Flush_icache_range

Author: toyq

August undefined, 2024

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: … WebNov 12, 2024 · > + * flush_icache_range: Write any modified data cache blocks out to memory > + * and invalidate the corresponding blocks in the instruction cache > + * …

[PATCH] flush_icache_user_range (v2.5.4) - University of …

Webcacheflush () flushes the contents of the indicated cache (s) for the user addresses in the range addr to (addr+nbytes-1). cache may be one of: ICACHE Flush the instruction … 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: … optiview ip4mibc-212-zs

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

Webflush_cache_range () is primarily used on VIVT caches before changing the mapping and should not really be implemented on arm64. I don't recall why we still have the I-cache invalidation, possibly for the ASID-tagged VIVT I-cache case, though we should have a specific check for this. WebThe 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. 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 called. ... All the functionality of flush_icache_page can be implemented in flush_dcache_page and update_mmu_cache. In the future, the hope is to remove this interface ... optiview glass pilkington

The Linux Cache Flush Architecture - Linux Documentation Project

Subject [PATCH v4 30/36] mm: Rationalise flush_icache_pages() and flush …

WebFeb 28, 2024 · From: Jinyang He <> Subject [PATCH v2 4/6] LoongArch: Drop pernode exception handlers: Date: Tue, 28 Feb 2024 16:02:55 +0800 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 … portofino\u0027s crystal city vaWebFeb 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. optiview medical

"WebApr 8, 2024 · Currently, these trampolines are not instruction > fenced, thus their visibility to ifetch is not guaranteed. > > This patch adds a flush_icache_range in setup_rt_frame to fix this > problem. > I assume that this is then Fixes: 6bd33e1ece52 ("riscv: add nommu support") yeah? Cheers, Conor. " - Flush_icache_range

Flush_icache_range

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

Webcacheflush() flushes the contents of the indicated cache(s) for the user addresses in the range addr to (addr+nbytes-1). cache may be one of: ICACHE Flush the instruction … WebMar 28, 2014 · Here we are flushing a specific range of (user) virtual addresses from the cache. After running, there will be no entries in the cache for 'vma->vm_mm' for virtual addresses in the range 'start' to 'end-1'. You can also check implementation of the function - http://lxr.free-electrons.com/ident?a=sh;i=flush_cache_range

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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 … 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 …

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 Webcacheflush.h - arch/arm/include/asm/cacheflush.h - Linux source code (v6.2.2) - Bootlin. Elixir Cross Referencer - Explore source code in your browser - Particularly useful for the …

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 WebMay 15, 2024 · sort out the flush_icache_range mess v2 Christoph Hellwig [PATCH 03/29] powerpc: unexport flush_icache_user_r... Christoph Hellwig [PATCH 04/29] unicore32: remove flush_cache_user_ra... Christoph Hellwig [PATCH 01/29] arm: fix the flush_icache_range argum... Christoph Hellwig [PATCH 02/29] nds32: unexport …

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.

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 … optiview longwoodWebIn 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. optiview man tgmWebflush_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 … optiview nashWebFlushing 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 … optiview oberonWeb* 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 … portofino\u0027s ayrsley charlotteWeb* flush_user_range (start, end, flags) * * Clean and invalidate a range of cache entries in the * specified address space before a change of page tables. * - start - user start address (inclusive, page aligned) * - end - user end address (exclusive, page aligned) * - flags - vma->vm_flags field * * coherent_kern_range (start, end) * optiview granite schoolsWebRoughly “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 … portofino\u0027s east ridge tennessee