@armlinux.org.uk>
|
||||
S: Maintained
|
||||
F: drivers/gpu/drm/armada/
|
||||
|
||||
@@ -7905,7 +7905,7 @@ S: Supported
|
||||
F: drivers/nfc/nxp-nci
|
||||
|
||||
NXP TDA998X DRM DRIVER
|
||||
M: Russell King <rmk+kernel@arm.linux.org.uk>
|
||||
M: Russell King <rmk+kernel@armlinux.org.uk>
|
||||
S: Supported
|
||||
F: drivers/gpu/drm/i2c/tda998x_drv.c
|
||||
F: include/drm/i2c/tda998x.h
|
||||
@@ -7978,7 +7978,7 @@ F: arch/arm/*omap*/*pm*
|
||||
F: drivers/cpufreq/omap-cpufreq.c
|
||||
|
||||
OMAP POWERDOMAIN SOC ADAPTATION LAYER SUPPORT
|
||||
M: Rajendra Nayak <rnayak@ti.com>
|
||||
M: Rajendra Nayak <rnayak@codeaurora.org>
|
||||
M: Paul Walmsley <paul@pwsan.com>
|
||||
L: linux-omap@vger.kernel.org
|
||||
S: Maintained
|
||||
@@ -10014,7 +10014,8 @@ F: drivers/infiniband/hw/ocrdma/
|
||||
|
||||
SFC NETWORK DRIVER
|
||||
M: Solarflare linux maintainers <linux-net-drivers@solarflare.com>
|
||||
M: Shradha Shah <sshah@solarflare.com>
|
||||
M: Edward Cree <ecree@solarflare.com>
|
||||
M: Bert Kenward <bkenward@solarflare.com>
|
||||
L: netdev@vger.kernel.org
|
||||
S: Supported
|
||||
F: drivers/net/ethernet/sfc/
|
||||
@@ -11317,6 +11318,20 @@ F: include/trace/
|
||||
F: kernel/trace/
|
||||
F: tools/testing/selftests/ftrace/
|
||||
|
||||
TRACING MMIO ACCESSES (MMIOTRACE)
|
||||
M: Steven Rostedt <rostedt@goodmis.org>
|
||||
M: Ingo Molnar <mingo@kernel.org>
|
||||
R: Karol Herbst <karolherbst@gmail.com>
|
||||
R: Pekka Paalanen <ppaalanen@gmail.com>
|
||||
S: Maintained
|
||||
L: linux-kernel@vger.kernel.org
|
||||
L: nouveau@lists.freedesktop.org
|
||||
F: kernel/trace/trace_mmiotrace.c
|
||||
F: include/linux/mmiotrace.h
|
||||
F: arch/x86/mm/kmmio.c
|
||||
F: arch/x86/mm/mmio-mod.c
|
||||
F: arch/x86/mm/testmmiotrace.c
|
||||
|
||||
TRIVIAL PATCHES
|
||||
M: Jiri Kosina <trivial@kernel.org>
|
||||
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial.git
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
VERSION = 4
|
||||
PATCHLEVEL = 6
|
||||
SUBLEVEL = 0
|
||||
EXTRAVERSION = -rc6
|
||||
EXTRAVERSION = -rc7
|
||||
NAME = Charred Weasel
|
||||
|
||||
# *DOCUMENTATION*
|
||||
|
||||
@@ -58,6 +58,9 @@ config GENERIC_CSUM
|
||||
config RWSEM_GENERIC_SPINLOCK
|
||||
def_bool y
|
||||
|
||||
config ARCH_DISCONTIGMEM_ENABLE
|
||||
def_bool y
|
||||
|
||||
config ARCH_FLATMEM_ENABLE
|
||||
def_bool y
|
||||
|
||||
@@ -347,6 +350,15 @@ config ARC_HUGEPAGE_16M
|
||||
|
||||
endchoice
|
||||
|
||||
config NODES_SHIFT
|
||||
int "Maximum NUMA Nodes (as a power of 2)"
|
||||
default "1" if !DISCONTIGMEM
|
||||
default "2" if DISCONTIGMEM
|
||||
depends on NEED_MULTIPLE_NODES
|
||||
---help---
|
||||
Accessing memory beyond 1GB (with or w/o PAE) requires 2 memory
|
||||
zones.
