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-rw-r--r--arch/arm/Kconfig6
-rw-r--r--arch/arm/boot/compressed/Makefile12
-rw-r--r--arch/arm/boot/compressed/head.S29
-rw-r--r--arch/arm/boot/dts/dra7-evm-common.dtsi2
-rw-r--r--arch/arm/boot/dts/dra72-evm-common.dtsi2
-rw-r--r--arch/arm/boot/dts/dra7xx-clocks.dtsi14
-rw-r--r--arch/arm/include/asm/pgtable-2level.h1
-rw-r--r--arch/arm/include/asm/pgtable-3level.h1
-rw-r--r--arch/arm/include/asm/pgtable-nommu.h6
-rw-r--r--arch/arm/include/asm/tlb.h4
-rw-r--r--arch/arm/kernel/atags_proc.c8
-rw-r--r--arch/arm/kernel/stacktrace.c2
-rw-r--r--arch/arm/kernel/traps.c6
-rw-r--r--arch/arm/mm/alignment.c14
-rw-r--r--arch/arm/mm/dma-mapping.c2
-rw-r--r--arch/arm/mm/init.c2
16 files changed, 60 insertions, 51 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 0b1b1c66bce9..97864aabc2a6 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -74,7 +74,7 @@ config ARM
select HAVE_CONTEXT_TRACKING
select HAVE_COPY_THREAD_TLS
select HAVE_C_RECORDMCOUNT
- select HAVE_DEBUG_KMEMLEAK
+ select HAVE_DEBUG_KMEMLEAK if !XIP_KERNEL
select HAVE_DMA_CONTIGUOUS if MMU
select HAVE_DYNAMIC_FTRACE if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU
select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE
@@ -102,7 +102,7 @@ config ARM
select HAVE_PERF_EVENTS
select HAVE_PERF_REGS
select HAVE_PERF_USER_STACK_DUMP
- select HAVE_RCU_TABLE_FREE if SMP && ARM_LPAE
+ select MMU_GATHER_RCU_TABLE_FREE if SMP && ARM_LPAE
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_RSEQ
select HAVE_STACKPROTECTOR
@@ -1905,7 +1905,7 @@ config XIP_DEFLATED_DATA
config KEXEC
bool "Kexec system call (EXPERIMENTAL)"
depends on (!SMP || PM_SLEEP_SMP)
- depends on !CPU_V7M
+ depends on MMU
select KEXEC_CORE
help
kexec is a system call that implements the ability to shutdown your
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index a1e883c5e5c4..da599c3a1193 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -110,12 +110,12 @@ endif
# -fstack-protector-strong triggers protection checks in this code,
# but it is being used too early to link to meaningful stack_chk logic.
-nossp_flags := $(call cc-option, -fno-stack-protector)
-CFLAGS_atags_to_fdt.o := $(nossp_flags)
-CFLAGS_fdt.o := $(nossp_flags)
-CFLAGS_fdt_ro.o := $(nossp_flags)
-CFLAGS_fdt_rw.o := $(nossp_flags)
-CFLAGS_fdt_wip.o := $(nossp_flags)
+nossp-flags-$(CONFIG_CC_HAS_STACKPROTECTOR_NONE) := -fno-stack-protector
+CFLAGS_atags_to_fdt.o := $(nossp-flags-y)
+CFLAGS_fdt.o := $(nossp-flags-y)
+CFLAGS_fdt_ro.o := $(nossp-flags-y)
+CFLAGS_fdt_rw.o := $(nossp-flags-y)
+CFLAGS_fdt_wip.o := $(nossp-flags-y)
ccflags-y := -fpic $(call cc-option,-mno-single-pic-base,) -fno-builtin -I$(obj)
asflags-y := -DZIMAGE
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index ead21e5f2b80..088b0a060876 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -140,6 +140,17 @@
#endif
.endm
+ .macro enable_cp15_barriers, reg
+ mrc p15, 0, \reg, c1, c0, 0 @ read SCTLR
+ tst \reg, #(1 << 5) @ CP15BEN bit set?
+ bne .L_\@
+ orr \reg, \reg, #(1 << 5) @ CP15 barrier instructions
+ mcr p15, 0, \reg, c1, c0, 0 @ write SCTLR
+ ARM( .inst 0xf57ff06f @ v7+ isb )
+ THUMB( isb )
+.L_\@:
+ .endm
+
.section ".start", "ax"
/*
* sort out different calling conventions
@@ -820,6 +831,7 @@ __armv4_mmu_cache_on:
mov pc, r12
__armv7_mmu_cache_on:
+ enable_cp15_barriers r11
mov r12, lr
#ifdef CONFIG_MMU
mrc p15, 0, r11, c0, c1, 4 @ read ID_MMFR0
@@ -1209,6 +1221,7 @@ __armv6_mmu_cache_flush:
mov pc, lr
__armv7_mmu_cache_flush:
+ enable_cp15_barriers r10
tst r4, #1
bne iflush
mrc p15, 0, r10, c0, c1, 5 @ read ID_MMFR1
@@ -1447,21 +1460,7 @@ ENTRY(efi_stub_entry)
@ Preserve return value of efi_entry() in r4
mov r4, r0
-
- @ our cache maintenance code relies on CP15 barrier instructions
- @ but since we arrived here with the MMU and caches configured
- @ by UEFI, we must check that the CP15BEN bit is set in SCTLR.
