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This reverts commit 482b718a84f08b6fc84879c3e90cc57dba11c115.
The preceding commits by Nicholas Piggin enable PS3 support for ELFv2,
so there's no need to disable it for PS3 anymore.
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/983836405df1b6001a2262972fb32d1aee97d6f5.1705654669.git.geoff@infradead.org
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Commit 8c5fa3b5c4df ("powerpc/64: Make ELFv2 the default for big-endian
builds"), merged in Linux-6.5-rc1 changes the calling ABI in a way
that is incompatible with the current code for the PS3's LV1 hypervisor
calls.
This change just adds the line '# CONFIG_PPC64_BIG_ENDIAN_ELF_ABI_V2 is not set'
to the ps3_defconfig file so that the PPC64_ELF_ABI_V1 is used.
Fixes run time errors like these:
BUG: Kernel NULL pointer dereference at 0x00000000
Faulting instruction address: 0xc000000000047cf0
Oops: Kernel access of bad area, sig: 11 [#1]
Call Trace:
[c0000000023039e0] [c00000000100ebfc] ps3_create_spu+0xc4/0x2b0 (unreliable)
[c000000002303ab0] [c00000000100d4c4] create_spu+0xcc/0x3c4
[c000000002303b40] [c00000000100eae4] ps3_enumerate_spus+0xa4/0xf8
Fixes: 8c5fa3b5c4df ("powerpc/64: Make ELFv2 the default for big-endian builds")
Cc: stable@vger.kernel.org # v6.5+
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/df906ac1-5f17-44b9-b0bb-7cd292a0df65@infradead.org
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There is only one Kconfig user of CONFIG_EMBEDDED and it can be switched
to EXPERT or "if !ARCH_MULTIPLATFORM" (suggested by Arnd).
Link: https://lkml.kernel.org/r/20230816055010.31534-1-rdunlap@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com> [RISC-V]
Acked-by: Greg Ungerer <gerg@linux-m68k.org>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc]
Cc: Russell King <linux@armlinux.org.uk>
Cc: Vineet Gupta <vgupta@kernel.org>
Cc: Brian Cain <bcain@quicinc.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Commit a2225d931f75 ("autofs: remove left-over autofs4 stubs")
promised the removal of the fs/autofs/Kconfig fragment for AUTOFS4_FS
within a couple of releases, but five years later this still has not
happened yet, and AUTOFS4_FS is still enabled in 63 defconfigs.
Get rid of it mechanically:
git grep -l CONFIG_AUTOFS4_FS -- '*defconfig' |
xargs sed -i 's/AUTOFS4_FS/AUTOFS_FS/'
Also just remove the AUTOFS4_FS config option stub. Anybody who hasn't
regenerated their config file in the last five years will need to just
get the new name right when they do.
Signed-off-by: Sven Joachim <svenjoac@gmx.de>
Acked-by: Ian Kent <raven@themaw.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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As discussed at LSF/MM [1] [2] and with no objections raised there,
deprecate the SLAB allocator. Rename the user-visible option so that
users with CONFIG_SLAB=y get a new prompt with explanation during make
oldconfig, while make olddefconfig will just switch to SLUB.
In all defconfigs with CONFIG_SLAB=y remove the line so those also
switch to SLUB. Regressions due to the switch should be reported to
linux-mm and slab maintainers.
[1] https://lore.kernel.org/all/4b9fc9c6-b48c-198f-5f80-811a44737e5f@suse.cz/
[2] https://lwn.net/Articles/932201/
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k
Acked-by: Helge Deller <deller@gmx.de> # parisc
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Refresh ps3_defconfig for v6.2.
