We generally build the SMP kernel everywhere these days, and install using it.
---
isys/isys.c | 17 --
isys/isys.py | 6 +-
isys/smp.c | 651 ---------------------------------------------------------
isys/smp.h | 26 ---
yuminstall.py | 2 +-
5 files changed, 4 insertions(+), 698 deletions(-)
delete mode 100644 isys/smp.c
delete mode 100644 isys/smp.h
diff --git a/isys/isys.c b/isys/isys.c
index 0813e50..33b3782 100644
--- a/isys/isys.c
+++ b/isys/isys.c
@@ -77,7 +77,6 @@
#include "isys.h"
#include "imount.h"
#include "ethtool.h"
-#include "smp.h"
#include "lang.h"
#include "eddsupport.h"
#include "auditd.h"
@@ -89,8 +88,6 @@
static PyObject * doMount(PyObject * s, PyObject * args);
static PyObject * doUMount(PyObject * s, PyObject * args);
-static PyObject * smpAvailable(PyObject * s, PyObject * args);
-static PyObject * htAvailable(PyObject * s, PyObject * args);
static PyObject * doSwapon(PyObject * s, PyObject * args);
static PyObject * doSwapoff(PyObject * s, PyObject * args);
static PyObject * doLoSetup(PyObject * s, PyObject * args);
@@ -144,8 +141,6 @@ static PyMethodDef isysModuleMethods[] = {
{ "unlosetup", (PyCFunction) doUnLoSetup, METH_VARARGS, NULL },
{ "ddfile", (PyCFunction) doDdFile, METH_VARARGS, NULL },
{ "mount", (PyCFunction) doMount, METH_VARARGS, NULL },
- { "smpavailable", (PyCFunction) smpAvailable, METH_VARARGS, NULL },
- { "htavailable", (PyCFunction) htAvailable, METH_VARARGS, NULL },
{ "umount", (PyCFunction) doUMount, METH_VARARGS, NULL },
{ "resetresolv", (PyCFunction) doResetResolv, METH_VARARGS, NULL },
{ "swapon", (PyCFunction) doSwapon, METH_VARARGS, NULL },
@@ -335,18 +330,6 @@ static PyObject * doSwapon (PyObject * s, PyObject * args) {
return Py_None;
}
-static PyObject * smpAvailable(PyObject * s, PyObject * args) {
- if (!PyArg_ParseTuple(args, "")) return NULL;
-
- return Py_BuildValue("i", detectSMP());
-}
-
-static PyObject * htAvailable(PyObject * s, PyObject * args) {
- if (!PyArg_ParseTuple(args, "")) return NULL;
-
- return Py_BuildValue("i", detectHT());
-}
-
void init_isys(void) {
PyObject * m, * d;
diff --git a/isys/isys.py b/isys/isys.py
index 5894617..ab905c9 100755
--- a/isys/isys.py
+++ b/isys/isys.py
@@ -387,9 +387,9 @@ def umount(what, removeDir = 1):
## Get the SMP status of the system.
# @return True if this is an SMP system, False otherwise.
def smpAvailable():
- return _isys.smpavailable()
-
-htavailable = _isys.htavailable
+ if os.sysconf(os.sysconf_names["SC_NPROCESSORS_CONF"]) > 1:
+ return 1
+ return 0
## Disable swap.
# @param path The full path of the swap device to disable.
diff --git a/isys/smp.c b/isys/smp.c
deleted file mode 100644
index 6b01796..0000000
--- a/isys/smp.c
+++ /dev/null
@@ -1,651 +0,0 @@
-/*
- * smp.c
- *
- * Copyright (C) 2007 Red Hat, Inc. All rights reserved.
