summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/cputable.c2
-rw-r--r--arch/powerpc/kernel/dma-iommu.c16
-rw-r--r--arch/powerpc/kernel/dma.c15
-rw-r--r--arch/powerpc/kernel/entry_64.S44
-rw-r--r--arch/powerpc/kernel/exceptions-64e.S1
-rw-r--r--arch/powerpc/kernel/kgdb.c6
-rw-r--r--arch/powerpc/kernel/pci-common.c4
-rw-r--r--arch/powerpc/kernel/pci_64.c2
-rw-r--r--arch/powerpc/kernel/perf_event.c17
-rw-r--r--arch/powerpc/kernel/process.c27
-rw-r--r--arch/powerpc/kernel/prom_init.c3
-rw-r--r--arch/powerpc/kernel/setup_64.c1
-rw-r--r--arch/powerpc/kernel/time.c15
-rw-r--r--arch/powerpc/kernel/vdso.c25
-rw-r--r--arch/powerpc/kernel/vdso32/vdso32.lds.S4
-rw-r--r--arch/powerpc/kernel/vio.c4
-rw-r--r--arch/powerpc/kernel/vmlinux.lds.S68
17 files changed, 129 insertions, 125 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 0b9c9135922..03c862b6a9c 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -711,6 +711,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
.cpu_setup = __setup_cpu_750,
.machine_check = machine_check_generic,
.platform = "ppc750",
+ .oprofile_cpu_type = "ppc/750",
+ .oprofile_type = PPC_OPROFILE_G4,
},
{ /* 745/755 */
.pvr_mask = 0xfffff000,
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index 87ddb3fb948..37771a51811 100644
--- a/arch/powerpc/kernel/dma-iommu.c
+++ b/arch/powerpc/kernel/dma-iommu.c
@@ -18,7 +18,7 @@
static void *dma_iommu_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag)
{
- return iommu_alloc_coherent(dev, dev->archdata.dma_data, size,
+ return iommu_alloc_coherent(dev, get_iommu_table_base(dev), size,
dma_handle, device_to_mask(dev), flag,
dev_to_node(dev));
}
@@ -26,7 +26,7 @@ static void *dma_iommu_alloc_coherent(struct device *dev, size_t size,
static void dma_iommu_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle)
{
- iommu_free_coherent(dev->archdata.dma_data, size, vaddr, dma_handle);
+ iommu_free_coherent(get_iommu_table_base(dev), size, vaddr, dma_handle);
}
/* Creates TCEs for a user provided buffer. The user buffer must be
@@ -39,8 +39,8 @@ static dma_addr_t dma_iommu_map_page(struct device *dev, struct page *page,
enum dma_data_direction direction,
struct dma_attrs *attrs)
{
- return iommu_map_page(dev, dev->archdata.dma_data, page, offset, size,
- device_to_mask(dev), direction, attrs);
+ return iommu_map_page(dev, get_iommu_table_base(dev), page, offset,
+ size, device_to_mask(dev), direction, attrs);
}
@@ -48,7 +48,7 @@ static void dma_iommu_unmap_page(struct device *dev, dma_addr_t dma_handle,
size_t size, enum dma_data_direction direction,
struct dma_attrs *attrs)
{
- iommu_unmap_page(dev->archdata.dma_data, dma_handle, size, direction,
+ iommu_unmap_page(get_iommu_table_base(dev), dma_handle, size, direction,
attrs);
}
@@ -57,7 +57,7 @@ static int dma_iommu_map_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction,
struct dma_attrs *attrs)
{
- return iommu_map_sg(dev, dev->archdata.dma_data, sglist, nelems,
+ return iommu_map_sg(dev, get_iommu_table_base(dev), sglist, nelems,
device_to_mask(dev), direction, attrs);
}
@@ -65,14 +65,14 @@ static void dma_iommu_unmap_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction,
struct dma_attrs *attrs)
{
- iommu_unmap_sg(dev->archdata.dma_data, sglist, nelems, direction,
+ iommu_unmap_sg(get_iommu_table_base(dev), sglist, nelems, direction,
attrs);
}
/* We support DMA to/from any memory page via the iommu */
static int dma_iommu_dma_supported(struct device *dev, u64 mask)
{
- struct iommu_table *tbl = dev->archdata.dma_data;
+ struct iommu_table *tbl = get_iommu_table_base(dev);
if (!tbl || tbl->it_offset > mask) {
printk(KERN_INFO
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 21b784d7e7d..6215062caf8 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -21,13 +21,6 @@
* default the offset is PCI_DRAM_OFFSET.
