17 Aug, 2019
1 commit
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With the SGI SN2 machvec removal most of the indirections are unused
now, so remove them. This includes the entire removal of the mmio
read*/write* macros as the generic ones are identical to the
asm-generic/io.h version.Signed-off-by: Christoph Hellwig
Link: https://lkml.kernel.org/r/20190813072514.23299-17-hch@lst.de
Signed-off-by: Tony Luck
24 May, 2019
1 commit
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 or at your option any
later version you should have received a copy of the gnu general
public license for example usr src linux copying if not write to the
free software foundation inc 675 mass ave cambridge ma 02139 usaextracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 20 file(s).
Signed-off-by: Thomas Gleixner
Reviewed-by: Allison Randal
Reviewed-by: Kate Stewart
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190520170858.552543146@linutronix.de
Signed-off-by: Greg Kroah-Hartman
21 May, 2019
1 commit
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Add SPDX license identifiers to all files which:
- Have no license information of any form
- Have EXPORT_.*_SYMBOL_GPL inside which was used in the
initial scan/conversion to ignore the fileThese files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:GPL-2.0-only
Signed-off-by: Thomas Gleixner
Signed-off-by: Greg Kroah-Hartman
02 Nov, 2017
1 commit
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Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.By default all files without license information are under the default
license of the kernel, which is GPL version 2.Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if
Reviewed-by: Philippe Ombredanne
Reviewed-by: Thomas Gleixner
Signed-off-by: Greg Kroah-Hartman
16 May, 2017
1 commit
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no callers, no consistent semantics, no sane way to use it...
Signed-off-by: Al Viro
02 May, 2017
1 commit
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Pull uaccess unification updates from Al Viro:
"This is the uaccess unification pile. It's _not_ the end of uaccess
work, but the next batch of that will go into the next cycle. This one
mostly takes copy_from_user() and friends out of arch/* and gets the
zero-padding behaviour in sync for all architectures.Dealing with the nocache/writethrough mess is for the next cycle;
fortunately, that's x86-only. Same for cleanups in iov_iter.c (I am
sold on access_ok() in there, BTW; just not in this pile), same for
reducing __copy_... callsites, strn*... stuff, etc. - there will be a
pile about as large as this one in the next merge window.This one sat in -next for weeks. -3KLoC"
* 'work.uaccess' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (96 commits)
HAVE_ARCH_HARDENED_USERCOPY is unconditional now
CONFIG_ARCH_HAS_RAW_COPY_USER is unconditional now
m32r: switch to RAW_COPY_USER
hexagon: switch to RAW_COPY_USER
microblaze: switch to RAW_COPY_USER
get rid of padding, switch to RAW_COPY_USER
ia64: get rid of copy_in_user()
ia64: sanitize __access_ok()
ia64: get rid of 'segment' argument of __do_{get,put}_user()
ia64: get rid of 'segment' argument of __{get,put}_user_check()
ia64: add extable.h
powerpc: get rid of zeroing, switch to RAW_COPY_USER
esas2r: don't open-code memdup_user()
alpha: fix stack smashing in old_adjtimex(2)
don't open-code kernel_setsockopt()
mips: switch to RAW_COPY_USER
mips: get rid of tail-zeroing in primitives
mips: make copy_from_user() zero tail explicitly
mips: clean and reorder the forest of macros...
mips: consolidate __invoke_... wrappers
...
14 Apr, 2017
1 commit
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The ia64 build generates many warnings like this:
WARNING: EXPORT symbol "empty_zero_page" [vmlinux] version generation failed, symbol will not be versioned.
Besides adding the necessary header this also requires fiddling with
some explicit .S -> .o rules.Cc: IA64-ML
Signed-off-by: Jan Beulich
Signed-off-by: Tony Luck
Signed-off-by: Linus Torvalds
07 Apr, 2017
1 commit
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Merced is fucked, so what else is new?
Signed-off-by: Al Viro
25 Dec, 2016
1 commit
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This was entirely automated, using the script by Al:
PATT='^[[:blank:]]*#[[:blank:]]*include[[:blank:]]*'
sed -i -e "s!$PATT!#include !" \
$(git grep -l "$PATT"|grep -v ^include/linux/uaccess.h)to do the replacement at the end of the merge window.
Requested-by: Al Viro
Signed-off-by: Linus Torvalds
08 Aug, 2016
2 commits
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Here we have another kind of deviation from the default case -
a difference between exporting functions and non-functions.
