From: Mark Rutland <mark.rutland@arm.com>
To: Fuad Tabba <tabba@google.com>
Cc: linux-arm-kernel@lists.infradead.org, will@kernel.org,
catalin.marinas@arm.com, maz@kernel.org, ardb@kernel.org,
james.morse@arm.com, alexandru.elisei@arm.com,
suzuki.poulose@arm.com, robin.murphy@arm.com
Subject: Re: [PATCH v3 05/18] arm64: Do not enable uaccess for flush_icache_range
Date: Fri, 21 May 2021 13:18:46 +0100 [thread overview]
Message-ID: <20210521121846.GB1040@C02TD0UTHF1T.local> (raw)
In-Reply-To: <20210520153735.GM17233@C02TD0UTHF1T.local>
On Thu, May 20, 2021 at 04:37:35PM +0100, Mark Rutland wrote:
> On Thu, May 20, 2021 at 03:02:16PM +0100, Mark Rutland wrote:
> Having thought about this a bit more, it's simple enough to do that now:
>
> | alternative_if ARM64_HAS_CACHE_IDC
> | dsb ishst
> | b .Ldc_skip_\@
> | alternative_else_nop_endif
> | mov x0, x2
> | add x3, x0, x1
> | dcache_by_line_op cvau, ishst, x2, x3, x4, x5, \fixup
> | .Ldc_skip_\@
Looking at this again, that "ishst" should be "ish", but otherwise this
stands.
Mark.
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next prev parent reply other threads:[~2021-05-21 12:21 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-20 12:43 [PATCH v3 00/18] Tidy up cache.S Fuad Tabba
2021-05-20 12:43 ` [PATCH v3 01/18] arm64: assembler: replace `kaddr` with `addr` Fuad Tabba
2021-05-20 12:43 ` [PATCH v3 02/18] arm64: assembler: add conditional cache fixups Fuad Tabba
2021-05-20 12:43 ` [PATCH v3 03/18] arm64: Apply errata to swsusp_arch_suspend_exit Fuad Tabba
2021-05-20 12:46 ` Mark Rutland
2021-05-20 12:43 ` [PATCH v3 04/18] arm64: assembler: user_alt label optional Fuad Tabba
2021-05-20 12:57 ` Mark Rutland
2021-05-21 11:46 ` Fuad Tabba
2021-05-21 13:05 ` Mark Rutland
2021-05-20 12:43 ` [PATCH v3 05/18] arm64: Do not enable uaccess for flush_icache_range Fuad Tabba
2021-05-20 14:02 ` Mark Rutland
2021-05-20 15:37 ` Mark Rutland
2021-05-21 12:18 ` Mark Rutland [this message]
2021-05-25 11:18 ` Catalin Marinas
2021-05-20 12:43 ` [PATCH v3 06/18] arm64: Do not enable uaccess for invalidate_icache_range Fuad Tabba
2021-05-20 14:13 ` Mark Rutland
2021-05-25 11:18 ` Catalin Marinas
2021-05-20 12:43 ` [PATCH v3 07/18] arm64: Downgrade flush_icache_range to invalidate Fuad Tabba
2021-05-20 14:15 ` Mark Rutland
2021-05-25 11:18 ` Catalin Marinas
2021-05-20 12:43 ` [PATCH v3 08/18] arm64: Move documentation of dcache_by_line_op Fuad Tabba
2021-05-20 14:17 ` Mark Rutland
2021-05-20 12:43 ` [PATCH v3 09/18] arm64: Fix comments to refer to correct function __flush_icache_range Fuad Tabba
2021-05-20 14:18 ` Mark Rutland
2021-05-20 12:43 ` [PATCH v3 10/18] arm64: __inval_dcache_area to take end parameter instead of size Fuad Tabba
2021-05-20 15:46 ` Mark Rutland
2021-05-20 12:43 ` [PATCH v3 11/18] arm64: dcache_by_line_op " Fuad Tabba
2021-05-20 15:48 ` Mark Rutland
2021-05-20 12:44 ` [PATCH v3 12/18] arm64: __flush_dcache_area " Fuad Tabba
2021-05-20 16:06 ` Mark Rutland
2021-05-20 12:44 ` [PATCH v3 13/18] arm64: __clean_dcache_area_poc " Fuad Tabba
2021-05-20 16:16 ` Mark Rutland
2021-05-20 12:44 ` [PATCH v3 14/18] arm64: __clean_dcache_area_pop " Fuad Tabba
2021-05-20 16:19 ` Mark Rutland
2021-05-20 12:44 ` [PATCH v3 15/18] arm64: __clean_dcache_area_pou " Fuad Tabba
2021-05-20 16:24 ` Mark Rutland
2021-05-20 12:44 ` [PATCH v3 16/18] arm64: sync_icache_aliases " Fuad Tabba
2021-05-20 16:34 ` Mark Rutland
2021-05-20 12:44 ` [PATCH v3 17/18] arm64: Fix cache maintenance function comments Fuad Tabba
2021-05-20 16:48 ` Mark Rutland
2021-05-20 12:44 ` [PATCH v3 18/18] arm64: Rename arm64-internal cache maintenance functions Fuad Tabba
2021-05-20 17:01 ` Mark Rutland
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