- *
- * 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 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/*
-[_Anarchy_(alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx)] you should do one check
- though - if the board seems to be SMP and the CPU in /proc/cpuinfo is non
- intel dont install an SMP kernel - thats a dual pentium board with a cyrix
- or similar single cpu in it
-*/
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <string.h>
-#include <errno.h>
-#include <stdint.h>
-#include <sys/types.h>
-
-#ifdef __alpha__
-int alphaDetectSMP(void)
-{
- int issmp = 0;
- FILE *f;
-
- f = fopen("/proc/cpuinfo", "r");
- if (f) {
- char buff[1024];
-
- while (fgets (buff, 1024, f) != NULL) {
- if (!strncmp (buff, "cpus detected\t\t: ", 17)) {
- if (strtoul (buff + 17, NULL, 0) > 1)
- issmp = 1;
- break;
- }
- }
- fclose(f);
- } else
- return -1;
-
- return issmp;
-}
-#endif /* __alpha__ */
-
-
-#if defined (__s390__) || defined (__s390x__)
-int s390DetectSMP(void)
-{
- int issmp = 0;
- FILE *f;
-
- f = fopen("/proc/cpuinfo", "r");
- if (f) {
- char buff[1024];
-
- while (fgets (buff, 1024, f) != NULL) {
- if (!strncmp (buff, "# processors : ", 18)) {
- if (strtoul (buff + 18, NULL, 0) > 1)
- issmp = 1;
- break;
- }
- }
- fclose(f);
- } else
- return -1;
-
- return issmp;
-}
-#endif /* __s390__ */
-
-#ifdef __sparc__
-int sparcDetectSMP(void)
-{
- int issmp = 0;
- FILE *f;
-
- f = fopen("/proc/cpuinfo", "r");
- if (f) {
- char buff[1024];
-
- while (fgets (buff, 1024, f) != NULL) {
- if (!strncmp (buff, "ncpus probed\t: ", 15)) {
- if (strtoul (buff + 15, NULL, 0) > 1)
- issmp = 1;
- break;
- }
- }
- fclose(f);
- } else
- return -1;
-
- return issmp;
-}
-#endif /* __sparc__ */
-
-#ifdef __powerpc__
-#include "minifind.h"
-
-/* FIXME: this won't work on iSeries */
-int powerpcDetectSMP(void)
-{
- int issmp = -1;
- FILE *f;
- struct findNode *list = (struct findNode *) malloc(sizeof(struct findNode));
- struct pathNode *n;
-
- list->result = (struct pathNode *) malloc(sizeof(struct pathNode));
- list->result->path = NULL;
- list->result->next = list->result;
-
- minifind("/proc/device-tree/cpus", "device_type", list);
-
- for (n = list->result->next; n != list->result; n = n->next)
- {
- f = fopen(n->path, "r");
- if (f) {
- char buff[1024];
- while (fgets (buff, 1024, f) != NULL) {
- if (!strncmp (buff, "cpu", 3))
- {
- issmp++;
- break;
- }
- }
- fclose(f);
- }
- }
-
- return issmp;
-}
-#endif /* __powerpc__ */
-
-#if defined(__i386__) || defined(__x86_64__)
-/*
- * Copyright (c) 1996, by Steve Passe
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. The name of the developer may NOT be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $Id$
- */
-
-/*
- * mptable.c
- */
-
-#define VMAJOR 2
-#define VMINOR 0
-#define VDELTA 12
-
-/*
- * this will cause the raw mp table to be dumped to /tmp/mpdump
- *
-#define RAW_DUMP
- */
-
-#define MP_SIG 0x5f504d5f /* _MP_ */
-#define EXTENDED_PROCESSING_READY
-#define OEM_PROCESSING_READY_NOT
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/types.h>
-
-#define LINUX 1
-#if LINUX
-typedef uint32_t vm_offset_t;
-#else
-#include <machine/types.h>
-#endif
-
-/* EBDA is @ 40:0e in real-mode terms */
-#define EBDA_POINTER 0x040e /* location of EBDA pointer */
-
-/* CMOS 'top of mem' is @ 40:13 in real-mode terms */
-#define TOPOFMEM_POINTER 0x0413 /* BIOS: base memory size */