*/
-unsigned long get_dma_direct_offset(struct device *dev)
-{
- if (dev)
- return (unsigned long)dev->archdata.dma_data;
-
- return PCI_DRAM_OFFSET;
-}
void *dma_direct_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag)
@@ -37,7 +30,7 @@ void *dma_direct_alloc_coherent(struct device *dev, size_t size,
ret = __dma_alloc_coherent(dev, size, dma_handle, flag);
if (ret == NULL)
return NULL;
- *dma_handle += get_dma_direct_offset(dev);
+ *dma_handle += get_dma_offset(dev);
return ret;
#else
struct page *page;
@@ -51,7 +44,7 @@ void *dma_direct_alloc_coherent(struct device *dev, size_t size,
return NULL;
ret = page_address(page);
memset(ret, 0, size);
- *dma_handle = virt_to_abs(ret) + get_dma_direct_offset(dev);
+ *dma_handle = virt_to_abs(ret) + get_dma_offset(dev);
return ret;
#endif
@@ -75,7 +68,7 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
int i;
for_each_sg(sgl, sg, nents, i) {
- sg->dma_address = sg_phys(sg) + get_dma_direct_offset(dev);
+ sg->dma_address = sg_phys(sg) + get_dma_offset(dev);
sg->dma_length = sg->length;
__dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
}
@@ -110,7 +103,7 @@ static inline dma_addr_t dma_direct_map_page(struct device *dev,
{
BUG_ON(dir == DMA_NONE);
__dma_sync_page(page, offset, size, dir);
- return page_to_phys(page) + offset + get_dma_direct_offset(dev);
+ return page_to_phys(page) + offset + get_dma_offset(dev);
}
static inline void dma_direct_unmap_page(struct device *dev,
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 900e0eea009..9763267e38b 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -658,42 +658,43 @@ do_work:
cmpdi r0,0
crandc eq,cr1*4+eq,eq
bne restore
- /* here we are preempting the current task */
-1:
-#ifdef CONFIG_TRACE_IRQFLAGS
- bl .trace_hardirqs_on
- /* Note: we just clobbered r10 which used to contain the previous
- * MSR before the hard-disabling done by the caller of do_work.
- * We don't have that value anymore, but it doesn't matter as
- * we will hard-enable unconditionally, we can just reload the
- * current MSR into r10
+
+ /* Here we are preempting the current task.
+ *
+ * Ensure interrupts are soft-disabled. We also properly mark
+ * the PACA to reflect the fact that they are hard-disabled
+ * and trace the change
*/
- mfmsr r10
-#endif /* CONFIG_TRACE_IRQFLAGS */
- li r0,1
+ li r0,0
stb r0,PACASOFTIRQEN(r13)
stb r0,PACAHARDIRQEN(r13)
+ TRACE_DISABLE_INTS
+
+ /* Call the scheduler with soft IRQs off */
+1: bl .preempt_schedule_irq
+
+ /* Hard-disable interrupts again (and update PACA) */
#ifdef CONFIG_PPC_BOOK3E
- wrteei 1
- bl .preempt_schedule
wrteei 0
#else
- ori r10,r10,MSR_EE
- mtmsrd r10,1 /* reenable interrupts */
- bl .preempt_schedule
mfmsr r10
- clrrdi r9,r1,THREAD_SHIFT
- rldicl r10,r10,48,1 /* disable interrupts again */
+ rldicl r10,r10,48,1
rotldi r10,r10,16
mtmsrd r10,1
#endif /* CONFIG_PPC_BOOK3E */
+ li r0,0
+ stb r0,PACAHARDIRQEN(r13)
+
+ /* Re-test flags and eventually loop */
+ clrrdi r9,r1,THREAD_SHIFT
ld r4,TI_FLAGS(r9)
andi. r0,r4,_TIF_NEED_RESCHED
bne 1b
b restore
user_work:
-#endif
+#endif /* CONFIG_PREEMPT */
+
/* Enable interrupts */
#ifdef CONFIG_PPC_BOOK3E
wrteei 1
@@ -1038,8 +1039,7 @@ _GLOBAL(mod_return_to_handler)
* We are in a module using the module's TOC.