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/99e87549b17feca3494e9df6f4def04a9ec7c042.1672767868.git.geoff@infradead.org
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Clean up config files by:
- removing configs that were deleted in the past
- removing configs not in tree and without recently pending patches
- adding new configs that are replacements for old configs in the file
For some detailed information, see:
https://lore.kernel.org/kernel-janitors/20220929090645.1389-1-lukas.bulwahn@gmail.com/
Renamed:
- CONFIG_PPC_PTDUMP -> CONFIG_GENERIC_PTDUMP
e084728393a5 ("powerpc/ptdump: Convert powerpc to GENERIC_PTDUMP")
Removed:
- CONFIG_BLK_DEV_CRYPTOLOOP
47e9624616c8 ("block: remove support for cryptoloop and the xor transfer")
- CONFIG_CRYPTO_RMD128
b21b9a5e0aef ("crypto: rmd128 - remove RIPE-MD 128 hash algorithm")
- CONFIG_CRYPTO_RMD256
c15d4167f0b0 ("crypto: rmd256 - remove RIPE-MD 256 hash algorithm")
- CONFIG_CRYPTO_RMD320
93f64202926f ("crypto: rmd320 - remove RIPE-MD 320 hash algorithm")
- CONFIG_CRYPTO_SALSA20
663f63ee6d9c ("crypto: salsa20 - remove Salsa20 stream cipher algorithm")
- CONFIG_CRYPTO_TGR192
87cd723f8978 ("crypto: tgr192 - remove Tiger 128/160/192 hash algorithms")
- CONFIG_HARDENED_USERCOPY_PAGESPAN
1109a5d90701 ("usercopy: Remove HARDENED_USERCOPY_PAGESPAN")
- CONFIG_RAPIDIO_TSI568, CONFIG_RAPIDIO_TSI57X
612d4904191f ("rapidio: remove not used code about RIO_VID_TUNDRA")
- CONFIG_RAW_DRIVER
603e4922f1c8 ("remove the raw driver")
- CONFIG_ROCKETPORT
3b00b6af7a5b ("tty: rocket, remove the driver")
- CONFIG_ENABLE_MUST_CHECK
196793946264 ("Compiler Attributes: remove CONFIG_ENABLE_MUST_CHECK")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
[mpe: Add documentation of relevant commit for each symbol change]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220929101502.32527-1-lukas.bulwahn@gmail.com
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Commit f9b3cd245784 ("Kconfig.debug: make DEBUG_INFO selectable from a
choice") broke the selection of CONFIG_DEBUG_INFO by powerpc defconfigs.
It is now necessary to select one of the three DEBUG_INFO_DWARF*
options to get DEBUG_INFO enabled.
Replace DEBUG_INFO=y by DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y in all
defconfigs using the following command:
sed -i s/DEBUG_INFO=y/DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y/g `git grep -l DEBUG_INFO arch/powerpc/configs/`
Fixes: f9b3cd245784 ("Kconfig.debug: make DEBUG_INFO selectable from a choice")
Cc: stable@vger.kernel.org
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/98a4c2603bf9e4b776e219f5b8541d23aa24e854.1654930308.git.christophe.leroy@csgroup.eu
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For 64-bit book3s the default should be 64K as that's what modern CPUs
are designed for.
The following defconfigs already set CONFIG_PPC_64K_PAGES:
cell_defconfig
pasemi_defconfig
powernv_defconfig
ppc64_defconfig
pseries_defconfig
skiroot_defconfig
The have the option removed from the defconfig, as it is now the
default.
The defconfigs that now need to set CONFIG_PPC_4K_PAGES to maintain
their existing behaviour are:
g5_defconfig
maple_defconfig
microwatt_defconfig
ps3_defconfig
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
BugLink: https://github.com/linuxppc/issues/issues/109
Link: https://lore.kernel.org/r/20211015001649.45591-1-joel@jms.id.au
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The "oprofile" user-space tools don't use the kernel OPROFILE support
any more, and haven't in a long time. User-space has been converted to
the perf interfaces.
This commits stops building oprofile for powerpc and removes any
reference to it from directories in arch/powerpc/ apart from
arch/powerpc/oprofile, which will be removed in the next commit (this is
broken into two commits as the size of the commit became very big, ~5k
lines).
Note that the member "oprofile_cpu_type" in "struct cpu_spec" isn't
removed as it was also used by other parts of the code.
Suggested-by: Christoph Hellwig <hch@infradead.org>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Robert Richter <rric@kernel.org>
Acked-by: William Cohen <wcohen@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
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Regenerate defconfigs to remove CONFIG_CMDLINE_BOOL and the default
CONFIG_CMDLINE where applicable.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200611224220.25066-3-chris.packham@alliedtelesis.co.nz
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Set CONFIG_UEVENT_HELPER=y in ps3_defconfig.
commit 1be01d4a57142ded23bdb9e0c8d9369e693b26cc (driver: base: Disable
CONFIG_UEVENT_HELPER by default) disabled the CONFIG_UEVENT_HELPER option
that is needed for hotplug and module loading by most older 32bit powerpc
distributions that users typically install on the PS3.
