Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/g…

…it/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Fix incorrect return value from ia64_setup_msi_irq() [IA64] arch/ia64/sn/kernel/mca.c: undo lock when sn_oemdata can't be extended [IA64] update sn2 defconfig to 64kb pages [IA64] fix typo in per_cpu_offset [IA64] /proc/cpuinfo "physical id" field cleanups [IA64] vDSO vs --build-id [IA64] check-segrel.lds vs --build-id [IA64] vmcore_find_descriptor_size should be in __init [IA64] ia64/mm/init.c: fix section mismatches
git-mirror · Oct 30, 2007 · e58b7da · e58b7da
2 parents 71d00fe + 3aff037
commit e58b7da
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Showing 11 changed files with 86 additions and 106 deletions.
diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
@@ -1231,7 +1231,7 @@ kdump_find_rsvd_region (unsigned long size,
 
 #ifdef CONFIG_PROC_VMCORE
 /* locate the size find a the descriptor at a certain address */
-unsigned long
+unsigned long __init
 vmcore_find_descriptor_size (unsigned long address)
 {
 	void *efi_map_start, *efi_map_end, *p;

diff --git a/arch/ia64/kernel/gate.lds.S b/arch/ia64/kernel/gate.lds.S
@@ -20,6 +20,8 @@ SECTIONS
 	.gnu.version_d		: { *(.gnu.version_d) }
 	.gnu.version_r		: { *(.gnu.version_r) }
 
+	.note			: { *(.note*) }		:readable	:note
+
 	.dynamic		: { *(.dynamic) }	:readable	:dynamic
 
 	/*
@@ -83,6 +85,7 @@ PHDRS
 	epc		PT_LOAD	FILEHDR PHDRS	FLAGS(1);	/* PF_X */
 #endif
 	dynamic		PT_DYNAMIC		FLAGS(4);	/* PF_R */
+	note		PT_NOTE			FLAGS(4);	/* PF_R */
 	unwind		PT_IA_64_UNWIND;
 }
 

diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
@@ -109,7 +109,7 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
 	write_msi_msg(irq, &msg);
 	set_irq_chip_and_handler(irq, &ia64_msi_chip, handle_edge_irq);
 
-	return irq;
+	return 0;
 }
 
 void ia64_teardown_msi_irq(unsigned int irq)

diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
@@ -417,34 +417,6 @@ mark_bsp_online (void)
 #endif
 }
 
-#ifdef CONFIG_SMP
-static void __init
-check_for_logical_procs (void)
-{
-	pal_logical_to_physical_t info;
-	s64 status;
-
-	status = ia64_pal_logical_to_phys(0, &info);
-	if (status == -1) {
-		printk(KERN_INFO "No logical to physical processor mapping "
-		       "available\n");
-		return;
-	}
-	if (status) {
-		printk(KERN_ERR "ia64_pal_logical_to_phys failed with %ld\n",
-		       status);
-		return;
-	}
-	/*
-	 * Total number of siblings that BSP has.  Though not all of them 
-	 * may have booted successfully. The correct number of siblings 
-	 * booted is in info.overview_num_log.
-	 */
-	smp_num_siblings = info.overview_tpc;
-	smp_num_cpucores = info.overview_cpp;
-}
-#endif
-
 static __initdata int nomca;
 static __init int setup_nomca(char *s)
 {
@@ -540,15 +512,6 @@ setup_arch (char **cmdline_p)
 
 #ifdef CONFIG_SMP
 	cpu_physical_id(0) = hard_smp_processor_id();
-	check_for_logical_procs();
-	if (smp_num_cpucores > 1)
-		printk(KERN_INFO
-		       "cpu package is Multi-Core capable: number of cores=%d\n",
-		       smp_num_cpucores);
-	if (smp_num_siblings > 1)
-		printk(KERN_INFO
-		       "cpu package is Multi-Threading capable: number of siblings=%d\n",
-		       smp_num_siblings);
 #endif
 
 	cpu_init();	/* initialize the bootstrap CPU */
@@ -661,12 +624,13 @@ show_cpuinfo (struct seq_file *m, void *v)
 		   lpj*HZ/500000, (lpj*HZ/5000) % 100);
 #ifdef CONFIG_SMP
 	seq_printf(m, "siblings   : %u\n", cpus_weight(cpu_core_map[cpunum]));
+	if (c->socket_id != -1)
+		seq_printf(m, "physical id: %u\n", c->socket_id);
 	if (c->threads_per_core > 1 || c->cores_per_socket > 1)
 		seq_printf(m,
-		   	   "physical id: %u\n"
-		   	   "core id    : %u\n"
-		   	   "thread id  : %u\n",
-		   	   c->socket_id, c->core_id, c->thread_id);
+			   "core id    : %u\n"
+			   "thread id  : %u\n",
+			   c->core_id, c->thread_id);
 #endif
 	seq_printf(m,"\n");
 
