[v1,04/38] arm64/sve: Rename find_supported_vector_length()

Message ID	20210930181144.10029-5-broonie@kernel.org
State	Accepted
Commit	059613f546b67423a5b49cb6e6fa8b72fbaa4e0b
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: domain of linux-kselftest-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; From: Mark Brown <broonie@kernel.org> To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Shuah Khan <skhan@linuxfoundation.org>, Shuah Khan <shuah@kernel.org> Cc: Alan Hayward <alan.hayward@arm.com>, Luis Machado <luis.machado@arm.com>, Salil Akerkar <Salil.Akerkar@arm.com>, Basant Kumar Dwivedi <Basant.KumarDwivedi@arm.com>, Szabolcs Nagy <szabolcs.nagy@arm.com>, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Mark Brown <broonie@kernel.org> Subject: [PATCH v1 04/38] arm64/sve: Rename find_supported_vector_length() Date: Thu, 30 Sep 2021 19:11:10 +0100 Message-Id: <20210930181144.10029-5-broonie@kernel.org> In-Reply-To: <20210930181144.10029-1-broonie@kernel.org> References: <20210930181144.10029-1-broonie@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	arm64/sme: Initial support for the Scalable Matrix Extension \| expand [v1,00/38] arm64/sme: Initial support for the Scalable Matrix Extension [v1,01/38] arm64/fp: Reindent fpsimd_save() [v1,02/38] arm64/sve: Remove sve_load_from_fpsimd_state() [v1,03/38] arm64/sve: Make access to FFR optional [v1,04/38] arm64/sve: Rename find_supported_vector_length() [v1,05/38] arm64/sve: Use accessor functions for vector lengths in thread_struct [v1,06/38] arm64/sve: Put system wide vector length information into structs [v1,07/38] arm64/sve: Explicitly load vector length when restoring SVE state [v1,08/38] arm64/sve: Track vector lengths for tasks in an array [v1,09/38] arm64/sve: Make sysctl interface for SVE reusable by SME [v1,10/38] arm64/sve: Generalise vector length configuration prctl() for SME [v1,11/38] selftests: arm64: Parameterise ptrace vector length information [v1,12/38] arm64/sme: Provide ABI documentation for SME [v1,13/38] arm64/sme: System register and exception syndrome definitions [v1,14/38] arm64/sme: Define macros for manually encoding SME instructions [v1,15/38] arm64/sme: Early CPU setup for SME [v1,16/38] arm64/sme: Basic enumeration support [v1,17/38] arm64/sme: Identify supported SME vector lengths at boot [v1,18/38] arm64/sme: Implement sysctl to set the default vector length [v1,19/38] arm64/sme: Implement vector length configuration prctl()s [v1,20/38] arm64/sme: Implement support for TPIDR2 [v1,21/38] arm64/sme: Implement SVCR context switching [v1,22/38] arm64/sme: Implement streaming SVE context switching [v1,23/38] arm64/sme: Implement ZA context switching [v1,24/38] arm64/sme: Implement traps and syscall handling for SME [v1,25/38] arm64/sme: Implement streaming SVE signal handling [v1,26/38] arm64/sme: Implement ZA signal handling [v1,27/38] arm64/sme: Implement ptrace support for streaming mode SVE registers [v1,28/38] arm64/sme: Add ptrace support for ZA [v1,29/38] arm64/sme: Disable streaming mode and ZA when flushing CPU state [v1,30/38] arm64/sme: Save and restore streaming mode over EFI runtime calls [v1,31/38] arm64/sme: Provide Kconfig for SME [v1,32/38] kselftest/arm64: Add tests for TPIDR2 [v1,33/38] kselftest/arm64: Extend vector configuration API tests to cover SME [v1,34/38] kselftest/arm64: sme: Provide streaming mode SVE stress test [v1,35/38] kselftest/arm64: Add stress test for SME ZA context switching [v1,36/38] kselftest/arm64: signal: Add SME signal handling tests [v1,37/38] selftests: arm64: Add streaming SVE to SVE ptrace tests [v1,38/38] selftests: arm64: Add coverage for the ZA ptrace interface

