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-rw-r--r--arch/powerpc/kernel/dma.c2
-rw-r--r--arch/powerpc/kernel/fpu.S5
-rw-r--r--arch/powerpc/kernel/ftrace.c4
-rw-r--r--arch/powerpc/kernel/head_32.S3
-rw-r--r--arch/powerpc/kernel/head_40x.S3
-rw-r--r--arch/powerpc/kernel/head_44x.S3
-rw-r--r--arch/powerpc/kernel/head_8xx.S3
-rw-r--r--arch/powerpc/kernel/head_fsl_booke.S3
-rw-r--r--arch/powerpc/kernel/irq.c4
-rw-r--r--arch/powerpc/kernel/lparcfg.c16
-rw-r--r--arch/powerpc/kernel/misc_64.S8
-rw-r--r--arch/powerpc/kernel/of_platform.c2
-rw-r--r--arch/powerpc/kernel/prom_init.c18
-rw-r--r--arch/powerpc/kernel/prom_parse.c11
-rw-r--r--arch/powerpc/kernel/ptrace32.c15
-rw-r--r--arch/powerpc/kernel/setup-common.c1
-rw-r--r--arch/powerpc/kernel/time.c8
-rw-r--r--arch/powerpc/kernel/vmlinux.lds.S5
18 files changed, 79 insertions, 35 deletions
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 1c5c8a6fc129..53c7788cba78 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -94,7 +94,7 @@ static int dma_direct_dma_supported(struct device *dev, u64 mask)
* done via some global so platforms can set the limit in case
* they have limited DMA windows
*/
- return mask >= DMA_32BIT_MASK;
+ return mask >= DMA_BIT_MASK(32);
#else
return 1;
#endif
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S
index a088c064ae40..2436df33c6f4 100644
--- a/arch/powerpc/kernel/fpu.S
+++ b/arch/powerpc/kernel/fpu.S
@@ -145,6 +145,11 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX)
beq 1f
PPC_LL r4,_MSR-STACK_FRAME_OVERHEAD(r5)
li r3,MSR_FP|MSR_FE0|MSR_FE1
+#ifdef CONFIG_VSX
+BEGIN_FTR_SECTION
+ oris r3,r3,MSR_VSX@h
+END_FTR_SECTION_IFSET(CPU_FTR_VSX)
+#endif
andc r4,r4,r3 /* disable FP for previous task */
PPC_STL r4,_MSR-STACK_FRAME_OVERHEAD(r5)
1:
diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index 5455943f16aa..70e2a736be1f 100644
--- a/arch/powerpc/kernel/ftrace.c
+++ b/arch/powerpc/kernel/ftrace.c
@@ -293,7 +293,7 @@ __ftrace_make_nop(struct module *mod,
if (tramp & 0x8000)
tramp -= 0x10000;
- pr_debug(" %x ", tramp);
+ pr_debug(" %lx ", tramp);
if (tramp != addr) {
printk(KERN_ERR
@@ -564,7 +564,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
if (unlikely(atomic_read(&current->tracing_graph_pause)))
return;
-#if CONFIG_PPC64
+#ifdef CONFIG_PPC64
/* non core kernel code needs to save and restore the TOC */
if (REGION_ID(self_addr) != KERNEL_REGION_ID)
return_hooker = (unsigned long)&mod_return_to_handler;
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index 54e68c11ae15..c01467f952d3 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -21,6 +21,7 @@
*
*/
+#include <linux/init.h>
#include <asm/reg.h>
#include <asm/page.h>
#include <asm/mmu.h>
@@ -50,7 +51,7 @@
mtspr SPRN_DBAT##n##L,RB; \
1:
- .section .text.head, "ax"
+ __HEAD
.stabs "arch/powerpc/kernel/",N_SO,0,0,0f
.stabs "head_32.S",N_SO,0,0,0f
0:
diff --git a/arch/powerpc/kernel/head_40x.S b/arch/powerpc/kernel/head_40x.S
index 56d8e5d90c5b..0c96911d4299 100644
--- a/arch/powerpc/kernel/head_40x.S
+++ b/arch/powerpc/kernel/head_40x.S
@@ -31,6 +31,7 @@
*
*/
+#include <linux/init.h>
#include <asm/processor.h>
#include <asm/page.h>
#include <asm/mmu.h>
@@ -52,7 +53,7 @@
*
* This is all going to change RSN when we add bi_recs....... -- Dan
*/
- .section .text.head, "ax"
+ __HEAD
_ENTRY(_stext);
_ENTRY(_start);
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index b56fecc93a16..18d8a1677c4d 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -28,6 +28,7 @@
* option) any later version.
