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numactl-fix-for-ppc64.patch
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136
numactl-fix-for-ppc64.patch
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@ -0,0 +1,136 @@
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From: Bernhard Walle <bwalle@suse.de>
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Subject: [PATCH] Fix "memset fails with 'mbind: Invalid argument'" on PPC64
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References: bnc #455977
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Backport of
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https://bugzilla.novell.com/attachment.cgi?id=264645
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Signed-off-by: Bernhard Walle <bwalle@suse.de>
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---
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libnuma.c | 56 +++++++++++++++++++++++++++++++++++++++++++++-----------
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numaint.h | 1 +
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2 files changed, 46 insertions(+), 11 deletions(-)
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--- a/libnuma.c
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+++ b/libnuma.c
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@@ -69,12 +69,37 @@ static int maxprocnode = -1;
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static int maxproccpu = -1;
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static int nodemask_sz = 0;
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static int cpumask_sz = 0;
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+static int is_bigendian_64;
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int numa_exit_on_error = 0;
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int numa_exit_on_warn = 0;
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static void set_sizes(void);
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/*
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+ * return 1 if this machine is big-endian 64-bit
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+ */
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+int
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+big_endian64()
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+{
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+ union {
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+ struct {
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+ int a;
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+ int b;
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+ } ints;
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+ struct {
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+ long a;
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+ } lng;
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+ } ua;
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+ if (sizeof(long) != 8)
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+ return 0;
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+ ua.ints.a = 0;
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+ ua.ints.b = 3;
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+ if (ua.lng.a == 3)
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+ return 1;
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+ return 0;
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+}
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+
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+/*
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* There are two special functions, _init(void) and _fini(void), which
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* are called automatically by the dynamic loader whenever a library is loaded.
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*
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@@ -91,6 +116,7 @@ numa_init(void)
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for (i = 0; i < max; i++)
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nodemask_set_compat((nodemask_t *)&numa_all_nodes, i);
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memset(&numa_no_nodes, 0, sizeof(numa_no_nodes));
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+ is_bigendian_64 = big_endian64();
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}
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/*
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@@ -103,10 +129,18 @@ numa_init(void)
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static unsigned int
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_getbit(const struct bitmask *bmp, unsigned int n)
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{
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- if (n < bmp->size)
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- return (bmp->maskp[n/bitsperlong] >> (n % bitsperlong)) & 1;
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- else
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- return 0;
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+ unsigned long *ip;
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+
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+ if (n < bmp->size) {
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+ if (is_bigendian_64) {
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+ ip = bmp->maskp;
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+ return (ip[n/bitsperlong] >>
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+ (n % bitsperlong)) & 1;
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+ } else
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+ return (bmp->maskp[n/bitsperlong] >>
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+ (n % bitsperlong)) & 1;
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+ } else
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+ return 0;
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}
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static void
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@@ -372,10 +406,10 @@ read_mask(char *s, struct bitmask *bmp)
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{
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char *end = s;
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char *prevend;
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- unsigned int *start = (unsigned int *)bmp->maskp;
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- unsigned int *p = start;
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- unsigned int *q;
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- unsigned int i;
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+ unsigned long *start = (unsigned long *)bmp->maskp;
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+ unsigned long *p = start;
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+ unsigned long *q;
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+ unsigned long i;
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unsigned int n = 0;
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i = strtoul(s, &end, 16);
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@@ -404,21 +438,21 @@ read_mask(char *s, struct bitmask *bmp)
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* is the highest and we put it first because we read it first.
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*/
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for (q = start + n, p = start; p < q; q--, p++) {
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- unsigned int x = *q;
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+ unsigned long x = *q;
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*q = *p;
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*p = x;
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}
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/* Poor mans fls() */
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- for(i = 31; i >= 0; i--)
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+ for(i = sizeof(unsigned long)*8 - 1; i >= 0; i--)
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if (test_bit(i, start + n))
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break;
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/*
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* Return the last bit set
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*/
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- return ((sizeof(unsigned int)*8) * n) + i;
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+ return ((sizeof(unsigned long)*8) * n) + i;
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}
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/*
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--- a/numaint.h
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+++ b/numaint.h
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@@ -32,6 +32,7 @@ enum numa_warn {
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};
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#define howmany(x,y) (((x)+((y)-1))/(y))
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+#define bitsperint (8 * sizeof(unsigned int))
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#define bitsperlong (8 * sizeof(unsigned long))
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#define longsperbits(n) howmany(n, bitsperlong)
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#define bytesperbits(x) ((x+7)/8)
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@ -1,3 +1,9 @@
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-------------------------------------------------------------------
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Tue Jan 13 09:48:27 CET 2009 - bwalle@suse.de
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- Fix "memset fails with 'mbind: Invalid argument'" on PPC64
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(bnc #455977).
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-------------------------------------------------------------------
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Mon Dec 8 16:46:29 CET 2008 - kukuk@suse.de
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11
numactl.spec
11
numactl.spec
@ -1,7 +1,7 @@
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#
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# spec file for package numactl (Version 2.0.2)
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#
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# Copyright (c) 2008 SUSE LINUX Products GmbH, Nuernberg, Germany.
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# Copyright (c) 2009 SUSE LINUX Products GmbH, Nuernberg, Germany.
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#
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# All modifications and additions to the file contributed by third parties
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# remain the property of their copyright owners, unless otherwise agreed
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@ -23,7 +23,7 @@ Name: numactl
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License: GPL v2 only; GPL v2 or later
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Summary: NUMA Policy Control
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Version: 2.0.2
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Release: 19
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Release: 21
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AutoReqProv: on
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Source: numactl-%{version}.tar.bz2
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Group: System/Management
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@ -31,6 +31,7 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-build
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ExclusiveArch: ia64 x86_64 ppc64 ppc
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Requires: perl
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Patch0: %{name}-compat.diff
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Patch1: %{name}-fix-for-ppc64.patch
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%description
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Control NUMA policy for individual processes. Offer libnuma for
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@ -81,6 +82,9 @@ Authors:
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%prep
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%setup
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%patch0 -p1
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%ifarch ppc ppc64
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%patch1 -p1
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%endif
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%build
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make CFLAGS="${RPM_OPT_FLAGS}"
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@ -120,6 +124,9 @@ rm -rf $RPM_BUILD_ROOT
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%{_libdir}/lib*so
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%changelog
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* Tue Jan 13 2009 bwalle@suse.de
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- Fix "memset fails with 'mbind: Invalid argument'" on PPC64
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(bnc #455977).
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* Mon Dec 08 2008 kukuk@suse.de
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- Fix baselibs.conf
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* Fri Dec 05 2008 bwalle@suse.de
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