Message ID

20210930181144.10029-5-broonie@kernel.org

State

Accepted

Commit

059613f546b67423a5b49cb6e6fa8b72fbaa4e0b

Headers

Received-SPF: pass (google.com: domain of
	linux-kselftest-owner@vger.kernel.org designates 23.128.96.18
	as permitted sender) client-ip=23.128.96.18; 
From: Mark Brown <broonie@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>,
	Shuah Khan <skhan@linuxfoundation.org>, Shuah Khan <shuah@kernel.org>
Cc: Alan Hayward <alan.hayward@arm.com>, Luis Machado <luis.machado@arm.com>,
	Salil Akerkar <Salil.Akerkar@arm.com>,
	Basant Kumar Dwivedi <Basant.KumarDwivedi@arm.com>,
	Szabolcs Nagy <szabolcs.nagy@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-kselftest@vger.kernel.org, Mark Brown <broonie@kernel.org>
Subject: [PATCH v1 04/38] arm64/sve: Rename find_supported_vector_length()
Date: Thu, 30 Sep 2021 19:11:10 +0100
Message-Id: <20210930181144.10029-5-broonie@kernel.org>
In-Reply-To: <20210930181144.10029-1-broonie@kernel.org>
References: <20210930181144.10029-1-broonie@kernel.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Series

arm64/sme: Initial support for the Scalable Matrix Extension | expand

Commit Message

Mark Brown Sept. 30, 2021, 6:11 p.m. UTC

The function has SVE specific checks in it and it will be more trouble
to add conditional code for SME than it is to simply rename it to be SVE
specific.

Signed-off-by: Mark Brown <broonie@kernel.org>
---
 arch/arm64/kernel/fpsimd.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

-- 
2.20.1

diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 3465d3328e44..dff71c041e85 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -337,7 +337,7 @@  static void fpsimd_save(void)
  * If things go wrong there's a bug somewhere, but try to fall back to a
  * safe choice.
  */
-static unsigned int find_supported_vector_length(unsigned int vl)
+static unsigned int find_supported_sve_vector_length(unsigned int vl)
 {
 	int bit;
 	int max_vl = sve_max_vl;
@@ -379,7 +379,7 @@  static int sve_proc_do_default_vl(struct ctl_table *table, int write,
 	if (!sve_vl_valid(vl))
 		return -EINVAL;
 
-	set_sve_default_vl(find_supported_vector_length(vl));
+	set_sve_default_vl(find_supported_sve_vector_length(vl));
 	return 0;
 }
 
@@ -598,7 +598,7 @@  int sve_set_vector_length(struct task_struct *task,
 	if (vl > SVE_VL_ARCH_MAX)
 		vl = SVE_VL_ARCH_MAX;
 
-	vl = find_supported_vector_length(vl);
+	vl = find_supported_sve_vector_length(vl);
 
 	if (flags & (PR_SVE_VL_INHERIT |
 		     PR_SVE_SET_VL_ONEXEC))
@@ -873,14 +873,14 @@  void __init sve_setup(void)
 	 * Sanity-check that the max VL we determined through CPU features
 	 * corresponds properly to sve_vq_map.  If not, do our best:
 	 */
-	if (WARN_ON(sve_max_vl != find_supported_vector_length(sve_max_vl)))
-		sve_max_vl = find_supported_vector_length(sve_max_vl);
+	if (WARN_ON(sve_max_vl != find_supported_sve_vector_length(sve_max_vl)))
+		sve_max_vl = find_supported_sve_vector_length(sve_max_vl);
 
 	/*
 	 * For the default VL, pick the maximum supported value <= 64.
 	 * VL == 64 is guaranteed not to grow the signal frame.
 	 */
-	set_sve_default_vl(find_supported_vector_length(64));
+	set_sve_default_vl(find_supported_sve_vector_length(64));
 
 	bitmap_andnot(tmp_map, sve_vq_partial_map, sve_vq_map,
 		      SVE_VQ_MAX);
@@ -1066,7 +1066,7 @@  void fpsimd_flush_thread(void)
 		if (WARN_ON(!sve_vl_valid(vl)))
 			vl = SVE_VL_MIN;
 
-		supported_vl = find_supported_vector_length(vl);
+		supported_vl = find_supported_sve_vector_length(vl);
 		if (WARN_ON(supported_vl != vl))
 			vl = supported_vl;

[v1,04/38] arm64/sve: Rename find_supported_vector_length()

Commit Message

Patch