EXPORT_DATA_SYMBOL... is really different from EXPORT_SYMBOL...
on ia64, and we need to use the right one when moving exports
from *.c where C compiler has the required information to
*.S, where we need to supply it manually.parisc64 will be another one like that.
Tested-by: Tony Luck
Signed-off-by: Al Viro -
Collect the symbols exported by anything that goes into lib.a and
add an empty object (lib-exports.o) with explicit undefs for each
of those to obj-y.That allows to relax the rules regarding the use of exports in
lib-* objects - right now an object with export can be in lib-*
only if we are guaranteed that there always will be users in
built-in parts of the tree, otherwise it needs to be in obj-*.
As the result, we have an unholy mix of lib- and obj- in lib/Makefile
and (especially) in arch/*/lib/Makefile. Moreover, a change in
generic part of the kernel can lead to mysteriously missing exports
on some configs. With this change we don't have to worry about
that anymore.One side effect is that built-in.o now pulls everything with exports
from the corresponding lib.a (if such exists). That's exactly what
we want for linking vmlinux and fortunately it's almost the only thing
built-in.o is used in. arch/ia64/hp/sim/boot/bootloader is the only
exception and it's easy to get rid of now - just turn everything in
arch/ia64/lib into lib-* and don't bother with arch/ia64/lib/built-in.o
anymore.[AV: stylistic fix from Michal folded in]
Acked-by: Michal Marek
Signed-off-by: Al Viro
18 Apr, 2016
2 commits
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Sync with Linus' tree so that patches against newer codebase can be applied.
Signed-off-by: Jiri Kosina
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The URL to the book IA-64 and Elementary Functions in idiv32.S and
idiv64.S just led to a 404 page, so I updated them with a known good link
that others can reference.Signed-off-by: Sina Hamedian
Signed-off-by: Jiri Kosina
14 Mar, 2016
1 commit
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This patch updates all instances of csum_tcpudp_magic and
csum_tcpudp_nofold to reflect the types that are usually used as the source
inputs. For example the protocol field is populated based on nexthdr which
is actually an unsigned 8 bit value. The length is usually populated based
on skb->len which is an unsigned integer.This addresses an issue in which the IPv6 function csum_ipv6_magic was
generating a checksum using the full 32b of skb->len while
csum_tcpudp_magic was only using the lower 16 bits. As a result we could
run into issues when attempting to adjust the checksum as there was no
protocol agnostic way to update it.With this change the value is still truncated as many architectures use
"(len + proto) << 8", however this truncation only occurs for values
greater than 16776960 in length and as such is unlikely to occur as we stop
the inner headers at ~64K in size.I did have to make a few minor changes in the arm, mn10300, nios2, and
score versions of the function in order to support these changes as they
were either using things such as an OR to combine the protocol and length,
or were using ntohs to convert the length which would have truncated the
value.I also updated a few spots in terms of whitespace and type differences for
the addresses. Most of this was just to make sure all of the definitions
were in sync going forward.Signed-off-by: Alexander Duyck
Signed-off-by: David S. Miller
31 Mar, 2011
1 commit
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Fixes generated by 'codespell' and manually reviewed.
Signed-off-by: Lucas De Marchi
03 Sep, 2009
1 commit
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The 32-bit parameters (len and csum) of csum_ipv6_magic() are passed in 64-bit
registers in2 and in4. The high order 32 bits of the registers were never
cleared, and garbage was sometimes calculated into the checksum.Fix this by clearing the high order 32 bits of these registers.
Signed-off-by: Jiri Bohac
Signed-off-by: Tony Luck
18 Oct, 2008
1 commit
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The patch contains Intel IOMMU IA64 specific code. It defines new
machvec dig_vtd, hooks for IOMMU, DMAR table detection, cache line flush
function, etc.For a generic kernel with CONFIG_DMAR=y, if Intel IOMMU is detected,
dig_vtd is used for machinve vector. Otherwise, kernel falls back to
dig machine vector. Kernel parameter "machvec=dig" or "intel_iommu=off"
can be used to force kernel to boot dig machine vector.Signed-off-by: Fenghua Yu
Signed-off-by: Tony Luck
08 Dec, 2007
1 commit
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With the unionfs patch applied I get
ERROR: "copy_page" [fs/unionfs/unionfs.ko] undefined!
the other architectures (some, at least) export copy_page() so I guess ia64
should also do so.To do this we need to move the copy_page() functions out of lib.a and into
built-in.o and add the EXPORT_SYMBOL().Cc: Sam Ravnborg
Cc: Kyle McMartin
Signed-off-by: Andrew Morton
Signed-off-by: Tony Luck
18 Jul, 2007
1 commit
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Signed-off-by: Al Viro
Acked-by: David S. Miller
Acked-by: Geert Uytterhoeven
Signed-off-by: Linus Torvalds
28 Apr, 2007
1 commit
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Fixes for various arch compilation problems:
(*) Missing module exports.
