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Tue, 11 May 2021 16:07:29 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7FF0260C41; Tue, 11 May 2021 16:07:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620749247; bh=Nns/hq0hsxvOL0FMEyCyxSbSuPH4o9rv7UDn5xNFrww=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=efe9/F8BGF0BSFo89T/0blW9gHRfyuFRBWCGy1F9RXuw+bXaQKJL2woZb3fQ9d2Y4 YwO9U15Rm8lqFgljk/nYwo/GrCKC7ayqDZFOVNlU4l6lpY3QopiXIyCP4Yz3qeSabb GF14RRvUntRcWbY7fsuquSsnq2HQ+t6zu0aQB9JKO56aNJoTsIuOA4pfqCkEKHahlw ZMj9D2ckHDAupPnVdQSaXqMh8jCXlHXrYNhszanIAq4gOzvtTwNbePtd3PmfaQizJQ 19N7P0rQMIu5vNEybS+aceRBOGJU3CmewOHU+jCTI0O0vzQeMGNr+rT2a9mQghoQmx 3W7L3cbqo8oQg== From: Mark Brown To: Catalin Marinas , Will Deacon Cc: Dave Martin , linux-arm-kernel@lists.infradead.org, Mark Brown Subject: [PATCH v2 1/3] arm64/sve: Split _sve_flush macro into separate Z and predicate flushes Date: Tue, 11 May 2021 17:04:44 +0100 Message-Id: <20210511160446.42871-2-broonie@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210511160446.42871-1-broonie@kernel.org> References: <20210511160446.42871-1-broonie@kernel.org> MIME-Version: 1.0 X-Patch-Hashes: v=1; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Trivial refactoring to support further work, no change to generated code. Signed-off-by: Mark Brown --- arch/arm64/include/asm/fpsimdmacros.h | 4 +++- arch/arm64/kernel/entry-fpsimd.S | 3 ++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/arm64/include/asm/fpsimdmacros.h b/arch/arm64/include/asm/fpsimdmacros.h index a2563992d2dc..059204477ce6 100644 --- a/arch/arm64/include/asm/fpsimdmacros.h +++ b/arch/arm64/include/asm/fpsimdmacros.h @@ -213,8 +213,10 @@ mov v\nz\().16b, v\nz\().16b .endm -.macro sve_flush +.macro sve_flush_z _for n, 0, 31, _sve_flush_z \n +.endm +.macro sve_flush_p_ffr _for n, 0, 15, _sve_pfalse \n _sve_wrffr 0 .endm diff --git a/arch/arm64/kernel/entry-fpsimd.S b/arch/arm64/kernel/entry-fpsimd.S index 3ecec60d3295..7921d58427c2 100644 --- a/arch/arm64/kernel/entry-fpsimd.S +++ b/arch/arm64/kernel/entry-fpsimd.S @@ -72,7 +72,8 @@ SYM_FUNC_END(sve_load_from_fpsimd_state) /* Zero all SVE registers but the first 128-bits of each vector */ SYM_FUNC_START(sve_flush_live) - sve_flush + sve_flush_z + sve_flush_p_ffr ret SYM_FUNC_END(sve_flush_live) -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel