<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-dev/arch/sh/mm/cache-sh3.c, branch linus/master</title>
<subtitle>Linux kernel development work - see feature branches</subtitle>
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<updated>2020-08-07T18:33:26Z</updated>
<entry>
<title>mm: remove unneeded includes of &lt;asm/pgalloc.h&gt;</title>
<updated>2020-08-07T18:33:26Z</updated>
<author>
<name>Mike Rapoport</name>
<email>rppt@linux.ibm.com</email>
</author>
<published>2020-08-07T06:22:28Z</published>
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<id>urn:sha1:ca15ca406f660ad5fab55b851d2b269ce915c88d</id>
<content type='text'>
Patch series "mm: cleanup usage of &lt;asm/pgalloc.h&gt;"

Most architectures have very similar versions of pXd_alloc_one() and
pXd_free_one() for intermediate levels of page table.  These patches add
generic versions of these functions in &lt;asm-generic/pgalloc.h&gt; and enable
use of the generic functions where appropriate.

In addition, functions declared and defined in &lt;asm/pgalloc.h&gt; headers are
used mostly by core mm and early mm initialization in arch and there is no
actual reason to have the &lt;asm/pgalloc.h&gt; included all over the place.
The first patch in this series removes unneeded includes of
&lt;asm/pgalloc.h&gt;

In the end it didn't work out as neatly as I hoped and moving
pXd_alloc_track() definitions to &lt;asm-generic/pgalloc.h&gt; would require
unnecessary changes to arches that have custom page table allocations, so
I've decided to move lib/ioremap.c to mm/ and make pgalloc-track.h local
to mm/.

This patch (of 8):

In most cases &lt;asm/pgalloc.h&gt; header is required only for allocations of
page table memory.  Most of the .c files that include that header do not
use symbols declared in &lt;asm/pgalloc.h&gt; and do not require that header.

As for the other header files that used to include &lt;asm/pgalloc.h&gt;, it is
possible to move that include into the .c file that actually uses symbols
from &lt;asm/pgalloc.h&gt; and drop the include from the header file.

The process was somewhat automated using

	sed -i -E '/[&lt;"]asm\/pgalloc\.h/d' \
                $(grep -L -w -f /tmp/xx \
                        $(git grep -E -l '[&lt;"]asm/pgalloc\.h'))

where /tmp/xx contains all the symbols defined in
arch/*/include/asm/pgalloc.h.

[rppt@linux.ibm.com: fix powerpc warning]

Signed-off-by: Mike Rapoport &lt;rppt@linux.ibm.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Reviewed-by: Pekka Enberg &lt;penberg@kernel.org&gt;
Acked-by: Geert Uytterhoeven &lt;geert@linux-m68k.org&gt;	[m68k]
Cc: Abdul Haleem &lt;abdhalee@linux.vnet.ibm.com&gt;
Cc: Andy Lutomirski &lt;luto@kernel.org&gt;
Cc: Arnd Bergmann &lt;arnd@arndb.de&gt;
Cc: Christophe Leroy &lt;christophe.leroy@csgroup.eu&gt;
Cc: Joerg Roedel &lt;joro@8bytes.org&gt;
Cc: Max Filippov &lt;jcmvbkbc@gmail.com&gt;
Cc: Peter Zijlstra &lt;peterz@infradead.org&gt;
Cc: Satheesh Rajendran &lt;sathnaga@linux.vnet.ibm.com&gt;
Cc: Stafford Horne &lt;shorne@gmail.com&gt;
Cc: Stephen Rothwell &lt;sfr@canb.auug.org.au&gt;
Cc: Steven Rostedt &lt;rostedt@goodmis.org&gt;
Cc: Joerg Roedel &lt;jroedel@suse.de&gt;
Cc: Matthew Wilcox &lt;willy@infradead.org&gt;
Link: http://lkml.kernel.org/r/20200627143453.31835-1-rppt@kernel.org
Link: http://lkml.kernel.org/r/20200627143453.31835-2-rppt@kernel.org
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
</entry>
<entry>
<title>mm: don't include asm/pgtable.h if linux/mm.h is already included</title>
<updated>2020-06-09T16:39:13Z</updated>
<author>
<name>Mike Rapoport</name>
<email>rppt@linux.ibm.com</email>
</author>
<published>2020-06-09T04:32:33Z</published>
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<id>urn:sha1:e31cf2f4ca422ac9b14ecc4a1295b8977a20f812</id>
<content type='text'>
Patch series "mm: consolidate definitions of page table accessors", v2.

