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-rw-r--r--arch/powerpc/kernel/interrupt.c4
-rw-r--r--arch/powerpc/kernel/iommu.c2
-rw-r--r--arch/powerpc/kernel/misc_32.S26
-rw-r--r--arch/powerpc/kernel/process.c4
-rw-r--r--arch/powerpc/kernel/prom_init.c39
-rw-r--r--arch/powerpc/kernel/setup-common.c4
-rw-r--r--arch/powerpc/kernel/vdso32_wrapper.S2
-rw-r--r--arch/powerpc/kernel/vdso64_wrapper.S2
8 files changed, 23 insertions, 60 deletions
diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c
index af62ec974b97..8f4acc55407b 100644
--- a/arch/powerpc/kernel/interrupt.c
+++ b/arch/powerpc/kernel/interrupt.c
@@ -185,7 +185,7 @@ again:
ti_flags = read_thread_flags();
while (unlikely(ti_flags & (_TIF_USER_WORK_MASK & ~_TIF_RESTORE_TM))) {
local_irq_enable();
- if (ti_flags & _TIF_NEED_RESCHED) {
+ if (ti_flags & (_TIF_NEED_RESCHED | _TIF_NEED_RESCHED_LAZY)) {
schedule();
} else {
/*
@@ -396,7 +396,7 @@ notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs)
/* Returning to a kernel context with local irqs enabled. */
WARN_ON_ONCE(!(regs->msr & MSR_EE));
again:
- if (IS_ENABLED(CONFIG_PREEMPT)) {
+ if (IS_ENABLED(CONFIG_PREEMPTION)) {
/* Return to preemptible kernel context */
if (unlikely(read_thread_flags() & _TIF_NEED_RESCHED)) {
if (preempt_count() == 0)
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 76381e14e800..0ebae6e4c19d 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -687,7 +687,7 @@ void iommu_table_clear(struct iommu_table *tbl)
void iommu_table_reserve_pages(struct iommu_table *tbl,
unsigned long res_start, unsigned long res_end)
{
- int i;
+ unsigned long i;
WARN_ON_ONCE(res_end < res_start);
/*
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index 033cd00aa0fc..acb727f54e9d 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -28,32 +28,6 @@
.text
/*
- * This returns the high 64 bits of the product of two 64-bit numbers.
- */
-_GLOBAL(mulhdu)
- cmpwi r6,0
- cmpwi cr1,r3,0
- mr r10,r4
- mulhwu r4,r4,r5
- beq 1f
- mulhwu r0,r10,r6
- mullw r7,r10,r5
- addc r7,r0,r7
- addze r4,r4
-1: beqlr cr1 /* all done if high part of A is 0 */
- mullw r9,r3,r5
- mulhwu r10,r3,r5
- beq 2f
- mullw r0,r3,r6
- mulhwu r8,r3,r6
- addc r7,r0,r7
- adde r4,r4,r8
- addze r10,r10
-2: addc r4,r4,r9
- addze r3,r10
- blr
-
-/*
* reloc_got2 runs through the .got2 section adding an offset
* to each entry.
*/
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 7b739b9a91ab..ef91f71e07c4 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1960,8 +1960,8 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp)
* address of _start and the second entry is the TOC
* value we need to use.
*/
- __get_user(entry, (unsigned long __user *)start);
- __get_user(toc, (unsigned long __user *)start+1);
+ get_user(entry, (unsigned long __user *)start);
+ get_user(toc, (unsigned long __user *)start+1);
/* Check whether the e_entry function descriptor entries
* need to be relocated before we can use them.
