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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-02 11:33:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-02 11:33:15 -0700 |
| commit | ab2e7f4b46bf8fccf088ec496b3bb26b43e91340 (patch) | |
| tree | 0a3010aa08436bdee650fbf4d0371b8d17555ff3 /arch/arm/mm/ioremap.c | |
| parent | d7e0a795bf37a13554c80cfc5ba97abedf53f391 (diff) | |
| parent | 11779842dd6f59505f5685bdd6ebaaa7a5bc1d94 (diff) | |
| download | linux-ab2e7f4b46bf8fccf088ec496b3bb26b43e91340.tar.gz linux-ab2e7f4b46bf8fccf088ec496b3bb26b43e91340.tar.bz2 linux-ab2e7f4b46bf8fccf088ec496b3bb26b43e91340.zip | |
Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
- Rejig task/thread info to place thread info in task struct
- Amba bus cleanups (removing unused functions)
- Handle Amba device probe without IRQ domains
- Parse linux,usable-memory-range in decompressor
- Mark OCRAM as read-only after initialisation
- Refactor page fault handling
- Fix PXN handling with LPAE kernels
- Warning and build fixes from Arnd
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: (32 commits)
ARM: 9151/1: Thumb2: avoid __builtin_thread_pointer() on Clang
ARM: 9150/1: Fix PID_IN_CONTEXTIDR regression when THREAD_INFO_IN_TASK=y
ARM: 9147/1: add printf format attribute to early_print()
ARM: 9146/1: RiscPC needs older gcc version
ARM: 9145/1: patch: fix BE32 compilation
ARM: 9144/1: forbid ftrace with clang and thumb2_kernel
ARM: 9143/1: add CONFIG_PHYS_OFFSET default values
ARM: 9142/1: kasan: work around LPAE build warning
ARM: 9140/1: allow compile-testing without machine record
ARM: 9137/1: disallow CONFIG_THUMB with ARMv4
ARM: 9136/1: ARMv7-M uses BE-8, not BE-32
ARM: 9135/1: kprobes: address gcc -Wempty-body warning
ARM: 9101/1: sa1100/assabet: convert LEDs to gpiod APIs
ARM: 9131/1: mm: Fix PXN process with LPAE feature
ARM: 9130/1: mm: Provide die_kernel_fault() helper
ARM: 9126/1: mm: Kill page table base print in show_pte()
ARM: 9127/1: mm: Cleanup access_error()
ARM: 9129/1: mm: Kill task_struct argument for __do_page_fault()
ARM: 9128/1: mm: Refactor the __do_page_fault()
ARM: imx6: mark OCRAM mapping read-only
...
Diffstat (limited to 'arch/arm/mm/ioremap.c')
| -rw-r--r-- | arch/arm/mm/ioremap.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 80fb5a4a5c05..6e830b9418c9 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -36,6 +36,7 @@ #include <asm/mmu_context.h> #include <asm/pgalloc.h> #include <asm/tlbflush.h> +#include <asm/set_memory.h> #include <asm/system_info.h> #include <asm/mach/map.h> @@ -401,6 +402,11 @@ __arm_ioremap_exec(phys_addr_t phys_addr, size_t size, bool cached) __builtin_return_address(0)); } +void __arm_iomem_set_ro(void __iomem *ptr, size_t size) +{ + set_memory_ro((unsigned long)ptr, PAGE_ALIGN(size) / PAGE_SIZE); +} + void *arch_memremap_wb(phys_addr_t phys_addr, size_t size) { return (__force void *)arch_ioremap_caller(phys_addr, size, |