*/
+#include <linux/init.h>
#include <asm/processor.h>
#include <asm/page.h>
#include <asm/mmu.h>
@@ -50,7 +51,7 @@
* r7 - End of kernel command line string
*
*/
- .section .text.head, "ax"
+ __HEAD
_ENTRY(_stext);
_ENTRY(_start);
/*
diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index 3c9452d4308b..52ff8c53b93c 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -19,6 +19,7 @@
*
*/
+#include <linux/init.h>
#include <asm/processor.h>
#include <asm/page.h>
#include <asm/mmu.h>
@@ -38,7 +39,7 @@
#else
#define DO_8xx_CPU6(val, reg)
#endif
- .section .text.head, "ax"
+ __HEAD
_ENTRY(_stext);
_ENTRY(_start);
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index 4c22620d009b..5bdcc06d294c 100644
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -30,6 +30,7 @@
* option) any later version.
*/
+#include <linux/init.h>
#include <linux/threads.h>
#include <asm/processor.h>
#include <asm/page.h>
@@ -53,7 +54,7 @@
* r7 - End of kernel command line string
*
*/
- .section .text.head, "ax"
+ __HEAD
_ENTRY(_stext);
_ENTRY(_start);
/*
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 5576147e57b6..8c1a4966867e 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -672,11 +672,13 @@ unsigned int irq_create_mapping(struct irq_host *host,
return NO_IRQ;
}
}
- pr_debug("irq: -> obtained virq %d\n", virq);
if (irq_setup_virq(host, virq, hwirq))
return NO_IRQ;
+ printk(KERN_DEBUG "irq: irq %lu on host %s mapped to virtual irq %u\n",
+ hwirq, host->of_node ? host->of_node->full_name : "null", virq);
+
return virq;
}
EXPORT_SYMBOL_GPL(irq_create_mapping);
diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
index 182e0f642f36..78b3f7840ade 100644
--- a/arch/powerpc/kernel/lparcfg.c
+++ b/arch/powerpc/kernel/lparcfg.c
@@ -434,6 +434,21 @@ static void pseries_cmo_data(struct seq_file *m)
seq_printf(m, "cmo_page_size=%lu\n", cmo_get_page_size());
}
+static void splpar_dispatch_data(struct seq_file *m)
+{
+ int cpu;
+ unsigned long dispatches = 0;
+ unsigned long dispatch_dispersions = 0;
+
+ for_each_possible_cpu(cpu) {
+ dispatches += lppaca[cpu].yield_count;
+ dispatch_dispersions += lppaca[cpu].dispersion_count;
+ }
+
+ seq_printf(m, "dispatches=%lu\n", dispatches);
+ seq_printf(m, "dispatch_dispersions=%lu\n", dispatch_dispersions);
+}
+
static int pseries_lparcfg_data(struct seq_file *m, void *v)
{
int partition_potential_processors;
@@ -460,6 +475,7 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v)
parse_ppp_data(m);
parse_mpp_data(m);
pseries_cmo_data(m);
+ splpar_dispatch_data(m);
seq_printf(m, "purr=%ld\n", get_purr());
} else { /* non SPLPAR case */
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index 3053fe5c62f2..b9530b2395a2 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -495,7 +495,15 @@ _GLOBAL(giveup_altivec)
stvx vr0,r4,r3
beq 1f
ld r4,_MSR-STACK_FRAME_OVERHEAD(r5)
+#ifdef CONFIG_VSX
+BEGIN_FTR_SECTION
+ lis r3,(MSR_VEC|MSR_VSX)@h
+FTR_SECTION_ELSE
+ lis r3,MSR_VEC@h
+ALT_FTR_SECTION_END_IFSET(CPU_FTR_VSX)
+#else
lis r3,MSR_VEC@h
+#endif