The low level page table accessors (pXY_index(), pXY_offset()) are
duplicated across all architectures and sometimes more than once.  For
instance, we have 31 definition of pgd_offset() for 25 supported
architectures.

Most of these definitions are actually identical and typically it boils
down to, e.g.

static inline unsigned long pmd_index(unsigned long address)
{
        return (address &gt;&gt; PMD_SHIFT) &amp; (PTRS_PER_PMD - 1);
}

static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address)
{
        return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(address);
}

These definitions can be shared among 90% of the arches provided
XYZ_SHIFT, PTRS_PER_XYZ and xyz_page_vaddr() are defined.

For architectures that really need a custom version there is always
possibility to override the generic version with the usual ifdefs magic.

These patches introduce include/linux/pgtable.h that replaces
include/asm-generic/pgtable.h and add the definitions of the page table
accessors to the new header.

This patch (of 12):

The linux/mm.h header includes &lt;asm/pgtable.h&gt; to allow inlining of the
functions involving page table manipulations, e.g.  pte_alloc() and
pmd_alloc().  So, there is no point to explicitly include &lt;asm/pgtable.h&gt;
in the files that include &lt;linux/mm.h&gt;.

The include statements in such cases are remove with a simple loop:

	for f in $(git grep -l "include &lt;linux/mm.h&gt;") ; do
		sed -i -e '/include &lt;asm\/pgtable.h&gt;/ d' $f
	done

Signed-off-by: Mike Rapoport &lt;rppt@linux.ibm.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Cc: Arnd Bergmann &lt;arnd@arndb.de&gt;
Cc: Borislav Petkov &lt;bp@alien8.de&gt;
Cc: Brian Cain &lt;bcain@codeaurora.org&gt;
Cc: Catalin Marinas &lt;catalin.marinas@arm.com&gt;
Cc: Chris Zankel &lt;chris@zankel.net&gt;
Cc: "David S. Miller" &lt;davem@davemloft.net&gt;
Cc: Geert Uytterhoeven &lt;geert@linux-m68k.org&gt;
Cc: Greentime Hu &lt;green.hu@gmail.com&gt;
Cc: Greg Ungerer &lt;gerg@linux-m68k.org&gt;
Cc: Guan Xuetao &lt;gxt@pku.edu.cn&gt;
Cc: Guo Ren &lt;guoren@kernel.org&gt;
Cc: Heiko Carstens &lt;heiko.carstens@de.ibm.com&gt;
Cc: Helge Deller &lt;deller@gmx.de&gt;
Cc: Ingo Molnar &lt;mingo@redhat.com&gt;
Cc: Ley Foon Tan &lt;ley.foon.tan@intel.com&gt;
Cc: Mark Salter &lt;msalter@redhat.com&gt;
Cc: Matthew Wilcox &lt;willy@infradead.org&gt;
Cc: Matt Turner &lt;mattst88@gmail.com&gt;
Cc: Max Filippov &lt;jcmvbkbc@gmail.com&gt;
Cc: Michael Ellerman &lt;mpe@ellerman.id.au&gt;
Cc: Michal Simek &lt;monstr@monstr.eu&gt;
Cc: Mike Rapoport &lt;rppt@kernel.org&gt;
Cc: Nick Hu &lt;nickhu@andestech.com&gt;
Cc: Paul Walmsley &lt;paul.walmsley@sifive.com&gt;
Cc: Richard Weinberger &lt;richard@nod.at&gt;
Cc: Rich Felker &lt;dalias@libc.org&gt;
Cc: Russell King &lt;linux@armlinux.org.uk&gt;
Cc: Stafford Horne &lt;shorne@gmail.com&gt;
Cc: Thomas Bogendoerfer &lt;tsbogend@alpha.franken.de&gt;
Cc: Thomas Gleixner &lt;tglx@linutronix.de&gt;
Cc: Tony Luck &lt;tony.luck@intel.com&gt;
Cc: Vincent Chen &lt;deanbo422@gmail.com&gt;
Cc: Vineet Gupta &lt;vgupta@synopsys.com&gt;
Cc: Will Deacon &lt;will@kernel.org&gt;
Cc: Yoshinori Sato &lt;ysato@users.sourceforge.jp&gt;
Link: http://lkml.kernel.org/r/20200514170327.31389-1-rppt@kernel.org
Link: http://lkml.kernel.org/r/20200514170327.31389-2-rppt@kernel.org
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
</entry>
<entry>
<title>treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 211</title>
<updated>2019-05-30T18:29:53Z</updated>
<author>
<name>Thomas Gleixner</name>
<email>tglx@linutronix.de</email>
</author>
<published>2019-05-28T17:10:14Z</published>
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<id>urn:sha1:c456cfc2e52bff3540614ac85e0a1da95248f637</id>
<content type='text'>
Based on 1 normalized pattern(s):