|
||||
|
||||
if ISA_ARCOMPACT
|
||||
|
||||
config ARC_COMPACT_IRQ_LEVELS
|
||||
@@ -455,6 +467,7 @@ config LINUX_LINK_BASE
|
||||
|
||||
config HIGHMEM
|
||||
bool "High Memory Support"
|
||||
select DISCONTIGMEM
|
||||
help
|
||||
With ARC 2G:2G address split, only upper 2G is directly addressable by
|
||||
kernel. Enable this to potentially allow access to rest of 2G and PAE
|
||||
|
||||
@@ -13,6 +13,15 @@
|
||||
#include <asm/byteorder.h>
|
||||
#include <asm/page.h>
|
||||
|
||||
#ifdef CONFIG_ISA_ARCV2
|
||||
#include <asm/barrier.h>
|
||||
#define __iormb() rmb()
|
||||
#define __iowmb() wmb()
|
||||
#else
|
||||
#define __iormb() do { } while (0)
|
||||
#define __iowmb() do { } while (0)
|
||||
#endif
|
||||
|
||||
extern void __iomem *ioremap(phys_addr_t paddr, unsigned long size);
|
||||
extern void __iomem *ioremap_prot(phys_addr_t paddr, unsigned long size,
|
||||
unsigned long flags);
|
||||
@@ -31,6 +40,15 @@ extern void iounmap(const void __iomem *addr);
|
||||
#define ioremap_wc(phy, sz) ioremap(phy, sz)
|
||||
#define ioremap_wt(phy, sz) ioremap(phy, sz)
|
||||
|
||||
/*
|
||||
* io{read,write}{16,32}be() macros
|
||||
*/
|
||||
#define ioread16be(p) ({ u16 __v = be16_to_cpu((__force __be16)__raw_readw(p)); __iormb(); __v; })
|
||||
#define ioread32be(p) ({ u32 __v = be32_to_cpu((__force __be32)__raw_readl(p)); __iormb(); __v; })
|
||||
|
||||
#define iowrite16be(v,p) ({ __iowmb(); __raw_writew((__force u16)cpu_to_be16(v), p); })
|
||||
#define iowrite32be(v,p) ({ __iowmb(); __raw_writel((__force u32)cpu_to_be32(v), p); })
|
||||
|
||||
/* Change struct page to physical address */
|
||||
#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
|
||||
|
||||
@@ -108,15 +126,6 @@ static inline void __raw_writel(u32 w, volatile void __iomem *addr)
|
||||
|
||||
}
|
||||
|
||||
#ifdef CONFIG_ISA_ARCV2
|
||||
#include <asm/barrier.h>
|
||||
#define __iormb() rmb()
|
||||
#define __iowmb() wmb()
|
||||
#else
|
||||
#define __iormb() do { } while (0)
|
||||
#define __iowmb() do { } while (0)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* MMIO can also get buffered/optimized in micro-arch, so barriers needed
|
||||
* Based on ARM model for the typical use case
|
||||
|
||||
@@ -0,0 +1,43 @@
|
||||
/*
|
||||
* Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#ifndef _ASM_ARC_MMZONE_H
|
||||
#define _ASM_ARC_MMZONE_H
|
||||
|
||||
#ifdef CONFIG_DISCONTIGMEM
|
||||
|
||||
extern struct pglist_data node_data[];
|
||||
#define NODE_DATA(nid) (&node_data[nid])
|
||||
|
||||
static inline int pfn_to_nid(unsigned long pfn)
|
||||
{
|
||||
int is_end_low = 1;
|
||||
|
||||
if (IS_ENABLED(CONFIG_ARC_HAS_PAE40))
|
||||
is_end_low = pfn <= virt_to_pfn(0xFFFFFFFFUL);
|
||||
|
||||
/*
|
||||
* node 0: lowmem: 0x8000_0000 to 0xFFFF_FFFF
|
||||
* node 1: HIGHMEM w/o PAE40: 0x0 to 0x7FFF_FFFF
|
||||
* HIGHMEM with PAE40: 0x1_0000_0000 to ...