-
-#define DEFAULT_TOPOFMEM 0xa0000
-
-#define BIOS_BASE 0xf0000
-#define BIOS_BASE2 0xe0000
-#define BIOS_SIZE 0x10000
-#define ONE_KBYTE 1024
-
-#define GROPE_AREA1 0x80000
-#define GROPE_AREA2 0x90000
-#define GROPE_SIZE 0x10000
-
-/* MP Floating Pointer Structure */
-typedef struct MPFPS {
- char signature[ 4 ];
- int32_t pap;
- u_char length;
- u_char spec_rev;
- u_char checksum;
- u_char mpfb1;
- u_char mpfb2;
- u_char mpfb3;
- u_char mpfb4;
- u_char mpfb5;
-} mpfps_t;
-
-/* MP Configuration Table Header */
-typedef struct MPCTH {
- char signature[ 4 ];
- uint16_t base_table_length;
- u_char spec_rev;
- u_char checksum;
- char oem_id[ 8 ];
- char product_id[ 12 ];
- int32_t oem_table_pointer;
- uint16_t oem_table_size;
- uint16_t entry_count;
- int32_t apic_address;
- uint16_t extended_table_length;
- u_char extended_table_checksum;
- u_char reserved;
-} mpcth_t;
-
-typedef struct PROCENTRY {
- u_char type;
- u_char apicID;
- u_char apicVersion;
- u_char cpuFlags;
- uint32_t cpuSignature;
- uint32_t featureFlags;
- uint32_t reserved1;
- uint32_t reserved2;
-} ProcEntry;
-
-#define PROCENTRY_FLAG_EN 0x01
-
-static int seekEntry( vm_offset_t addr );
-static void apic_probe( vm_offset_t* paddr, int* where );
-static void readEntry( void* entry, int size );
-
-/* global data */
-static int pfd; /* physical /dev/mem fd */
-static int verbose = 0;
-static int grope = 0;
-
-static int
-readType()
-{
- u_char type;
-
- if ( read( pfd, &type, sizeof( u_char ) ) != sizeof( u_char ) ) {
-/* perror( "type read" ); */
-/* fprintf( stderr, "\npfd: %d", pfd ); */
-/* fflush( stderr ); */
-/* exit( 1 ); */
- return -1;
- }
-
- if ( lseek( pfd, -1, SEEK_CUR ) < 0 ) {
-/* perror( "type seek" ); */
-/* exit( 1 ); */
- return -1;
- }
-
- return (int)type;
-}
-
-#define MODE_SMP_CHECK 1
-
-static int groupForSMP(int mode)
-{
- vm_offset_t paddr;
- int where;
- mpfps_t mpfps;
- int rc = 0;
- int ncpus = 0;
-
- /* open physical memory for access to MP structures */
- if ( (pfd = open( "/dev/mem", O_RDONLY )) < 0 ) {
- return 0;
- }
-
- /* probe for MP structures */
- apic_probe( &paddr, &where );
- if ( where <= 0 )
- return 0;
-
- if (seekEntry( paddr ))
- return 0;
- readEntry( &mpfps, sizeof( mpfps_t ) );
-
- if (mpfps.mpfb1)
- /* old style */
- rc = 1;
- else {
- /* go to the config table */
- mpcth_t cth;
- int count, i;
-
- paddr = (vm_offset_t) mpfps.pap;
- if (seekEntry( paddr ))
- return 0;
- readEntry( &cth, sizeof( cth ) );
- /* if we don't have any entries, the kernel sure
- won't be able to set up mp. Needs at least one entry
- for smp kernel */
- if (cth.entry_count <= 1) {
- close (pfd);
- return 0;
- }
-
- count = cth.entry_count;
- for (i = 0; i < count; i++) {
- if ( readType() == 0 ) {
- ProcEntry entry;
- readEntry( &entry, sizeof( entry ) );
- if (entry.cpuFlags & PROCENTRY_FLAG_EN)
- ncpus++;
- }
- }
- if (ncpus > 1)
- rc = 1;
- }
-
- close (pfd);
- return rc;
-}
-
-/*
- * set PHYSICAL address of MP floating pointer structure
- */
-#define NEXT(X) ((X) += 4)
-static void
-apic_probe( vm_offset_t* paddr, int* where )
-{
- /*
- * c rewrite of apic_probe() by Jack F. Vogel
- */
-
- unsigned int x;
- uint16_t segment;
- vm_offset_t target;
- uint32_t buffer[ BIOS_SIZE / sizeof( int32_t ) ];
-
- if ( verbose )
- printf( "\n" );
-
- /* search Extended Bios Data Area, if present */