@@ -778,6 +742,9 @@ identify_cpu (struct cpuinfo_ia64 *c)
 	c->socket_id = -1;
 
 	identify_siblings(c);
+
+	if (c->threads_per_core > smp_num_siblings)
+		smp_num_siblings = c->threads_per_core;
 #endif
 	c->ppn = cpuid.field.ppn;
 	c->number = cpuid.field.number;

diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
@@ -142,7 +142,6 @@ DEFINE_PER_CPU_SHARED_ALIGNED(cpumask_t, cpu_sibling_map);
 EXPORT_PER_CPU_SYMBOL(cpu_sibling_map);
 
 int smp_num_siblings = 1;
-int smp_num_cpucores = 1;
 
 /* which logical CPU number maps to which CPU (physical APIC ID) */
 volatile int ia64_cpu_to_sapicid[NR_CPUS];
@@ -886,20 +885,28 @@ identify_siblings(struct cpuinfo_ia64 *c)
 	u16 pltid;
 	pal_logical_to_physical_t info;
 
-	if (smp_num_cpucores == 1 && smp_num_siblings == 1)
-		return;
-
 	if ((status = ia64_pal_logical_to_phys(-1, &info)) != PAL_STATUS_SUCCESS) {
-		printk(KERN_ERR "ia64_pal_logical_to_phys failed with %ld\n",
-		       status);
-		return;
+		if (status != PAL_STATUS_UNIMPLEMENTED) {
+			printk(KERN_ERR
+				"ia64_pal_logical_to_phys failed with %ld\n",
+				status);
+			return;
+		}
+
+		info.overview_ppid = 0;
+		info.overview_cpp  = 1;
+		info.overview_tpc  = 1;
 	}
 	if ((status = ia64_sal_physical_id_info(&pltid)) != PAL_STATUS_SUCCESS) {
 		printk(KERN_ERR "ia64_sal_pltid failed with %ld\n", status);
 		return;
 	}
 
 	c->socket_id =  (pltid << 8) | info.overview_ppid;
+
+	if (info.overview_cpp == 1 && info.overview_tpc == 1)
+		return;
+
 	c->cores_per_socket = info.overview_cpp;
 	c->threads_per_core = info.overview_tpc;
 	c->num_log = info.overview_num_log;

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
@@ -472,7 +472,7 @@ struct memmap_init_callback_data {
 	unsigned long zone;
 };
 
-static int
+static int __meminit
 virtual_memmap_init (u64 start, u64 end, void *arg)
 {
 	struct memmap_init_callback_data *args;
@@ -503,7 +503,7 @@ virtual_memmap_init (u64 start, u64 end, void *arg)
 	return 0;
 }
 
-void
+void __meminit
 memmap_init (unsigned long size, int nid, unsigned long zone,
 	     unsigned long start_pfn)
 {

diff --git a/arch/ia64/scripts/check-segrel.lds b/arch/ia64/scripts/check-segrel.lds
@@ -1,6 +1,7 @@
 SECTIONS {
 	. = SIZEOF_HEADERS;
 	.rodata : { *(.rodata) } :ro
+	.note : { *(.note*) }
 	. = 0xa0000;
 	.data : { *(.data) } :dat
 	/DISCARD/ : { *(*) }

diff --git a/arch/ia64/sn/kernel/mca.c b/arch/ia64/sn/kernel/mca.c
@@ -98,6 +98,7 @@ sn_platform_plat_specific_err_print(const u8 * sect_header, u8 ** oemdata,
 	while (*sn_oemdata_size > sn_oemdata_bufsize) {
 		u8 *newbuf = vmalloc(*sn_oemdata_size);
 		if (!newbuf) {
+			mutex_unlock(&sn_oemdata_mutex);
 			printk(KERN_ERR "%s: unable to extend sn_oemdata\n",
 			       __FUNCTION__);
 			return 1;

diff --git a/include/asm-ia64/percpu.h b/include/asm-ia64/percpu.h
@@ -46,7 +46,7 @@
 #ifdef CONFIG_SMP
 
 extern unsigned long __per_cpu_offset[NR_CPUS];
-#define per_cpu_offset(x) (__per_cpu_offset(x))
+#define per_cpu_offset(x) (__per_cpu_offset[x])
 
 /* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */
 DECLARE_PER_CPU(unsigned long, local_per_cpu_offset);

diff --git a/include/asm-ia64/smp.h b/include/asm-ia64/smp.h
@@ -60,7 +60,6 @@ extern cpumask_t cpu_online_map;
 extern cpumask_t cpu_core_map[NR_CPUS];
 DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
 extern int smp_num_siblings;
-extern int smp_num_cpucores;
 extern void __iomem *ipi_base_addr;
 extern unsigned char smp_int_redirect;