|
||||
*/
|
||||
if (pfn >= ARCH_PFN_OFFSET && is_end_low)
|
||||
return 0;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static inline int pfn_valid(unsigned long pfn)
|
||||
{
|
||||
int nid = pfn_to_nid(pfn);
|
||||
|
||||
return (pfn <= node_end_pfn(nid));
|
||||
}
|
||||
#endif /* CONFIG_DISCONTIGMEM */
|
||||
|
||||
#endif
|
||||
@@ -72,11 +72,20 @@ typedef unsigned long pgprot_t;
|
||||
|
||||
typedef pte_t * pgtable_t;
|
||||
|
||||
/*
|
||||
* Use virt_to_pfn with caution:
|
||||
* If used in pte or paddr related macros, it could cause truncation
|
||||
* in PAE40 builds
|
||||
* As a rule of thumb, only use it in helpers starting with virt_
|
||||
* You have been warned !
|
||||
*/
|
||||
#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
|
||||
|
||||
#define ARCH_PFN_OFFSET virt_to_pfn(CONFIG_LINUX_LINK_BASE)
|
||||
|
||||
#ifdef CONFIG_FLATMEM
|
||||
#define pfn_valid(pfn) (((pfn) - ARCH_PFN_OFFSET) < max_mapnr)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* __pa, __va, virt_to_page (ALERT: deprecated, don't use them)
|
||||
@@ -85,12 +94,10 @@ typedef pte_t * pgtable_t;
|
||||
* virt here means link-address/program-address as embedded in object code.
|
||||
* And for ARC, link-addr = physical address
|
||||
*/
|
||||
#define __pa(vaddr) ((unsigned long)vaddr)
|
||||
#define __pa(vaddr) ((unsigned long)(vaddr))
|
||||
#define __va(paddr) ((void *)((unsigned long)(paddr)))
|
||||
|
||||
#define virt_to_page(kaddr) \
|
||||
(mem_map + virt_to_pfn((kaddr) - CONFIG_LINUX_LINK_BASE))
|
||||
|
||||
#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
|
||||
#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr))
|
||||
|
||||
/* Default Permissions for stack/heaps pages (Non Executable) */
|
||||
|
||||
@@ -278,14 +278,13 @@ static inline void pmd_set(pmd_t *pmdp, pte_t *ptep)
|
||||
#define pmd_present(x) (pmd_val(x))
|
||||
#define pmd_clear(xp) do { pmd_val(*(xp)) = 0; } while (0)
|
||||
|
||||
#define pte_page(pte) \
|
||||
(mem_map + virt_to_pfn(pte_val(pte) - CONFIG_LINUX_LINK_BASE))
|
||||
|
||||
#define pte_page(pte) pfn_to_page(pte_pfn(pte))
|
||||
#define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot)
|
||||
#define pte_pfn(pte) virt_to_pfn(pte_val(pte))
|
||||
#define pfn_pte(pfn, prot) (__pte(((pte_t)(pfn) << PAGE_SHIFT) | \
|
||||
pgprot_val(prot)))
|
||||
#define __pte_index(addr) (virt_to_pfn(addr) & (PTRS_PER_PTE - 1))
|
||||
#define pfn_pte(pfn, prot) (__pte(((pte_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot)))
|
||||
|
||||
/* Don't use virt_to_pfn for macros below: could cause truncations for PAE40*/
|
||||
#define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT)
|
||||
#define __pte_index(addr) (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
|