* Switch to our TOC to run inside the core kernel.
*/
- LOAD_REG_IMMEDIATE(r4,ftrace_return_to_handler)
- ld r2, 8(r4)
+ ld r2, PACATOC(r13)
bl .ftrace_return_to_handler
nop
diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
index 9048f96237f..24dcc0ecf24 100644
--- a/arch/powerpc/kernel/exceptions-64e.S
+++ b/arch/powerpc/kernel/exceptions-64e.S
@@ -17,7 +17,6 @@
#include <asm/cputable.h>
#include <asm/setup.h>
#include <asm/thread_info.h>
-#include <asm/reg.h>
#include <asm/exception-64e.h>
#include <asm/bug.h>
#include <asm/irqflags.h>
diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index fe8f71dd0b3..641c74bb8e2 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -282,12 +282,6 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
{
unsigned long *ptr = gdb_regs;
int reg;
-#ifdef CONFIG_SPE
- union {
- u32 v32[2];
- u64 v64;
- } acc;
-#endif
for (reg = 0; reg < 32; reg++)
UNPACK64(regs->gpr[reg], ptr);
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index e9f4840096b..e8dfdbd9327 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1117,7 +1117,7 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus)
/* Hook up default DMA ops */
sd->dma_ops = pci_dma_ops;
- sd->dma_data = (void *)PCI_DRAM_OFFSET;
+ set_dma_offset(&dev->dev, PCI_DRAM_OFFSET);
/* Additional platform DMA/iommu setup */
if (ppc_md.pci_dma_dev_setup)
@@ -1190,7 +1190,7 @@ EXPORT_SYMBOL(pcibios_align_resource);
* Reparent resource children of pr that conflict with res
* under res, and make res replace those children.
*/
-static int __init reparent_resources(struct resource *parent,
+static int reparent_resources(struct resource *parent,
struct resource *res)
{
struct resource *p, **pp;
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index ba949a2c93a..ccf56ac92de 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -97,7 +97,9 @@ int pcibios_unmap_io_space(struct pci_bus *bus)
* to do an appropriate TLB flush here too
*/
if (bus->self) {
+#ifdef CONFIG_PPC_STD_MMU_64
struct resource *res = bus->resource[0];
+#endif
pr_debug("IO unmapping for PCI-PCI bridge %s\n",
pci_name(bus->self));
diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c
index bbcbae183e9..87f1663584b 100644
--- a/arch/powerpc/kernel/perf_event.c
+++ b/arch/powerpc/kernel/perf_event.c
@@ -116,20 +116,23 @@ static inline void perf_get_data_addr(struct pt_regs *regs, u64 *addrp)
static inline u32 perf_get_misc_flags(struct pt_regs *regs)
{
unsigned long mmcra = regs->dsisr;
+ unsigned long sihv = MMCRA_SIHV;
+ unsigned long sipr = MMCRA_SIPR;
if (TRAP(regs) != 0xf00)
return 0; /* not a PMU interrupt */
if (ppmu->flags & PPMU_ALT_SIPR) {
- if (mmcra & POWER6_MMCRA_SIHV)
- return PERF_RECORD_MISC_HYPERVISOR;
- return (mmcra & POWER6_MMCRA_SIPR) ?