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 8e776ba39497..57082fac4668 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -2792,7 +2792,6 @@ static void __init flatten_device_tree(void)
dt_struct_start, dt_struct_end);
}
-#ifdef CONFIG_PPC_CHRP
/*
* Pegasos and BriQ lacks the "ranges" property in the isa node
* Pegasos needs decimal IRQ 14/15, not hexadecimal
@@ -2843,11 +2842,7 @@ static void __init fixup_device_tree_chrp(void)
}
}
}
-#else
-#define fixup_device_tree_chrp()
-#endif
-#if defined(CONFIG_PPC64) && defined(CONFIG_PPC_PMAC)
static void __init fixup_device_tree_pmac64(void)
{
phandle u3, i2c, mpic;
@@ -2887,11 +2882,7 @@ static void __init fixup_device_tree_pmac64(void)
prom_setprop(i2c, "/u3@0,f8000000/i2c@f8001000", "interrupt-parent",
&parent, sizeof(parent));
}
-#else
-#define fixup_device_tree_pmac64()
-#endif
-#ifdef CONFIG_PPC_PMAC
static void __init fixup_device_tree_pmac(void)
{
__be32 val = 1;
@@ -2911,11 +2902,7 @@ static void __init fixup_device_tree_pmac(void)
prom_setprop(node, NULL, "#size-cells", &val, sizeof(val));
}
}
-#else
-static inline void fixup_device_tree_pmac(void) { }
-#endif
-#ifdef CONFIG_PPC_EFIKA
/*
* The MPC5200 FEC driver requires an phy-handle property to tell it how
* to talk to the phy. If the phy-handle property is missing, then this
@@ -3047,11 +3034,7 @@ static void __init fixup_device_tree_efika(void)
/* Make sure ethernet phy-handle property exists */
fixup_device_tree_efika_add_phy();
}
-#else
-#define fixup_device_tree_efika()
-#endif
-#ifdef CONFIG_PPC_PASEMI_NEMO
/*
* CFE supplied on Nemo is broken in several ways, biggest
* problem is that it reassigns ISA interrupts to unused mpic ints.
@@ -3127,17 +3110,23 @@ static void __init fixup_device_tree_pasemi(void)
prom_setprop(iob, name, "device_type", "isa", sizeof("isa"));
}
-#else /* !CONFIG_PPC_PASEMI_NEMO */
-static inline void fixup_device_tree_pasemi(void) { }
-#endif
static void __init fixup_device_tree(void)
{
- fixup_device_tree_chrp();
- fixup_device_tree_pmac();
- fixup_device_tree_pmac64();
- fixup_device_tree_efika();
- fixup_device_tree_pasemi();
+ if (IS_ENABLED(CONFIG_PPC_CHRP))
+ fixup_device_tree_chrp();
+
+ if (IS_ENABLED(CONFIG_PPC_PMAC))
+ fixup_device_tree_pmac();
+
+ if (IS_ENABLED(CONFIG_PPC_PMAC) && IS_ENABLED(CONFIG_PPC64))
+ fixup_device_tree_pmac64();
+
+ if (IS_ENABLED(CONFIG_PPC_EFIKA))
+ fixup_device_tree_efika();
+
+ if (IS_ENABLED(CONFIG_PPC_PASEMI_NEMO))
+ fixup_device_tree_pasemi();
}
static void __init prom_find_boot_cpu(void)
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 6fa179448c33..f7d7a93f07fc 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -834,8 +834,8 @@ static int __init check_cache_coherency(void)
if (devtree_coherency != KERNEL_COHERENCY) {
printk(KERN_ERR
"kernel coherency:%s != device tree_coherency:%s\n",
- KERNEL_COHERENCY ? "on" : "off",
- devtree_coherency ? "on" : "off");
+ str_on_off(KERNEL_COHERENCY),
+ str_on_off(devtree_coherency));
BUG();
}
diff --git a/arch/powerpc/kernel/vdso32_wrapper.S b/arch/powerpc/kernel/vdso32_wrapper.S
index 10f92f265d51..20bca3548b44 100644
--- a/arch/powerpc/kernel/vdso32_wrapper.S
+++ b/arch/powerpc/kernel/vdso32_wrapper.S
@@ -2,7 +2,7 @@
#include <linux/linkage.h>
#include <asm/page.h>
- __PAGE_ALIGNED_DATA
+ .section ".data..ro_after_init", "aw"
.globl vdso32_start, vdso32_end
.balign PAGE_SIZE
diff --git a/arch/powerpc/kernel/vdso64_wrapper.S b/arch/powerpc/kernel/vdso64_wrapper.S
index 839d1a61411d..1912936fa227 100644
--- a/arch/powerpc/kernel/vdso64_wrapper.S
+++ b/arch/powerpc/kernel/vdso64_wrapper.S
@@ -2,7 +2,7 @@
#include <linux/linkage.h>
#include <asm/page.h>
- __PAGE_ALIGNED_DATA
+ .section ".data..ro_after_init", "aw"
.globl vdso64_start, vdso64_end
.balign PAGE_SIZE