||||
|
||||
/*
|
||||
* pte_offset gets a @ptr to PMD entry (PGD in our 2-tier paging system)
|
||||
|
||||
+39
-15
@@ -30,11 +30,16 @@ static const unsigned long low_mem_start = CONFIG_LINUX_LINK_BASE;
|
||||
static unsigned long low_mem_sz;
|
||||
|
||||
#ifdef CONFIG_HIGHMEM
|
||||
static unsigned long min_high_pfn;
|
||||
static unsigned long min_high_pfn, max_high_pfn;
|
||||
static u64 high_mem_start;
|
||||
static u64 high_mem_sz;
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_DISCONTIGMEM
|
||||
struct pglist_data node_data[MAX_NUMNODES] __read_mostly;
|
||||
EXPORT_SYMBOL(node_data);
|
||||
#endif
|
||||
|
||||
/* User can over-ride above with "mem=nnn[KkMm]" in cmdline */
|
||||
static int __init setup_mem_sz(char *str)
|
||||
{
|
||||
@@ -109,13 +114,11 @@ void __init setup_arch_memory(void)
|
||||
/* Last usable page of low mem */
|
||||
max_low_pfn = max_pfn = PFN_DOWN(low_mem_start + low_mem_sz);
|
||||
|
||||
#ifdef CONFIG_HIGHMEM
|
||||
min_high_pfn = PFN_DOWN(high_mem_start);
|
||||
max_pfn = PFN_DOWN(high_mem_start + high_mem_sz);
|
||||
#ifdef CONFIG_FLATMEM
|
||||
/* pfn_valid() uses this */
|
||||
max_mapnr = max_low_pfn - min_low_pfn;
|
||||
#endif
|
||||
|
||||
max_mapnr = max_pfn - min_low_pfn;
|
||||
|
||||
/*------------- bootmem allocator setup -----------------------*/
|
||||
|
||||
/*
|
||||
@@ -129,7 +132,7 @@ void __init setup_arch_memory(void)
|
||||
* the crash
|
||||
*/
|
||||
|
||||
memblock_add(low_mem_start, low_mem_sz);
|
||||
memblock_add_node(low_mem_start, low_mem_sz, 0);
|
||||
memblock_reserve(low_mem_start, __pa(_end) - low_mem_start);
|
||||
|
||||
#ifdef CONFIG_BLK_DEV_INITRD
|
||||
@@ -149,13 +152,6 @@ void __init setup_arch_memory(void)
|
||||
zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn;
|
||||
zones_holes[ZONE_NORMAL] = 0;
|
||||
|
||||
#ifdef CONFIG_HIGHMEM
|
||||
zones_size[ZONE_HIGHMEM] = max_pfn - max_low_pfn;
|
||||
|
||||
/* This handles the peripheral address space hole */
|
||||
zones_holes[ZONE_HIGHMEM] = min_high_pfn - max_low_pfn;
|
||||
#endif
|
||||
|
||||
/*
|
||||
* We can't use the helper free_area_init(zones[]) because it uses
|
||||
* PAGE_OFFSET to compute the @min_low_pfn which would be wrong
|
||||
@@ -168,6 +164,34 @@ void __init setup_arch_memory(void)
|
||||
zones_holes); /* holes */
|
||||
|
||||
#ifdef CONFIG_HIGHMEM
|
||||
/*
|
||||
* Populate a new node with highmem
|
||||
*
|
||||
* On ARC (w/o PAE) HIGHMEM addresses are actually smaller (0 based)
|
||||
* than addresses in normal ala low memory (0x8000_0000 based).
|
||||
* Even with PAE, the huge peripheral space hole would waste a lot of
|
||||
* mem with single mem_map[]. This warrants a mem_map per region design.
|
||||
* Thus HIGHMEM on ARC is imlemented with DISCONTIGMEM.