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/410cda9aa1a6e04434dfe1f9aa2103d0694f706c.1585340156.git.geoff@infradead.org
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CONFIG_INET6_XFRM_MODE_*
These Kconfig options has been removed in commit 4c145dce2601 ("xfrm:
make xfrm modes builtin") So there is no point to keep it in
defconfigs any longer.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
[mpe: Extract from cross arch patch]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190612071901.21736-1-yuehaibing@huawei.com
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Remove the CONFIG_UEVENT_HELPER_PATH because:
1. It is disabled since commit 1be01d4a5714 ("driver: base: Disable
CONFIG_UEVENT_HELPER by default") as its dependency (UEVENT_HELPER) was
made default to 'n',
2. It is not recommended (help message: "This should not be used today
[...] creates a high system load") and was kept only for ancient
userland,
3. Certain userland specifically requests it to be disabled (systemd
README: "Legacy hotplug slows down the system and confuses udev").
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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for 64bit configs which use for CONFIG_LOG_BUF_SHIFT the same
or higher value than the default (currently 17).
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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It doesn't actually do anything. Merge its help text into
EXTRA_FIRMWARE.
Fixes: 5620a0d1aacd ("firmware: delete in-kernel firmware")
Fixes: 0946b2fb38fd ("firmware: cleanup FIRMWARE_IN_KERNEL message")
Signed-off-by: Benjamin Gilbert <benjamin.gilbert@coreos.com>
Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In commit 961518259b3b ("rcu: Enable RCU tracepoints by default to aid
in debugging"), CONFIG_RCU_TRACE was made default y (if CONFIG_TREE_RCU=y,
which it is for some of our configs).
That in turn causes CONFIG_TREE_RCU_TRACE to be enabled, which selects
CONFIG_DEBUG_FS. The end result is that CONFIG_DEBUG_FS is forced on,
meaning we don't have to enable it in some of our configs.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Since commit f76be61755c5 ("Make CONFIG_FHANDLE default y") we no
longer need to set CONFIG_FHANDLE in our defconfigs.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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In commit 73d8ef76006b ("Input: mousedev - stop offering PS/2 to userspace by
default") (Jan 2017), CONFIG_INPUT_MOUSEDEV was switched from default y to
default n, with the explanation:
Evdev interface has been available for many years and by now everyone
is switched to using it, so let's stop offering /dev/input/mouseN
and /dev/psaux by default.
We had a number of configs which had it enabled, but going by the above
explanation probably don't need it enabled anymore.
So drop the last remnants of it from our defconfigs.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Update defconfigs to remove old symbols and comments referencing old
symbols.
Dropped:
* AVERAGE
* INET_LRO
* EXT3_DEFAULTS_TO_ORDERED
* EXT3_FS_XATTR
* I2O
* INFINIBAND_AMSO1100
* INFINIBAND_EHCA
* IP1000
Replaced:
* BLK_DEV_XIP -> BLK_DEV_RAM_DAX
* CLK_PPC_CORENET -> CLK_QORIQ
* EXT2_FS_XIP -> FS_DAX
* EXT3_FS* -> EXT4_FS*
Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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The TUNE_CELL option allows you to build a kernel that runs on multiple
CPUs but is tuned (ie. optimised) to run on Cell CPUs. Now days no one
is building a distro in that fashion, and any users who are building
custom kernels for their Cell machines are better off building with
CONFIG_CELL_CPU, which builds a kernel that only runs on Cell and
therefore can be optimised even more aggresively.
Dropping the option also avoids confusing other users, who are presented
with an option to tune for Cell when they are not building for a Cell
CPU at all.
Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Refresh and remove obsolete CONFIG_EXT3_FS.
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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It looks like it's ~4 years since we updated some of these, so do a bulk
update.
Verified that the before and after generated configs are exactly the
same.
Which begs the question why update them? The answer is that it can be
confusing when the stored defconfig drifts too far from the generated
result.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Having switched over all of the users of CONFIG_PM_RUNTIME to use
CONFIG_PM directly, turn the latter into a user-selectable option
and drop the former entirely from the tree.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
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CONFIG_FHANDLE is a requirement for systemd and with the increasing
uptake of systemd within distros it makes sense for 64 bit defconfigs
to include it.
Signed-off-by: Cyril Bur <cyril.bur@au1.ibm.com>
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it only makes control flow in __fput() and friends more convoluted.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Commit 84ebc10294a3d7be4c66f51070b7aedbaa24de9b (USB: remove
CONFIG_USB_SUSPEND option) failed to remove all of the usages of
USB_SUSPEND throughout the kernel. This patch (as1677) removes the
remaining instances of that symbol.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Refresh and set CONFIG_RD_LZMA=y.