andc r4,r4,r3 /* disable FP for previous task */
std r4,_MSR-STACK_FRAME_OVERHEAD(r5)
1:
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 3f37a6e62771..87df428e3588 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -76,7 +76,7 @@ struct of_device* of_platform_device_create(struct device_node *np,
return NULL;
dev->dma_mask = 0xffffffffUL;
- dev->dev.coherent_dma_mask = DMA_32BIT_MASK;
+ dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
dev->dev.bus = &of_platform_bus_type;
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 2e026c0407d4..2f0e64b53642 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -614,7 +614,7 @@ static unsigned char ibm_architecture_vec[] = {
W(0xffffffff), /* virt_base */
W(0xffffffff), /* virt_size */
W(0xffffffff), /* load_base */
- W(64), /* 128MB min RMA */
+ W(64), /* 64MB min RMA */
W(0xffffffff), /* full client load */
0, /* min RMA percentage of total RAM */
48, /* max log_2(hash table size) */
@@ -732,15 +732,17 @@ 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...");
if (call_prom_ret("call-method", 3, 2, &ret,
ADDR("ibm,client-architecture-support"),
root,
ADDR(ibm_architecture_vec)) == 0) {
/* the call exists... */
if (ret)
- prom_printf("WARNING: ibm,client-architecture"
+ prom_printf("\nWARNING: ibm,client-architecture"
"-support call FAILED!\n");
call_prom("close", 1, 0, root);
+ prom_printf(" done\n");
return;
}
call_prom("close", 1, 0, root);
@@ -1083,7 +1085,7 @@ static void __init prom_instantiate_rtas(void)
return;
}
- prom_printf("instantiating rtas at 0x%x ...", base);
+ prom_printf("instantiating rtas at 0x%x...", base);
if (call_prom_ret("call-method", 3, 2, &entry,
ADDR("instantiate-rtas"),
@@ -1495,7 +1497,7 @@ static int __init prom_find_machine_type(void)
return PLATFORM_GENERIC;
x = prom_getproplen(rtas, "ibm,hypertas-functions");
if (x != PROM_ERROR) {
- prom_printf("Hypertas detected, assuming LPAR !\n");
+ prom_debug("Hypertas detected, assuming LPAR !\n");
return PLATFORM_PSERIES_LPAR;
}
return PLATFORM_PSERIES;
@@ -1544,7 +1546,7 @@ static void __init prom_check_displays(void)
};
const unsigned char *clut;
- prom_printf("Looking for displays\n");
+ prom_debug("Looking for displays\n");
for (node = 0; prom_next_node(&node); ) {
memset(type, 0, sizeof(type));
prom_getprop(node, "device_type", type, sizeof(type));
@@ -1562,7 +1564,7 @@ static void __init prom_check_displays(void)
if (call_prom("package-to-path", 3, 1, node, path,
PROM_SCRATCH_SIZE-10) == PROM_ERROR)
continue;
- prom_printf("found display : %s, opening ... ", path);
+ prom_printf("found display : %s, opening... ", path);
ih = call_prom("open", 1, 1, path);
if (ih == 0) {
@@ -2387,7 +2389,7 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
/*
* Now finally create the flattened device-tree
*/
- prom_printf("copying OF device tree ...\n");
+ prom_printf("copying OF device tree...\n");
flatten_device_tree();
/*
@@ -2402,7 +2404,7 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
* Call OF "quiesce" method to shut down pending DMA's from
* devices etc...