(*) Variable name collision when rxkad and af_rxrpc both built in
(rxrpc_debug).(*) Large constant representation problem (AFS_UUID_TO_UNIX_TIME).
(*) Configuration dependencies.
(*) printk() format warnings.
Signed-off-by: David Howells
Signed-off-by: David S. Miller
07 Mar, 2007
1 commit
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Always build ia64 xor.o because multiple config options now depend on it.
Necessary to build .20-mm* on ia64 when, e.g., CONFIG_ASYNC_TX_DMA is
defined. Don't know if '_ASYNC_TX_DMA makes sense on ia64. If not, maybe
Kconfig should preclude it.Could have defined a Kconfig option that defaults to true if MD_RAID456 ||
ASYNC_TX_DMA to control building of xor.o, but xor.o is only 848 bytes and
this IS ia64...Signed-off-by: Lee Schermerhorn
Cc: Bob Picco
Cc: Eric Whitney
Signed-off-by: Andrew Morton
Signed-off-by: Tony Luck
08 Dec, 2006
2 commits
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While working on implementing csum_ipv6_magic, I noticed that current
version of ip_fast_csum will potentially return bits above "unsigned
short" as 1. While no harm is done right now because all call sites
will chop off the upper bits when it uses the return value. However,
this is still dangerous and buggy. Here is a patch to enforce that the
function really returns unsigned short in the native register format.The fix is free as there are plenty open slot to add one more asm instruction.
Signed-off-by: Ken Chen
Signed-off-by: Tony Luck -
The asm version is 4.4 times faster than the generic C version and
10X smaller in code size.Signed-off-by: Ken Chen
Signed-off-by: Tony Luck
03 Dec, 2006
1 commit
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* sanitize prototypes, annotate
* ntohs -> shift in checksum calculations
* kill access_ok() in csum_partial_copy_from_user
* collapse do_csum_partial_copy_from_userSigned-off-by: Al Viro
Signed-off-by: David S. Miller
04 Aug, 2006
1 commit
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CONFIG_MD_RAID5 became CONFIG_MD_RAID456 in drivers/md/Kconfig. Make
the same change in arch/ia64Signed-off-by: Prarit Bhargava
Signed-off-by: Aron Griffis
Acked-by: Jes Sorenson
Signed-off-by: Tony Luck
01 Jul, 2006
1 commit
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Signed-off-by: Jörn Engel
Signed-off-by: Adrian Bunk
06 May, 2006
1 commit
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Bob Picco noted that 6edfba1b33c701108717f4e036320fc39abe1912
dropped the -ffreestanding compiler flag from the top level
Makefile, which allows the compiler to substitute memcpy() in
places where strcpy() is used with a known size source string.
