Flush_icache_range

Author: acwz

August undefined, 2024

WebMay 24, 2016 · It's impossible a programmer > fixed a common bug on only one platform but leave others unchanged. flush_cache_range () is primarily used on VIVT caches before …

The Linux Cache Flush Architecture - Linux Documentation Project

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. 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: … rc hobby shop newnan ga

How to flush the whole instruction cache on powerpc?

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. 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 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. rc hobby shop midland tx

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[xtensa-cvscommit] linux/arch/xtensa/mm cache.c,NONE,1.1 ... - SourceForge

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 … 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. rc hobby shop monctonWebFrom: 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: … rc hobby shop locations

"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 … " - Flush_icache_range

Flush_icache_range

ia64: Implement the new page table range API [LWN.net]

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 …

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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. WebGitiles. Code Review Sign In. nv-tegra.nvidia.com / linux-3.10 / c60afe1014dc4b8d2211fb6cc9dd08ebab31d00b / . / include / asm-mn10300 / cacheflush.h

WebFlushing 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 … 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 …

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 … 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 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 …

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 … rc hobby shop michiganWeb* flush_dcache_page is used when the kernel has written to the page * cache page at virtual address page->virtual. * * If this page isn't mapped (ie, page_mapping == NULL), or it … rc hobby shop new port richey flWebcacheflush.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 … rc hobby shop middletown new yorkWebJan 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. sims 4 sims cancelling actionsWebdeclared 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. rc hobby shop on barataria blvdWebNov 4, 2024 · flush_icache_range () __flush_dcache_icache () __flush_dcache_icache_phys () This was done as we discovered a long-standing bug … sims 4 sims can have 2 jobs modWebFeb 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) rc hobby shop oakland ca