Messages in this thread | | | Date | Wed, 16 Jun 2021 10:28:43 +0100 | From | "Russell King (Oracle)" <> | Subject | Re: [PATCH 7/8] membarrier: Remove arm (32) support for SYNC_CORE |
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On Tue, Jun 15, 2021 at 08:21:12PM -0700, Andy Lutomirski wrote: > On arm32, the only way to safely flush icache from usermode is to call > cacheflush(2). This also handles any required pipeline flushes, so > membarrier's SYNC_CORE feature is useless on arm. Remove it.
Yay! About time too.
Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
-- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
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