- PERF_RECORD_MISC_USER : PERF_RECORD_MISC_KERNEL;
+ sihv = POWER6_MMCRA_SIHV;
+ sipr = POWER6_MMCRA_SIPR;
}
- if (mmcra & MMCRA_SIHV)
+
+ /* PR has priority over HV, so order below is important */
+ if (mmcra & sipr)
+ return PERF_RECORD_MISC_USER;
+ if ((mmcra & sihv) && (freeze_events_kernel != MMCR0_FCHV))
return PERF_RECORD_MISC_HYPERVISOR;
- return (mmcra & MMCRA_SIPR) ? PERF_RECORD_MISC_USER :
- PERF_RECORD_MISC_KERNEL;
+ return PERF_RECORD_MISC_KERNEL;
}
/*
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 0a321643305..c930ac38e59 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1016,9 +1016,13 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
int curr_frame = current->curr_ret_stack;
extern void return_to_handler(void);
- unsigned long addr = (unsigned long)return_to_handler;
+ unsigned long rth = (unsigned long)return_to_handler;
+ unsigned long mrth = -1;
#ifdef CONFIG_PPC64
- addr = *(unsigned long*)addr;
+ extern void mod_return_to_handler(void);
+ rth = *(unsigned long *)rth;
+ mrth = (unsigned long)mod_return_to_handler;
+ mrth = *(unsigned long *)mrth;
#endif
#endif
@@ -1044,7 +1048,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
if (!firstframe || ip != lr) {
printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip);
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
- if (ip == addr && curr_frame >= 0) {
+ if ((ip == rth || ip == mrth) && curr_frame >= 0) {
printk(" (%pS)",
(void *)current->ret_stack[curr_frame].ret);
curr_frame--;
@@ -1165,7 +1169,22 @@ static inline unsigned long brk_rnd(void)
unsigned long arch_randomize_brk(struct mm_struct *mm)
{
- unsigned long ret = PAGE_ALIGN(mm->brk + brk_rnd());
+ unsigned long base = mm->brk;
+ unsigned long ret;
+
+#ifdef CONFIG_PPC_STD_MMU_64
+ /*
+ * If we are using 1TB segments and we are allowed to randomise
+ * the heap, we can put it above 1TB so it is backed by a 1TB
+ * segment. Otherwise the heap will be in the bottom 1TB
+ * which always uses 256MB segments and this may result in a
+ * performance penalty.
+ */
+ if (!is_32bit_task() && (mmu_highuser_ssize == MMU_SEGSIZE_1T))
+ base = max_t(unsigned long, mm->brk, 1UL << SID_SHIFT_1T);
+#endif
+
+ ret = PAGE_ALIGN(base + brk_rnd());
if (ret < mm->brk)
return mm->brk;
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 864334b337a..bafac2e41ae 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -800,7 +800,7 @@ static void __init prom_send_capabilities(void)
root = call_prom("open", 1, 1, ADDR("/"));
if (root != 0) {
/* try calling the ibm,client-architecture-support method */
- prom_printf("Calling ibm,client-architecture...");
+ prom_printf("Calling ibm,client-architecture-support...");
if (call_prom_ret("call-method", 3, 2, &ret,
ADDR("ibm,client-architecture-support"),
root,
@@ -814,6 +814,7 @@ static void __init prom_send_capabilities(void)
return;
}
call_prom("close", 1, 0, root);
+ prom_printf(" not implemented\n");
}
/* no ibm,client-architecture-support call, try the old way */
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 797ea95aae2..04f638d82fb 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -57,7 +57,6 @@
#include <asm/cache.h>
#include <asm/page.h>
#include <asm/mmu.h>
-#include <asm/mmu-hash64.h>
#include <asm/firmware.h>
#include <asm/xmon.h>
#include <asm/udbg.h>
