Messages in this thread Patch in this message | | | Date | Thu, 24 Jan 2019 16:37:44 +0000 | From | Catalin Marinas <> | Subject | Re: [Qestion] Softlockup when send IPI to other CPUs |
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Hi Shijith,
On Thu, Jan 24, 2019 at 07:00:42AM +0000, Shijith Thotton wrote: > On 01/23/2019 11:45 PM, Catalin Marinas wrote: > > diff --git a/arch/arm64/mm/flush.c b/arch/arm64/mm/flush.c > > index 30695a868107..5c9073bace83 100644 > > --- a/arch/arm64/mm/flush.c > > +++ b/arch/arm64/mm/flush.c > > @@ -33,7 +33,11 @@ void sync_icache_aliases(void *kaddr, unsigned long len) > > __clean_dcache_area_pou(kaddr, len); > > __flush_icache_all(); > > } else { > > - flush_icache_range(addr, addr + len); > > + /* > > + * Don't issue kick_all_cpus_sync() after I-cache invalidation > > + * for user mappings. > > + */ > > + __flush_icache_range(addr, addr + len); > > } > > } > > We also faced similar issue with LTP test migrate_pages03 in past and this patch > fixes the issue. > > http://lists.infradead.org/pipermail/linux-arm-kernel/2019-January/623574.html
Thanks for confirming. I presume I can add your tested-by.
-- Catalin
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