Flush_icache_range

Author: qxeh

August undefined, 2024

WebMar 15, 2024 · All the functionality of flush_icache_page can be implemented in - flush_dcache_page and update_mmu_cache. In the future, the hope + flush_dcache_page and update_mmu_cache_range. In the future, the hope is to remove this interface completely. The final category of APIs is for I/O to deliberately aliased address WebNov 12, 2024 · > + * flush_icache_range: Write any modified data cache blocks out to memory > + * and invalidate the corresponding blocks in the instruction cache > + * …

[v1,09/13] arm64: __clean_dcache_area_pop to take end parameter …

WebMay 11, 2024 · To be consistent with other functions with similar names and functionality in cacheflush.h, cache.S, and cachetlb.rst, change to specify the range in terms of start and end, as opposed to start and size. No functional change intended. Webflush_icache_user_range.) The reason for doing this is that when flush_icache_page is called from do_no_page or do_swap_page, I want to be able to do the flush … how did odysseus return home

> flush_icache_range() - LKML.ORG

WebIn theory, we can @@ -89,9 +89,9 @@ static inline void flush_icache_range(unsigned long start, unsigned long end) * the patching operation, so we don't need extra IPIs here anyway. * In which case, add a KGDB-specific bodge and return early. WebFeb 15, 2024 · ia64: Implement the new page table range API Add set_ptes (), update_mmu_cache_range () and flush_dcache_folio (). PG_arch_1 (aka PG_dcache_clean) becomes a per-folio flag instead of per-page, which makes arch_dma_mark_clean () and mark_clean () a little more exciting. Webflush_cache_range (struct mm_struct *mm, unsigned long start, unsigned long end); flush_tlb_range (struct mm_struct *mm, unsigned long start, unsigned long end); A … how many slices in a medium papa john\u0027s pizza

[1/1] arm64: fix flush_cache_range - Patchwork - Linux …

How to flush the whole instruction cache on powerpc?

WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH 1/3] MIPS: mm: Remove unused *cache_page_indexed flush functions @ 2024-04-03 9:41 Thomas Bogendoerfer 2024-04-03 9:41 ` [PATCH 2/3] MIPS: Remove no longer used ide.h Thomas Bogendoerfer ` (2 more replies) 0 siblings, 3 replies; 6+ messages in thread From: … WebGitiles. Code Review Sign In. nv-tegra.nvidia.com / linux-3.10 / c60afe1014dc4b8d2211fb6cc9dd08ebab31d00b / . / include / asm-mn10300 / cacheflush.h how did offfred get captured in the novelWebMay 10, 2024 · On Tue, May 12, 2024 at 04:00:26PM -0700, Palmer Dabbelt wrote: > Reviewed-by: Palmer Dabbelt > Acked-by: Palmer Dabbelt > > Were you trying to get these all in at once, or do you want me to take it into > my tree? Except for the small fixups at the beginning of the … how did oedipus get to know of the prophecy

"WebThis series first cleans up the cacheflush implementations, largely by switching as much as possible to the asm-generic version after a few preparations, then moves the misnamed … " - Flush_icache_range

Flush_icache_range

linux/cacheflush.h at master · torvalds/linux · GitHub

Webupdate a global variable __dcache_flags. The two functions __flush_cache_user_range () and __clean_dcache_area_pou () are modified to skip an unnecessary code execution … WebLinux-mm Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH v4 00/36] New page table range API @ 2024-03-15 5:14 Matthew Wilcox (Oracle) 2024-03-15 5:14 ` [PATCH v4 01/36] mm: Convert page_table_check_pte_set() to page_table_check_ptes_set() Matthew Wilcox (Oracle) ` (35 more replies) 0 siblings, 36 …

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Webdeclared in cacheflush.h and defined in cache.S. To compile my custom kernel module, I need to link it with the kernel object file cache.o produced by PetaLinux 2024.2 during kernel compilation (from the assembly file cache.S). Now, the problem is that this file cache.o contains undefined symbols. Webvoid flush_icache_range (unsigned long start, unsigned long end) When the kernel stores into addresses that it will execute out of (eg when loading modules), this function is …

WebNov 4, 2024 · flush_icache_range () __flush_dcache_icache () __flush_dcache_icache_phys () This was done as we discovered a long-standing bug … WebRoughly “cache flushing” means writing what’s in the cache out to memory (or simply cache data goes to memory) whereas “cache invalidating” means subsequently assuming all …

WebFrom: Thomas Bogendoerfer To: [email protected], [email protected] Subject: [PATCH 3/3] MIPS: mm: Remove local_cache_flush_page Date: Mon, 3 Apr 2024 11:41:12 +0200 [thread overview] Message-ID: <[email protected]> () In-Reply-To: … Web* flush_icache_user_range is used when we want to ensure that the * Harvard caches are synchronised for the user space address range. * This is used for the ARM private …

WebMay 21, 2011 · flush_icache_range (unsigned long start, unsigned long stop) For some values of 'start' and 'stop' arguments, the machine just hangs. If anybody knows the correct usage of this function or any other alternate way to flush icache, it would be great. caching flush powerpc Share Improve this question Follow asked May 8, 2011 at 22:50 db42

Webflush_cache_range (struct mm_struct *mm, unsigned long start, unsigned long end); flush_tlb_range (struct mm_struct *mm, unsigned long start, unsigned long end); A change to a particular range of user addresses in the address space described by the mm_struct passed is occurring. how many slices in a medium domino\\u0027s pizzaWebApr 4, 2024 · flush_icache_range () flush_icache_all () sbi_remote_fence_i () for CONFIG_RISCV_SBI case __sbi_rfence () Since sbi isn't initialized, so NULL deference! Here is a typical panic log: [ 0.000000] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 0.000000] Oops [#1] [ 0.000000] Modules linked in: how did officer howard liebengood dieWebThe IPI1 were raised by flush_icache_range in bpf_int_jit_compile(). Futher, the calling of it was introduced in 3b8c9f1cdfc5("arm64: IPI each CPU after invalidating the I-cache for kernel mappings"), then I found the bpf case seems no need this operation. how did odysseus show hospitalityWebFlushing the entire DCache also flushes any locked down code, without resetting the victim counter range. The cleaning and flushing utilities are performed using CP15 register 7, in … how did odysseus show hubrisWebMar 15, 2024 · @@ -53,7 +53,7 @@ extern void flush_icache_range(unsigned long start, unsigned long end); #define flush_icache_user_range flush_icache_range void flush_icache_pages(struct vm_area_struct *vma, struct page *page, unsigned int nr);-#define flush_icache_page(vma, page) flush_icache_pages(vma, page, 1) +#define … how many slices in a medium round table pizzaWebFeb 27, 2024 · Add set_ptes () and update_mmu_cache_range (). It would probably be more efficient to implement __update_tlb () by flushing the entire folio instead of calling it __update_tlb () N times, but I'll leave that for someone who understands the architecture better. Signed-off-by: Matthew Wilcox (Oracle) how many slices in a medium domino\u0027s pizzaWebJan 17, 2003 · - If dcaches are not writeback, dhwbi equals dhi, etc. - When flushing a range in the icache, we have to first writeback the dcache for the same range, so new ifetches will see any data that was dirty in the dcache. */ /* XTFIXME: Compare against arch/mips/mm/r4xx0.c, which has extensive tests before deciding to flush anything. how many slices in an xl peter piper pizza