- if ( verbose )
- printf( " looking for EBDA pointer @ 0x%04x, ", EBDA_POINTER );
- if (seekEntry( (vm_offset_t)EBDA_POINTER )) {
- *where = 0;
- *paddr = (vm_offset_t)0;
- return;
- }
- readEntry( &segment, 2 );
- if ( segment ) { /* search EBDA */
- target = (vm_offset_t)segment << 4;
- if ( verbose )
- printf( "found, searching EBDA @ 0x%08x\n", target );
- if (seekEntry( target )) {
- *where = 0;
- *paddr = (vm_offset_t)0;
- return;
- }
- readEntry( buffer, ONE_KBYTE );
-
- for ( x = 0; x < ONE_KBYTE / sizeof ( uint32_t ); NEXT(x) ) {
- if ( buffer[ x ] == MP_SIG ) {
- *where = 1;
- *paddr = (x * sizeof( uint32_t )) + target;
- return;
- }
- }
-
- }
- else {
- if ( verbose )
- printf( "NOT found\n" );
- }
-
- /* read CMOS for real top of mem */
- if (seekEntry( (vm_offset_t)TOPOFMEM_POINTER )) {
- *where = 0;
- *paddr = (vm_offset_t)0;
- return;
- }
- readEntry( &segment, 2 );
- --segment; /* less ONE_KBYTE */
- target = segment * 1024;
- if ( verbose )
- printf( " searching CMOS 'top of mem' @ 0x%08x (%dK)\n",
- target, segment );
- seekEntry( target );
- readEntry( buffer, ONE_KBYTE );
-
- for ( x = 0; x < ONE_KBYTE / sizeof ( uint32_t ); NEXT(x) ) {
- if ( buffer[ x ] == MP_SIG ) {
- *where = 2;
- *paddr = (x * sizeof( uint32_t )) + target;
- return;
- }
- }
-
- /* we don't necessarily believe CMOS, check base of the last 1K of 640K */
- if ( target != (DEFAULT_TOPOFMEM - 1024)) {
- target = (DEFAULT_TOPOFMEM - 1024);
- if ( verbose )
- printf( " searching default 'top of mem' @ 0x%08x (%dK)\n",
- target, (target / 1024) );
- seekEntry( target );
- readEntry( buffer, ONE_KBYTE );
-
- for ( x = 0; x < ONE_KBYTE / sizeof ( uint32_t ); NEXT(x) ) {
- if ( buffer[ x ] == MP_SIG ) {
- *where = 3;
- *paddr = (x * sizeof( uint32_t )) + target;
- return;
- }
- }
- }
-
- /* search the BIOS */
- if ( verbose )
- printf( " searching BIOS @ 0x%08x\n", BIOS_BASE );
- seekEntry( BIOS_BASE );
- readEntry( buffer, BIOS_SIZE );
-
- for ( x = 0; x < BIOS_SIZE / sizeof( uint32_t ); NEXT(x) ) {
- if ( buffer[ x ] == MP_SIG ) {
- *where = 4;
- *paddr = (x * sizeof( uint32_t )) + BIOS_BASE;
- return;
- }
- }
-
- /* search the extended BIOS */
- if ( verbose )
- printf( " searching extended BIOS @ 0x%08x\n", BIOS_BASE2 );
- seekEntry( BIOS_BASE2 );
- readEntry( buffer, BIOS_SIZE );
-
- for ( x = 0; x < BIOS_SIZE / sizeof( uint32_t ); NEXT(x) ) {
- if ( buffer[ x ] == MP_SIG ) {
- *where = 5;
- *paddr = (x * sizeof( uint32_t )) + BIOS_BASE2;
- return;
- }
- }
-
- if ( grope ) {
- /* search additional memory */
- target = GROPE_AREA1;
- if ( verbose )
- printf( " groping memory @ 0x%08x\n", target );
- seekEntry( target );
- readEntry( buffer, GROPE_SIZE );
-
- for ( x = 0; x < GROPE_SIZE / sizeof( uint32_t ); NEXT(x) ) {
- if ( buffer[ x ] == MP_SIG ) {
- *where = 6;
- *paddr = (x * sizeof( uint32_t )) + GROPE_AREA1;
- return;
- }
- }
-
- target = GROPE_AREA2;
- if ( verbose )
- printf( " groping memory @ 0x%08x\n", target );
- seekEntry( target );
- readEntry( buffer, GROPE_SIZE );
-
- for ( x = 0; x < GROPE_SIZE / sizeof( uint32_t ); NEXT(x) ) {
- if ( buffer[ x ] == MP_SIG ) {
- *where = 7;
- *paddr = (x * sizeof( uint32_t )) + GROPE_AREA2;
- return;
- }
- }
- }
-
- *where = 0;
- *paddr = (vm_offset_t)0;
-}
-
-
-/*
- *
- */
-static int
-seekEntry( vm_offset_t addr )
-{
- if ( lseek( pfd, (off_t)addr, SEEK_SET ) < 0 ) {