- @ Note that this bit is RAO/WI on v6 and earlier, so the ISB in
- @ the enable path will be executed on v7+ only.
- mrc p15, 0, r1, c1, c0, 0 @ read SCTLR
- tst r1, #(1 << 5) @ CP15BEN bit set?
- bne 0f
- orr r1, r1, #(1 << 5) @ CP15 barrier instructions
- mcr p15, 0, r1, c1, c0, 0 @ write SCTLR
- ARM( .inst 0xf57ff06f @ v7+ isb )
- THUMB( isb )
-
-0: bl cache_clean_flush
+ bl cache_clean_flush
bl cache_off
@ Set parameters for booting zImage according to boot protocol
diff --git a/arch/arm/boot/dts/dra7-evm-common.dtsi b/arch/arm/boot/dts/dra7-evm-common.dtsi
index 82eeba8faef1..23244b5a9942 100644
--- a/arch/arm/boot/dts/dra7-evm-common.dtsi
+++ b/arch/arm/boot/dts/dra7-evm-common.dtsi
@@ -4,7 +4,7 @@
*/
#include <dt-bindings/gpio/gpio.h>
-#include <dt-bindings/clk/ti-dra7-atl.h>
+#include <dt-bindings/clock/ti-dra7-atl.h>
#include <dt-bindings/input/input.h>
/ {
diff --git a/arch/arm/boot/dts/dra72-evm-common.dtsi b/arch/arm/boot/dts/dra72-evm-common.dtsi
index 8641a3d7d8ad..9eabfd1502da 100644
--- a/arch/arm/boot/dts/dra72-evm-common.dtsi
+++ b/arch/arm/boot/dts/dra72-evm-common.dtsi
@@ -6,7 +6,7 @@
#include "dra72x.dtsi"
#include <dt-bindings/gpio/gpio.h>
-#include <dt-bindings/clk/ti-dra7-atl.h>
+#include <dt-bindings/clock/ti-dra7-atl.h>
/ {
compatible = "ti,dra72-evm", "ti,dra722", "ti,dra72", "ti,dra7";
diff --git a/arch/arm/boot/dts/dra7xx-clocks.dtsi b/arch/arm/boot/dts/dra7xx-clocks.dtsi
index 93e1eb83bed9..ccf0fd477cf9 100644
--- a/arch/arm/boot/dts/dra7xx-clocks.dtsi
+++ b/arch/arm/boot/dts/dra7xx-clocks.dtsi
@@ -1734,6 +1734,20 @@
};
};
+ gpu_cm: gpu-cm@1200 {
+ compatible = "ti,omap4-cm";
+ reg = <0x1200 0x100>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x1200 0x100>;
+
+ gpu_clkctrl: gpu-clkctrl@20 {
+ compatible = "ti,clkctrl";
+ reg = <0x20 0x4>;
+ #clock-cells = <2>;
+ };
+ };
+
l3init_cm: l3init-cm@1300 {
compatible = "ti,omap4-cm";
reg = <0x1300 0x100>;
diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h
index 51beec41d48c..0d3ea35c97fe 100644
--- a/arch/arm/include/asm/pgtable-2level.h
+++ b/arch/arm/include/asm/pgtable-2level.h
@@ -189,6 +189,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
}
#define pmd_large(pmd) (pmd_val(pmd) & 2)
+#define pmd_leaf(pmd) (pmd_val(pmd) & 2)
#define pmd_bad(pmd) (pmd_val(pmd) & 2)
#define pmd_present(pmd) (pmd_val(pmd))
diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
index 5b18295021a0..ad55ab068dbf 100644
--- a/arch/arm/include/asm/pgtable-3level.h
+++ b/arch/arm/include/asm/pgtable-3level.h
@@ -134,6 +134,7 @@
#define pmd_sect(pmd) ((pmd_val(pmd) & PMD_TYPE_MASK) == \
PMD_TYPE_SECT)
#define pmd_large(pmd) pmd_sect(pmd)
+#define pmd_leaf(pmd) pmd_sect(pmd)
#define pud_clear(pudp) \
do { \
diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h
index 010fa1a35a68..30fb2330f57b 100644
--- a/arch/arm/include/asm/pgtable-nommu.h
+++ b/arch/arm/include/asm/pgtable-nommu.h
@@ -42,12 +42,6 @@
#define swapper_pg_dir ((pgd_t *) 0)
-#define __swp_type(x) (0)
-#define __swp_offset(x) (0)
-#define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
-#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
-#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
-
typedef pte_t *pte_addr_t;
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 669474add486..4d4e7b6aabff 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -37,10 +37,6 @@ static inline void __tlb_remove_table(void *_table)
#include <asm-generic/tlb.h>
-#ifndef CONFIG_HAVE_RCU_TABLE_FREE
-#define tlb_remove_table(tlb, entry) tlb_remove_page(tlb, entry)
-#endif
-
static inline void
__pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr)
{
diff --git a/arch/arm/kernel/atags_proc.c b/arch/arm/kernel/atags_proc.c
index 312cb89ec364..4247ebf4b893 100644