  released under the terms of the gnu gpl v2 0

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 9 file(s).

Signed-off-by: Thomas Gleixner &lt;tglx@linutronix.de&gt;
Reviewed-by: Allison Randal &lt;allison@lohutok.net&gt;
Reviewed-by: Steve Winslow &lt;swinslow@gmail.com&gt;
Reviewed-by: Alexios Zavras &lt;alexios.zavras@intel.com&gt;
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528171439.076212120@linutronix.de
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</content>
</entry>
<entry>
<title>Replace &lt;asm/uaccess.h&gt; with &lt;linux/uaccess.h&gt; globally</title>
<updated>2016-12-24T19:46:01Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2016-12-24T19:46:01Z</published>
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<id>urn:sha1:7c0f6ba682b9c7632072ffbedf8d328c8f3c42ba</id>
<content type='text'>
This was entirely automated, using the script by Al:

  PATT='^[[:blank:]]*#[[:blank:]]*include[[:blank:]]*&lt;asm/uaccess.h&gt;'
  sed -i -e "s!$PATT!#include &lt;linux/uaccess.h&gt;!" \
        $(git grep -l "$PATT"|grep -v ^include/linux/uaccess.h)

to do the replacement at the end of the merge window.

Requested-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
</entry>
<entry>
<title>sh: Mass ctrl_in/outX to __raw_read/writeX conversion.</title>
<updated>2010-01-26T03:58:40Z</updated>
<author>
<name>Paul Mundt</name>
<email>lethal@linux-sh.org</email>
</author>
<published>2010-01-26T03:58:40Z</published>
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<id>urn:sha1:9d56dd3b083a3bec56e9da35ce07baca81030b03</id>
<content type='text'>
The old ctrl in/out routines are non-portable and unsuitable for
cross-platform use. While drivers/sh has already been sanitized, there
is still quite a lot of code that is not. This converts the arch/sh/ bits
over, which permits us to flag the routines as deprecated whilst still
building with -Werror for the architecture code, and to ensure that
future users are not added.

Signed-off-by: Paul Mundt &lt;lethal@linux-sh.org&gt;
</content>
</entry>
<entry>
<title>sh: Convert SH-3 to new cacheflush interface.</title>
<updated>2009-08-15T03:42:55Z</updated>
<author>
<name>Paul Mundt</name>
<email>lethal@linux-sh.org</email>
</author>
<published>2009-08-15T03:42:55Z</published>
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<id>urn:sha1:79f1c9da5e5fc5f4705836d8c1cee2213fc80640</id>
<content type='text'>
Signed-off-by: Paul Mundt &lt;lethal@linux-sh.org&gt;
</content>
</entry>
<entry>
<title>sh: Fixup cpu_data references for the non-boot CPUs.</title>
<updated>2007-02-13T01:54:45Z</updated>
<author>
<name>Paul Mundt</name>
<email>lethal@linux-sh.org</email>
</author>
<published>2006-12-25T01:19:56Z</published>
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<id>urn:sha1:11c1965687b0a472add948d4240dfe65a2fcb298</id>
<content type='text'>
There are a lot of bogus cpu_data-&gt; references that only end up working
for the boot CPU, convert these to current_cpu_data to fixup SMP.

Signed-off-by: Paul Mundt &lt;lethal@linux-sh.org&gt;
</content>
</entry>
<entry>
<title>Linux-2.6.12-rc2</title>
<updated>2005-04-16T22:20:36Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@ppc970.osdl.org</email>
</author>
<published>2005-04-16T22:20:36Z</published>
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<id>urn:sha1:1da177e4c3f41524e886b7f1b8a0c1fc7321cac2</id>
<content type='text'>
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
</content>
</entry>
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