- return 1;
- }
- return 0;
-}
-
-
-/*
- *
- */
-static void
-readEntry( void* entry, int size )
-{
- if ( read( pfd, entry, size ) != size ) {
- return;
- perror( "readEntry" );
- exit( 1 );
- }
-}
-
-static int intelDetectSMP(void)
-{
- return groupForSMP(MODE_SMP_CHECK);
-}
-
-/* ---- end mptable mess ---- */
-#endif /* __i386__ || __x86_64__ */
-
-#if defined(__i386__)
-static inline unsigned int cpuid_ebx(int op)
-{
- unsigned int eax, ebx;
-
- __asm__("pushl %%ebx; cpuid; movl %%ebx,%1; popl %%ebx"
- : "=a" (eax), "=g" (ebx)
- : "0" (op)
- : "cx", "dx");
- return ebx;
-}
-#elif defined(__x86_64__)
-static inline unsigned int cpuid_ebx(int op)
-{
- unsigned int eax, ebx;
-
- __asm__("cpuid"
- : "=a" (eax), "=b" (ebx)
- : "0" (op)
- : "cx", "dx");
- return ebx;
-}
-#endif
-
-#if defined(__i386__) || defined(__x86_64__)
-/* XXX: rewrite using /proc/cpuinfo info if it there. Only fall
- back to inline asm if it is not */
-int detectHT(void)
-{
- FILE *f;
- int htflag = 0;
- uint32_t ebx = 0;
- int smp_num_siblings = 0;
-
- f = fopen("/proc/cpuinfo", "r");
- if (f) {
- char buff[1024];
-
- while (fgets (buff, 1024, f) != NULL) {
- if (!strncmp (buff, "flags\t\t:", 8)) {
- if (strstr(buff, " ht ") ||
- /* buff includes \n, so back up 4 bytes from the end
- and check there too to catch the end case */
- !strncmp(buff + strlen(buff) - 4, " ht", 3)) {
- htflag = 1;
- }
- break;
- }
- }
- fclose(f);
- }
- if (!htflag)
- return 0;
-
- ebx = cpuid_ebx(1);
- smp_num_siblings = (ebx & 0xff0000) >> 16;
-
- if (smp_num_siblings >= 2)
- return 1;
- return 0;
-}
-
-#else /* ndef __i386__ */
-
-int detectHT(void)
-{
- return 0;
-}
-
-#endif /* __i386__ */
-
-int detectSMP(void)
-{
- static int isSMP = -1;
-
- if (isSMP != -1)
- return isSMP;
-
-#if defined (__i386__) || defined(__x86_64__)
- return isSMP = intelDetectSMP();
-#elif defined (__sparc__)
- return isSMP = sparcDetectSMP();
-#elif defined (__alpha__)
- return isSMP = alphaDetectSMP();
-#elif defined (__s390__) || defined (__s390x__)
- return isSMP = s390DetectSMP();
-#elif defined (__ia64__) || defined (__x86_64__)
- return isSMP = 1;
-#elif defined (__powerpc__)
- return isSMP = powerpcDetectSMP();
-#elif defined (__arm__)
- return isSMP = 0;
-#else
- #error unknown architecture
-#endif
-}
diff --git a/isys/smp.h b/isys/smp.h
deleted file mode 100644
index 651fa33..0000000
--- a/isys/smp.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * smp.h
- *
- * Copyright (C) 2007 Red Hat, Inc. All rights reserved.
- *
- * 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 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef SMP_H
-#define SMP_H
-
-int detectSMP(void);
-int detectHT(void);
-
-#endif /* SMP_H */
diff --git a/yuminstall.py b/yuminstall.py
index c62c09b..7012fa4 100644
--- a/yuminstall.py
+++ b/yuminstall.py
@@ -1233,7 +1233,7 @@ reposdir=/etc/anaconda.repos.d,/tmp/updates/anaconda.repos.d,/tmp/product/anacon
self.selectModulePackages(anaconda, k)
foundkernel = True
- if not foundkernel and (isys.smpAvailable() or isys.htavailable()):
+ if not foundkernel and isys.smpAvailable():
try:
ksmp = getBestKernelByArch("kernel-smp", self.ayum)
except PackageSackError:
--
1.6.1
_______________________________________________
Anaconda-devel-list mailing list
Anaconda-devel-list@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/anaconda-devel-list