--- a/arch/arm/kernel/atags_proc.c
+++ b/arch/arm/kernel/atags_proc.c
@@ -17,9 +17,9 @@ static ssize_t atags_read(struct file *file, char __user *buf,
return simple_read_from_buffer(buf, count, ppos, b->data, b->size);
}
-static const struct file_operations atags_fops = {
- .read = atags_read,
- .llseek = default_llseek,
+static const struct proc_ops atags_proc_ops = {
+ .proc_read = atags_read,
+ .proc_lseek = default_llseek,
};
#define BOOT_PARAMS_SIZE 1536
@@ -61,7 +61,7 @@ static int __init init_atags_procfs(void)
b->size = size;
memcpy(b->data, atags_copy, size);
- tags_entry = proc_create_data("atags", 0400, NULL, &atags_fops, b);
+ tags_entry = proc_create_data("atags", 0400, NULL, &atags_proc_ops, b);
if (!tags_entry)
goto nomem;
diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index 71778bb0475b..cc726afea023 100644
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -92,6 +92,8 @@ static int save_trace(struct stackframe *frame, void *d)
return 0;
regs = (struct pt_regs *)frame->sp;
+ if ((unsigned long)&regs[1] > ALIGN(frame->sp, THREAD_SIZE))
+ return 0;
trace->entries[trace->nr_entries++] = regs->ARM_pc;
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index abb7dd7e656f..1e70e7227f0f 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -64,14 +64,16 @@ static void dump_mem(const char *, const char *, unsigned long, unsigned long);
void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame)
{
+ unsigned long end = frame + 4 + sizeof(struct pt_regs);
+
#ifdef CONFIG_KALLSYMS
printk("[<%08lx>] (%ps) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from);
#else
printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from);
#endif
- if (in_entry_text(from))
- dump_mem("", "Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs));
+ if (in_entry_text(from) && end <= ALIGN(frame, THREAD_SIZE))
+ dump_mem("", "Exception stack", frame + 4, end);
}
void dump_backtrace_stm(u32 *stack, u32 instruction)
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 788c5cf46de5..84718eddae60 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -162,12 +162,12 @@ static ssize_t alignment_proc_write(struct file *file, const char __user *buffer
return count;
}
-static const struct file_operations alignment_proc_fops = {
- .open = alignment_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = alignment_proc_write,
+static const struct proc_ops alignment_proc_ops = {
+ .proc_open = alignment_proc_open,
+ .proc_read = seq_read,
+ .proc_lseek = seq_lseek,
+ .proc_release = single_release,
+ .proc_write = alignment_proc_write,
};
#endif /* CONFIG_PROC_FS */
@@ -1016,7 +1016,7 @@ static int __init alignment_init(void)
struct proc_dir_entry *res;
res = proc_create("cpu/alignment", S_IWUSR | S_IRUGO, NULL,
- &alignment_proc_fops);
+ &alignment_proc_ops);
if (!res)
return -ENOMEM;
#endif
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index e822af0d9219..9414d72f664b 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -221,7 +221,7 @@ EXPORT_SYMBOL(arm_coherent_dma_ops);
static int __dma_supported(struct device *dev, u64 mask, bool warn)
{
- unsigned long max_dma_pfn = min(max_pfn, arm_dma_pfn_limit);
+ unsigned long max_dma_pfn = min(max_pfn - 1, arm_dma_pfn_limit);
/*
* Translate the device's DMA mask to a PFN limit. This
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 3ef204137e73..054be44d1cdb 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -324,7 +324,7 @@ static inline void poison_init_mem(void *s, size_t count)
*p++ = 0xe7fddef0;
}
-static inline void
+static inline void __init
free_memmap(unsigned long start_pfn, unsigned long end_pfn)
{
struct page *start_pg, *end_pg;
generated by cgit v1.2.3 (git 2.39.0) at 2025-03-10 22:28:19 +0300