Paul Burton e4acfbc18f MIPS: Check Loongson3 LL/SC errata workaround correctness ... When Loongson3 LL/SC errata workarounds are enabled (ie. CONFIG_CPU_LOONGSON3_WORKAROUNDS=y) run a tool to scan through the compiled kernel & ensure that the workaround is applied correctly. That is, ensure that: - Every LL or LLD instruction is preceded by a sync instruction. - Any branches from within an LL/SC loop to outside of that loop target a sync instruction. Reasoning for these conditions can be found by reading the comment above the definition of __SYNC_loongson3_war in arch/mips/include/asm/sync.h. This tool will help ensure that we don't inadvertently introduce code paths that miss the required workarounds. Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: linux-mips@vger.kernel.org Cc: Huacai Chen <chenhc@lemote.com> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: linux-kernel@vger.kernel.org		2019-10-07 09:43:13 -07:00
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.gitignore	MIPS: Check Loongson3 LL/SC errata workaround correctness	2019-10-07 09:43:13 -07:00
elf-entry.c	MIPS: Use a custom elf-entry program to find kernel entry point	2018-08-30 09:39:22 -07:00
generic-board-config.sh	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152	2019-05-30 11:26:32 -07:00
loongson3-llsc-check.c	MIPS: Check Loongson3 LL/SC errata workaround correctness	2019-10-07 09:43:13 -07:00
Makefile	MIPS: Check Loongson3 LL/SC errata workaround correctness	2019-10-07 09:43:13 -07:00