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Loongson fix llsc

WebRE: [PATCH] [MIPS] Add fix for loongson3 llsc errata. From: Matthew Fortune ; To: Jiaxun Yang , "binutils at sourceware dot org" ; Date: Mon, 22 Jan 2024 08:51:25 +0000; Subject: RE: [PATCH] [MIPS] Add fix for loongson3 llsc errata; … WebLoongson-3 LLSC Workarounds found in arch/mips/Kconfig The configuration item CONFIG_CPU_LOONGSON3_WORKAROUNDS: prompt: Loongson-3 LLSC Workarounds type: bool depends on: ( CONFIG_SMP ) && ( CONFIG_CPU_LOONGSON64 ) defined in arch/mips/Kconfig found in Linux kernels: 5.18–5.19, 6.0–6.2, 6.3-rc+HEAD …

CONFIG_CPU_LOONGSON3_WORKAROUNDS: Loongson-3 LLSC …

WebThis patch fix all the cases in kernel, but: +. the fix at the end of futex_atomic_cmpxchg_inatomic is for branch-target of 'bne', there other cases which smp_mb__before_llsc() and smp_llsc_mb() fix the ll and branch-target coincidently such as atomic_sub_if_positive/ cmpxchg/xchg, just like this one. +. Loongson 3 does support … Web9 de jan. de 2024 · -mfix-loongson3-llsc. This breaks labels which might then point at the wrong instruction. The workaround to explicitly pass -mno-fix-loongson3-llsc has been … tental condos in wachesaw https://bdvinebeauty.com

[PATCH] [MIPS] GAS: Fix Loongson3 LLSC errata.

WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * Re:Re：Re: Re：[PATCH 4.9 81/96] MIPS:Loongson: Introduce and use loongson_llsc_mb() [not found] @ 2024-03-14 3:08 ` 陈华才 0 siblings, 0 replies; only message in thread From: 陈华才 @ 2024-03-14 3:08 UTC (permalink / … Web*/ > + static bfd_boolean mips_fix_loongson3_llsc = TRUE; > + Just a brief comment... you are asking here for all code generation for all cores to pay the penalty of the loongson errata by enabling this by default. ... for just the loongson cores when targeted with -march. Web1 de fev. de 2024 · But ls7a2000 improve it to 32 bytes. v3: fix more grammar mistakes in Kconfig reported by Randy Dunlap and give more details about lsdc. v2: fixup warnings reported by kernel test robot There is a display controller in loongson's LS2K1000 SoC and LS7A1000 bridge, and the DC in those chip is a PCI device. triang r52 locomotive

LKML: Sasha Levin: [PATCH AUTOSEL 4.9 17/19] MIPS: Loongson: …

Category:Re:Re：Re: Re：[PATCH 4.9 81/96] MIPS:Loongson: Introduce and …

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Loongson fix llsc

LKML: Peter Zijlstra: [PATCH v2 2/4] mips/atomic: Fix …

Web12 de out. de 2014 · This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the files whose names start with COPYING for … WebOn the Loongson-2G/2H/3A/3B there is a hardware flaw that ll/sc and lld/scd is very weak ordering. We should add sync instructions before each ll/lld and after the last sc/scd to workaround. Otherwise, this flaw will cause deadlock occationally (e.g. when doing heavy load test with LTP).

Loongson fix llsc

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Web11 de jan. de 2024 · To: 徐成华 ; Subject: Re: [PATCH 1/2] MIPS: Loongson, add sync before target of branch between llsc; From: Paul Burton ; Date: Fri, 11 Jan 2024 19:00:50 +0000; Accept-language: en-US; Cc: Yunqiang Su , Paul Burton , "linux … WebYou will probably need to enable it (if not explicitly disabled) for just the loongson cores when targeted with -march. If you are aiming for this to be enabled in a linux distro such …

WebThis patch fix all the cases in kernel, but: +. the fix at the end of futex_atomic_cmpxchg_inatomic is for branch-target of 'bne', there other cases which smp_mb__before_llsc() and smp_llsc_mb() fix the ll and branch-target coincidently such as atomic_sub_if_positive/ cmpxchg/xchg, just like this one. +. Loongson 3 does support … Web4.9-stable review patch. If anyone has any objections, please let me know.

WebThis patch fix all the cases in kernel, but: +. the fix at the end of futex_atomic_cmpxchg_inatomic is for branch-target of 'bne', there other cases which smp_mb__before_llsc() and smp_llsc_mb() fix the ll and branch-target coincidently such as atomic_sub_if_positive/ cmpxchg/xchg, just like this one. +. Loongson 3 does support … WebThe workaround to explicitly pass -mno-fix-loongson3-llsc has been added in Linux version 5.1, but is only enabled when building a Loongson 64 kernel. As vendors might use a …

Web4.19-stable review patch. If anyone has any objections, please let me know.

Why disable fix-loongson3-llsc in compiler? Because compiler fix will cause problems in kernel's __ex_table section. This patch fix all the cases in kernel, but: +. the fix at the end of futex_atomic_cmpxchg_inatomic is for branch-target of 'bne', there other cases which smp_mb__before_llsc() and smp_llsc_mb() fix the ll and branch-target coincidently such as atomic_sub_if_positive/ cmpxchg ... triang r52 service sheetWebThe issue has been solved in later Loongson2F batches, but this fix has no side effect to them. +@item -mfix-loongson3-llsc +@itemx -mno-fix-loongson3-llsc +Insert … triang r59 service sheetWebIn some older Loongson 3A1000 processors there is a LL/SC errata that can cause the CPU to deadlock occasionally. The details are very complicated. We find a way to work … triang railways on youtubeWeb28 de fev. de 2024 · This patch fix all the cases in kernel, but: +. the fix at the end of futex_atomic_cmpxchg_inatomic is for branch-target of 'bne', there other cases which smp_mb__before_llsc() and smp_llsc_mb() fix the ll and branch-target coincidently such as atomic_sub_if_positive/ cmpxchg/xchg, just like this one. +. Loongson 3 does support … tri-ang railwaysWebAt the end of this tournament, Fix says goodbye to the team where I stand out. In the middle of the year he enters XTEN Esports as AD Carry participating in the LLA 2024 Closing … ten talents trading companyWeb30 de nov. de 2024 · (all_defaults): Add fix-loongson3-llsc. * config/mips/mips.c (mips_process_sync_loop): Add sync before branch target that between ll and sc. * … ten talents art center blue earth mnWeb20 de nov. de 2024 · Request PDF On Mar 30 2024 Anggraini Ratih Kumaraningrum and others published Manajemen Ketidakberpihakan di LSP BATAN dengan Pendekatan … triang railways accessories on ebay