*/
- prom_printf("Calling quiesce ...\n");
+ prom_printf("Calling quiesce...\n");
call_prom("quiesce", 0, 0);
/*
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 8f0856f312da..8362620c9e6f 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -971,7 +971,7 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq
struct device_node *p;
const u32 *intspec, *tmp, *addr;
u32 intsize, intlen;
- int res;
+ int res = -EINVAL;
DBG("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index);
@@ -995,21 +995,20 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq
/* Get size of interrupt specifier */
tmp = of_get_property(p, "#interrupt-cells", NULL);
- if (tmp == NULL) {
- of_node_put(p);
- return -EINVAL;
- }
+ if (tmp == NULL)
+ goto out;
intsize = *tmp;
DBG(" intsize=%d intlen=%d\n", intsize, intlen);
/* Check index */
if ((index + 1) * intsize > intlen)
- return -EINVAL;
+ goto out;
/* Get new specifier and map it */
res = of_irq_map_raw(p, intspec + index * intsize, intsize,
addr, out_irq);
+out:
of_node_put(p);
return res;
}
diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c
index 197d49c790ad..297632cba047 100644
--- a/arch/powerpc/kernel/ptrace32.c
+++ b/arch/powerpc/kernel/ptrace32.c
@@ -67,7 +67,8 @@ static long compat_ptrace_old(struct task_struct *child, long request,
/* Macros to workout the correct index for the FPR in the thread struct */
#define FPRNUMBER(i) (((i) - PT_FPR0) >> 1)
#define FPRHALF(i) (((i) - PT_FPR0) & 1)
-#define FPRINDEX(i) TS_FPRWIDTH * FPRNUMBER(i) + FPRHALF(i)
+#define FPRINDEX(i) TS_FPRWIDTH * FPRNUMBER(i) * 2 + FPRHALF(i)
+#define FPRINDEX_3264(i) (TS_FPRWIDTH * ((i) - PT_FPR0))
long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
compat_ulong_t caddr, compat_ulong_t cdata)
@@ -168,8 +169,9 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
CHECK_FULL_REGS(child->thread.regs);
if (numReg >= PT_FPR0) {
flush_fp_to_thread(child);
- tmp = ((unsigned long int *)child->thread.fpr)
- [FPRINDEX(numReg)];
+ /* get 64 bit FPR */
+ tmp = ((u64 *)child->thread.fpr)
+ [FPRINDEX_3264(numReg)];
} else { /* register within PT_REGS struct */
tmp = ptrace_get_reg(child, numReg);
}
@@ -262,8 +264,13 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
freg = (freg & 0xfffffffful) | (data << 32);
ret = ptrace_put_reg(child, numReg, freg);
} else {
+ u64 *tmp;
flush_fp_to_thread(child);
- ((unsigned int *)child->thread.regs)[index] = data;
+ /* get 64 bit FPR ... */
+ tmp = &(((u64 *)child->thread.fpr)
+ [FPRINDEX_3264(numReg)]);
+ /* ... write the 32 bit part we want */
+ ((u32 *)tmp)[index % 2] = data;
ret = 0;
}
break;
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 9774f9fed96e..02fed27af7f6 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -36,7 +36,6 @@
#include <linux/percpu.h>
#include <linux/lmb.h>
#include <linux/of_platform.h>
-#include <linux/platform_device.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/processor.h>
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 926ea864e34f..48571ac56fb7 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -77,7 +77,7 @@
#include <linux/clockchips.h>
#include <linux/clocksource.h>
-static cycle_t rtc_read(void);
+static cycle_t rtc_read(struct clocksource *);
static struct clocksource clocksource_rtc = {
.name = "rtc",
.rating = 400,
@@ -88,7 +88,7 @@ static struct clocksource clocksource_rtc = {
.read = rtc_read,
};
-static cycle_t timebase_read(void);
+static cycle_t timebase_read(struct clocksource *);
static struct clocksource clocksource_timebase = {
.name = "timebase",
.rating = 400,
@@ -766,12 +766,12 @@ unsigned long read_persistent_clock(void)
}
/* clocksource code */
-static cycle_t rtc_read(void)
+static cycle_t rtc_read(struct clocksource *cs)
{
return (cycle_t)get_rtc();
}
-static cycle_t timebase_read(void)
+static cycle_t timebase_read(struct clocksource *cs)
{
return (cycle_t)get_tb();
}
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index b9ef1644a722..a047a6cfca4d 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -52,9 +52,10 @@ SECTIONS
/* Text and gots */
.text : AT(ADDR(.text) - LOAD_OFFSET) {
ALIGN_FUNCTION();
- *(.text.head)
+ HEAD_TEXT
_text = .;
- *(.text .fixup .text.init.refok .exit.text.refok __ftr_alt_*)
+ /* careful! __ftr_alt_* sections need to be close to .text */
+ *(.text .fixup __ftr_alt_* .ref.text)
SCHED_TEXT
LOCK_TEXT
KPROBES_TEXT
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.