|
||||
*
|
||||
* DISCONTIGMEM in turns requires multiple nodes. node 0 above is
|
||||
* populated with normal memory zone while node 1 only has highmem
|
||||
*/
|
||||
node_set_online(1);
|
||||
|
||||
min_high_pfn = PFN_DOWN(high_mem_start);
|
||||
max_high_pfn = PFN_DOWN(high_mem_start + high_mem_sz);
|
||||
|
||||
zones_size[ZONE_NORMAL] = 0;
|
||||
zones_holes[ZONE_NORMAL] = 0;
|
||||
|
||||
zones_size[ZONE_HIGHMEM] = max_high_pfn - min_high_pfn;
|
||||
zones_holes[ZONE_HIGHMEM] = 0;
|
||||
|
||||
free_area_init_node(1, /* node-id */
|
||||
zones_size, /* num pages per zone */
|
||||
min_high_pfn, /* first pfn of node */
|
||||
zones_holes); /* holes */
|
||||
|
||||
high_memory = (void *)(min_high_pfn << PAGE_SHIFT);
|
||||
kmap_init();
|
||||
#endif
|
||||
@@ -185,7 +209,7 @@ void __init mem_init(void)
|
||||
unsigned long tmp;
|
||||
|
||||
reset_all_zones_managed_pages();
|
||||
for (tmp = min_high_pfn; tmp < max_pfn; tmp++)
|
||||
for (tmp = min_high_pfn; tmp < max_high_pfn; tmp++)
|
||||
free_highmem_page(pfn_to_page(tmp));
|
||||
#endif
|
||||
|
||||
|
||||
@@ -329,6 +329,7 @@
|
||||
regulator-name = "V28";
|
||||
regulator-min-microvolt = <2800000>;
|
||||
regulator-max-microvolt = <2800000>;
|
||||
regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
|
||||
regulator-always-on; /* due to battery cover sensor */
|
||||
};
|
||||
|
||||
@@ -336,30 +337,35 @@
|
||||
regulator-name = "VCSI";
|
||||
regulator-min-microvolt = <1800000>;
|
||||
regulator-max-microvolt = <1800000>;
|
||||
regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
|
||||
};
|
||||
|
||||
&vaux3 {
|
||||
regulator-name = "VMMC2_30";
|
||||
regulator-min-microvolt = <2800000>;
|
||||
regulator-max-microvolt = <3000000>;
|
||||
regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
|
||||
};
|
||||
|
||||
&vaux4 {
|
||||
regulator-name = "VCAM_ANA_28";
|
||||
regulator-min-microvolt = <2800000>;
|
||||
regulator-max-microvolt = <2800000>;
|
||||
regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
|
||||
};
|
||||
|
||||
&vmmc1 {
|
||||
regulator-name = "VMMC1";
|
||||
regulator-min-microvolt = <1850000>;
|
||||
regulator-max-microvolt = <3150000>;
|
||||
regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
|
||||
};
|
||||
|
||||
&vmmc2 {
|
||||
regulator-name = "V28_A";
|
||||
regulator-min-microvolt = <2800000>;
|
||||
regulator-max-microvolt = <3000000>;
|
||||
regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
|
||||
regulator-always-on; /* due VIO leak to AIC34 VDDs */
|
||||
};
|
||||
|
||||
@@ -367,6 +373,7 @@
|
||||
regulator-name = "VPLL";
|
||||
regulator-min-microvolt = <1800000>;
|
||||
regulator-max-microvolt = <1800000>;
|
||||
regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
|
||||
regulator-always-on;
|
||||
};
|
||||
|
||||
@@ -374,6 +381,7 @@
|
||||
regulator-name = "VSDI_CSI";
|
||||
regulator-min-microvolt = <1800000>;
|
||||
regulator-max-microvolt = <1800000>;
|
||||
regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
|
||||
regulator-always-on;
|
||||
};
|
||||
|
||||
@@ -381,6 +389,7 @@
|
||||
regulator-name = "VMMC2_IO_18";
|
||||
regulator-min-microvolt = <1800000>;
|
||||
regulator-max-microvolt = <1800000>;
|
||||
regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
|
||||
};
|
||||
|
||||
&vio {
|
||||
|
||||
@@ -46,7 +46,7 @@
|
||||
0x480bd800 0x017c>;
|
||||
interrupts = <24>;
|
||||
iommus = <&mmu_isp>;
|
||||
syscon = <&scm_conf 0xdc>;
|
||||
syscon = <&scm_conf 0x6c>;
|
||||
ti,phy-type = <OMAP3ISP_PHY_TYPE_COMPLEX_IO>;
|
||||
#clock-cells = <1>;
|
||||
ports {
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user