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
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Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Signed-off-by: Geoff Levand <geoff@infradead.org>
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Refresh ps3_defconfig to latest kernel sources and
change the options:
CONFIG_PPP=m to CONFIG_PPP=n.
CONFIG_NAMESPACES=y to CONFIG_NAMESPACES=n
CONFIG_NUMA=y to CONFIG_NUMA=n
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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RTC_CLASS is changed to bool, so 'm' is invalid.
Signed-off-by: Wanlong Gao <wanlong.gao@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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BT_L2CAP and BT_SCO have changed to bool .
Value 'm' has invalid .
Signed-off-by: Wanlong Gao <wanlong.gao@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The meaning of CONFIG_EMBEDDED has long since been obsoleted; the option
is used to configure any non-standard kernel with a much larger scope than
only small devices.
This patch renames the option to CONFIG_EXPERT in init/Kconfig and fixes
references to the option throughout the kernel. A new CONFIG_EMBEDDED
option is added that automatically selects CONFIG_EXPERT when enabled and
can be used in the future to isolate options that should only be
considered for embedded systems (RISC architectures, SLOB, etc).
Calling the option "EXPERT" more accurately represents its intention: only
expert users who understand the impact of the configuration changes they
are making should enable it.
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Acked-by: David Woodhouse <david.woodhouse@intel.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Greg KH <gregkh@suse.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Robin Holt <holt@sgi.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This trims all our defconfigs using make savedefconfig
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Refresh ps3_defconfig to latest kernel sources and change
these kernel config options:
o CONFIG_USB_ANNOUNCE_NEW_DEVICES: n -> y
o CONFIG_USB_EHCI_TT_NEWSCHED: n -> y
o CONFIG_CMDLINE_BOOL: n -> y
o CONFIG_CMDLINE: n -> ""
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The current PS3 gelic wireless driver has support for wireless
extensions. The original PS3 gelic wireless driver exposed a
dedicated API for a dedicated wpa_supplicant driver. This old
API could be enabled with CONFIG_GELIC_WIRELESS_OLD_PSK_INTERFACE,
however, as this is not being used by any distros, and it is being
removed from the driver and from wpa_supplicant.
Signed-off-by: Hamish Guthrie <hamish.guthrie@sonycom.com>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Update ps3_defconfig.
o Refresh for 2.6.31.
o Remove MTD support.
o Add more HID drivers.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Refresh and set these options:
CONFIG_SYSFS_DEPRECATED_V2: y -> n
CONFIG_INPUT_JOYSTICK: y -> n
CONFIG_HID_SONY: n -> m
CONFIG_RTC_DRV_PS3: - -> m
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Update ps3_defconfig.
Sets these options:
CONFIG_PS3_VRAM=m
CONFIG_BLK_DEV_DM=m
CONFIG_USB_HIDDEV=y
CONFIG_EXT4_FS=y
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Update ps3_defconfig.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Update ps3_defconfig.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Update ps3_defconfig.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Signed-off-by: Paul Mackerras <paulus@samba.org>
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Update ps3_defconfig.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Currently it's impossible to build a ps3_defconfig which will reboot
without modules installed. This makes it all too easy to find yourself
with a PS3 that won't reboot.
This is because the system manager driver, which provides the reboot
mechanism, is only selectable if PS3_ADVANCED is set, else it defaults
to m. In ps3_defconfig PS3_ADVANCED is not set, therefore the system
manager is built as a module.
It would be desirable IMHO for the defconfig to produce a kernel that
boots and reboots, without needing modules to be installed.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Update ps3_defconfig.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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When checking out the new NO_HZ support in powerpc, I noticed we never
slept for more than 2 seconds. It turns out SLAB has a 2 second per cpu
timer that causes this.
After switching to SLUB I see some nice 4 second sleeps which is the
limit on this POWER6 box (the decrementer ticks at 512MHz):
slept 4.19 sec
slept 4.19 sec
slept 4.19 sec
slept 4.19 sec
slept 3.96 sec
slept 3.80 sec
slept 2.99 sec
Since SLUB is now the default and some powerpc defconfigs already enable
it, lets enable SLUB across the board for consistency. While doing this
I also noticed that the maple defconfig has SLAB debugging enabled which
is sure to make your box nice and slow. Fix that too.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Update ps3_defconfig.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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