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 92dc844299b..a136a11c490 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -777,7 +777,7 @@ int update_persistent_clock(struct timespec now)
return ppc_md.set_rtc_time(&tm);
}
-void read_persistent_clock(struct timespec *ts)
+static void __read_persistent_clock(struct timespec *ts)
{
struct rtc_time tm;
static int first = 1;
@@ -800,10 +800,23 @@ void read_persistent_clock(struct timespec *ts)
return;
}
ppc_md.get_rtc_time(&tm);
+
ts->tv_sec = mktime(tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec);
}
+void read_persistent_clock(struct timespec *ts)
+{
+ __read_persistent_clock(ts);
+
+ /* Sanitize it in case real time clock is set below EPOCH */
+ if (ts->tv_sec < 0) {
+ ts->tv_sec = 0;
+ ts->tv_nsec = 0;
+ }
+
+}
+
/* clocksource code */
static cycle_t rtc_read(struct clocksource *cs)
{
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index 3faaf29bdb2..137dc22afa4 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -50,6 +50,9 @@
/* Max supported size for symbol names */
#define MAX_SYMNAME 64
+/* The alignment of the vDSO */
+#define VDSO_ALIGNMENT (1 << 16)
+
extern char vdso32_start, vdso32_end;
static void *vdso32_kbase = &vdso32_start;
static unsigned int vdso32_pages;
@@ -231,15 +234,28 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
* pick a base address for the vDSO in process space. We try to put it
* at vdso_base which is the "natural" base for it, but we might fail
* and end up putting it elsewhere.
+ * Add enough to the size so that the result can be aligned.
*/
down_write(&mm->mmap_sem);
vdso_base = get_unmapped_area(NULL, vdso_base,
- vdso_pages << PAGE_SHIFT, 0, 0);
+ (vdso_pages << PAGE_SHIFT) +
+ ((VDSO_ALIGNMENT - 1) & PAGE_MASK),
+ 0, 0);
if (IS_ERR_VALUE(vdso_base)) {
rc = vdso_base;
goto fail_mmapsem;
}
+ /* Add required alignment. */
+ vdso_base = ALIGN(vdso_base, VDSO_ALIGNMENT);
+
+ /*
+ * Put vDSO base into mm struct. We need to do this before calling
+ * install_special_mapping or the perf counter mmap tracking code
+ * will fail to recognise it as a vDSO (since arch_vma_name fails).
+ */
+ current->mm->context.vdso_base = vdso_base;
+
/*
* our vma flags don't have VM_WRITE so by default, the process isn't
* allowed to write those pages.
@@ -260,11 +276,10 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC|
VM_ALWAYSDUMP,
vdso_pagelist);
- if (rc)
+ if (rc) {
+ current->mm->context.vdso_base = 0;
goto fail_mmapsem;
-
- /* Put vDSO base into mm struct */
- current->mm->context.vdso_base = vdso_base;
+ }
up_write(&mm->mmap_sem);
return 0;
diff --git a/arch/powerpc/kernel/vdso32/vdso32.lds.S b/arch/powerpc/kernel/vdso32/vdso32.lds.S
index 904ef1360dd..0546bcd49cd 100644
--- a/arch/powerpc/kernel/vdso32/vdso32.lds.S
+++ b/arch/powerpc/kernel/vdso32/vdso32.lds.S
@@ -25,7 +25,7 @@ SECTIONS
. = ALIGN(16);
.text : {
*(.text .stub .text.* .gnu.linkonce.t.* __ftr_alt_*)
- }
+ } :text
PROVIDE(__etext = .);
PROVIDE(_etext = .);
PROVIDE(etext = .);
@@ -56,7 +56,7 @@ SECTIONS
.fixup : { *(.fixup) }
.dynamic : { *(.dynamic) } :text :dynamic
- .got : { *(.got) }
+ .got : { *(.got) } :text
.plt : { *(.plt) }
_end = .;
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index bc7b41edbdf..77f64218abf 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -1054,6 +1054,8 @@ static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
return NULL;
tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
+ if (tbl == NULL)
+ return NULL;