But the ia64 memcpy() returns 0 for success, and "bytes copied"
for failure.Fix to return the address of the destination string (like
stdlibc version, and other architectures). There are no
places where ia64 specific code makes use of the non-standard
return value.Signed-off-by: Ken Chen
Signed-off-by: Tony Luck
27 Mar, 2006
1 commit
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- remove generic_fls64()
- remove find_{next,first}{,_zero}_bit()
- remove ext2_{set,clear,test,find_first_zero,find_next_zero}_bit()
- remove minix_{test,set,test_and_clear,test,find_first_zero}_bit()
- remove sched_find_first_bit()Signed-off-by: Akinobu Mita
Cc: "Luck, Tony"
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
21 Oct, 2005
1 commit
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changes to swiotlb.c made in commit 281dd25cdc0d6903929b79183816d151ea626341
since this file has been moved from arch/ia64/lib/swiotlb.c to
lib/swiotlb.cSigned-off-by: Tony Luck
20 Oct, 2005
1 commit
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This introduces a limit parameter to the core bootmem allocator; The new
parameter indicates that physical memory allocated by the bootmem
allocator should be within the requested limit.We also introduce alloc_bootmem_low_pages_limit, alloc_bootmem_node_limit,
alloc_bootmem_low_pages_node_limit apis, but alloc_bootmem_low_pages_limit
is the only api used for swiotlb.The existing alloc_bootmem_low_pages() api could instead have been
changed and made to pass right limit to the core allocator. But that
would make the patch more intrusive for 2.6.14, as other arches use
alloc_bootmem_low_pages(). We may be done that post 2.6.14 as a
cleanup.With this, swiotlb gets memory within 4G for both x86_64 and ia64
arches.Signed-off-by: Yasunori Goto
Cc: Ravikiran G Thirumalai
Signed-off-by: Linus Torvalds
30 Sep, 2005
1 commit
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The swiotlb implementation is shared by both IA-64 and EM64T. However,
the source itself lives under arch/ia64. This patch moves swiotlb.c
from arch/ia64/lib to lib/ and fixes-up the appropriate Makefile and
Kconfig files. No actual changes are made to swiotlb.c.Signed-off-by: John W. Linville
Signed-off-by: Tony Luck
15 Sep, 2005
2 commits
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Several implementations were essentialy a common piece of C code using
the cmpxchg() macro. Put the implementation in one spot that everyone
can share, and convert sparc64 over to using this.Alpha is the lone arch-specific implementation, which codes up a
special fast path for the common case in order to avoid GP reloading
which a pure C version would require.Signed-off-by: David S. Miller
-
Machine vector selection has always been a bit of a hack given how
early in system boot it needs to be done. Services like ACPI namespace
are not available and there are non-trivial problems to moving them to
early boot. However, there's no reason we can't change to a different
machvec later in boot when the services we need are available. By
adding a entry point for later initialization of the swiotlb, we can add
an error path for the hpzx1 machevec initialization and fall back to the
DIG machine vector if IOMMU hardware isn't found in the system. Since
ia64 uses 4GB for zone DMA (no ISA support), it's trivial to allocate a
contiguous range from the slab for bounce buffer usage.Signed-off-by: Alex Williamson
Signed-off-by: Tony Luck
09 Sep, 2005
1 commit
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arch/ia64/Kconfig
arch/ia64/kernel/acpi.c
include/asm-ia64/irq.hSigned-off-by: Tony Luck
08 Sep, 2005
1 commit
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This patch contains the ia64 architecture specific changes to prevent the
possible race conditions.Signed-off-by: Prasanna S Panchamukhi
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
07 Sep, 2005
1 commit
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The exception handler in copy user always expects fault occurs only on
user space address and the fall back recovery code is written with that
very assumption in mind. Recent source code inspection revealed that
while it worked splendid and to the expectation under normal circumstances,
It broke down under unexpected condition where some address calculation
might go outside the legal address range the original copy_user was
called for. This patch is to make copy_user exception handler more robust
and to prevent potential memory corruption.Signed-off-by: Ken Chen
Signed-off-by: Tony Luck
30 Aug, 2005
1 commit
27 Aug, 2005
1 commit
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copy_page.o appeared twice in arch/ia64/lib/Makefile. The
one in global lib-y is wrong where it should be just in
lib-$(CONFIG_ITANIUM).Both copy_page.o and copy_page_mck.o are build for Itanium2
processor and the link order will pick up the low performing
copy_page function (originally written for itanium processor).
In this case, we really want the copy_page_mck.o for optimized
version.Signed-off-by: Kenneth Chen
Signed-off-by: Tony Luck
19 Aug, 2005
1 commit
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Fix swiotlb sizing to match what the comments and the kernel
parameters documentation indicate. Given a default 16k page size kernel
(ia64) and a 2k swiotlb page size, we're off by a multiple of 8 trying
to size the swiotlb. When specified on the boot line, the swiotlb is
made 8x bigger than requested. When left to the default value, it's 8x
smaller than the comments indicate. For x86_64 the multiplier would be
2x. The patch below fixes this. Now, what's a good default swiotlb
size? Apparently we don't really need 64MB.Signed-off-by: Alex Williamson
Signed-off-by: Tony Luck
13 Jul, 2005
1 commit
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Check with PAL to see what the i-cache line size is for
each level of the cache, and so use the correct stride
when flushing the cache.Acked-by: David Mosberger
Signed-off-by: Tony Luck