of_parse_dma_window(dev->dev.archdata.of_node, dma_window,
&tbl->it_index, &offset, &size);
@@ -1233,7 +1235,7 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node)
vio_cmo_set_dma_ops(viodev);
else
viodev->dev.archdata.dma_ops = &dma_iommu_ops;
- viodev->dev.archdata.dma_data = vio_build_iommu_table(viodev);
+ set_iommu_table_base(&viodev->dev, vio_build_iommu_table(viodev));
set_dev_node(&viodev->dev, of_node_to_nid(of_node));
/* init generic 'struct device' fields: */
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 58da4070723..27735a7ac12 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -6,6 +6,7 @@
#include <asm/page.h>
#include <asm-generic/vmlinux.lds.h>
#include <asm/cache.h>
+#include <asm/thread_info.h>
ENTRY(_stext)
@@ -71,12 +72,7 @@ SECTIONS
/* Read-only data */
RODATA
- /* Exception & bug tables */
- __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
- __start___ex_table = .;
- *(__ex_table)
- __stop___ex_table = .;
- }
+ EXCEPTION_TABLE(0)
NOTES :kernel :notes
@@ -93,12 +89,7 @@ SECTIONS
*/
. = ALIGN(PAGE_SIZE);
__init_begin = .;
-
- .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
- _sinittext = .;
- INIT_TEXT
- _einittext = .;
- } :kernel
+ INIT_TEXT_SECTION(PAGE_SIZE) :kernel
/* .exit.text is discarded at runtime, not link time,
* to deal with references from __bug_table
@@ -122,23 +113,16 @@ SECTIONS
#endif
}
- . = ALIGN(16);
.init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
- __setup_start = .;
- *(.init.setup)
- __setup_end = .;
+ INIT_SETUP(16)
}
.initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
- __initcall_start = .;
- INITCALLS
- __initcall_end = .;
- }
+ INIT_CALLS
+ }
.con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
- __con_initcall_start = .;
- *(.con_initcall.init)
- __con_initcall_end = .;
+ CON_INITCALL
}
SECURITY_INIT
@@ -169,14 +153,10 @@ SECTIONS
__stop___fw_ftr_fixup = .;
}
#endif
-#ifdef CONFIG_BLK_DEV_INITRD
- . = ALIGN(PAGE_SIZE);
.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
- __initramfs_start = .;
- *(.init.ramfs)
- __initramfs_end = .;
+ INIT_RAM_FS
}
-#endif
+
PERCPU(PAGE_SIZE)
. = ALIGN(8);
@@ -240,36 +220,25 @@ SECTIONS
#endif
/* The initial task and kernel stack */
-#ifdef CONFIG_PPC32
- . = ALIGN(8192);
-#else
- . = ALIGN(16384);
-#endif
.data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
- *(.data.init_task)
+ INIT_TASK_DATA(THREAD_SIZE)
}
- . = ALIGN(PAGE_SIZE);
.data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
- *(.data.page_aligned)
+ PAGE_ALIGNED_DATA(PAGE_SIZE)
}
- . = ALIGN(L1_CACHE_BYTES);
.data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
- *(.data.cacheline_aligned)
+ CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES)
}
- . = ALIGN(L1_CACHE_BYTES);
.data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
- *(.data.read_mostly)
+ READ_MOSTLY_DATA(L1_CACHE_BYTES)
}
. = ALIGN(PAGE_SIZE);
.data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
- __nosave_begin = .;
- *(.data.nosave)
- . = ALIGN(PAGE_SIZE);
- __nosave_end = .;
+ NOSAVE_DATA
}
. = ALIGN(PAGE_SIZE);
@@ -280,14 +249,7 @@ SECTIONS
* And finally the bss
*/
- .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
- __bss_start = .;
- *(.sbss) *(.scommon)
- *(.dynbss)
- *(.bss)
- *(COMMON)
- __bss_stop = .;
- }
+ BSS_SECTION(0, 0, 0)
. = ALIGN(PAGE_SIZE);
_end = . ;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-04-05 01:28:48 +0000