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From: Tony Luck <tony.luck@intel.com>
To: Fenghua Yu <fenghua.yu@intel.com>,
	Reinette Chatre <reinette.chatre@intel.com>,
	Peter Newman <peternewman@google.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Shuah Khan <skhan@linuxfoundation.org>,
	x86@kernel.org
Cc: James Morse <james.morse@arm.com>,
	Jamie Iles <quic_jiles@quicinc.com>,
	Babu Moger <babu.moger@amd.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	"Shaopeng Tan (Fujitsu)" <tan.shaopeng@fujitsu.com>,
	linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
	patches@lists.linux.dev, Tony Luck <tony.luck@intel.com>
Subject: [PATCH v8 4/7] x86/resctrl: Relax checks for mba_MBps mount option
Date: Tue, 29 Oct 2024 10:28:29 -0700	[thread overview]
Message-ID: <20241029172832.93963-5-tony.luck@intel.com> (raw)
In-Reply-To: <20241029172832.93963-1-tony.luck@intel.com>

This option may be used with any memory bandwidth monitoring event.

Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/x86/kernel/cpu/resctrl/rdtgroup.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index dbfb9d11f3f8..5034a3dd0430 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -2345,7 +2345,7 @@ static bool supports_mba_mbps(void)
 	struct rdt_resource *rmbm = &rdt_resources_all[RDT_RESOURCE_L3].r_resctrl;
 	struct rdt_resource *r = &rdt_resources_all[RDT_RESOURCE_MBA].r_resctrl;
 
-	return (is_mbm_local_enabled() &&
+	return (is_mbm_enabled() &&
 		r->alloc_capable && is_mba_linear() &&
 		r->ctrl_scope == rmbm->mon_scope);
 }
@@ -2772,7 +2772,7 @@ static int rdt_parse_param(struct fs_context *fc, struct fs_parameter *param)
 		ctx->enable_cdpl2 = true;
 		return 0;
 	case Opt_mba_mbps:
-		msg = "mba_MBps requires local MBM and linear scale MBA at L3 scope";
+		msg = "mba_MBps requires MBM and linear scale MBA at L3 scope";
 		if (!supports_mba_mbps())
 			return invalfc(fc, msg);
 		ctx->enable_mba_mbps = true;
-- 
2.47.0


  parent reply	other threads:[~2024-10-29 17:28 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-29 17:28 [PATCH v8 0/7] x86/resctrl: mba_MBps enhancement Tony Luck
2024-10-29 17:28 ` [PATCH v8 1/7] x86/resctrl: Prepare for per-ctrl_mon group mba_MBps control Tony Luck
2024-11-01 22:03   ` Fenghua Yu
2024-11-01 22:40     ` Tony Luck
2024-11-12 19:24   ` Reinette Chatre
2024-10-29 17:28 ` [PATCH v8 2/7] x86/resctrl: Compute memory bandwidth for all supported events Tony Luck
2024-11-12 19:25   ` Reinette Chatre
2024-10-29 17:28 ` [PATCH v8 3/7] x86/resctrl: Refactor mbm_update() Tony Luck
2024-11-01 22:08   ` Fenghua Yu
2024-11-01 22:57     ` Tony Luck
2024-11-13 22:25   ` Reinette Chatre
2024-11-13 22:58     ` Tony Luck
2024-11-13 23:58       ` Reinette Chatre
2024-11-14 10:31       ` Peter Newman
2024-11-14 17:20         ` Tony Luck
2024-10-29 17:28 ` Tony Luck [this message]
2024-10-29 17:28 ` [PATCH v8 5/7] x86/resctrl: Add "mba_MBps_event" file to ctrl_mon directories Tony Luck
2024-11-12 22:12   ` Reinette Chatre
2024-11-12 23:42     ` Luck, Tony
2024-11-13  0:20       ` Reinette Chatre
2024-11-13  0:53         ` Luck, Tony
2024-11-13  2:54           ` Reinette Chatre
2024-10-29 17:28 ` [PATCH v8 6/7] x86/resctrl: Add write option to "mba_MBps_event" file Tony Luck
2024-11-01 23:26   ` Fenghua Yu
2024-11-01 23:55     ` Luck, Tony
2024-11-02  0:57       ` Fenghua Yu
2024-11-12 22:00         ` Reinette Chatre
2024-11-12 23:57           ` Luck, Tony
2024-11-13  0:40             ` Reinette Chatre
2024-11-12 22:18   ` Reinette Chatre
2024-10-29 17:28 ` [PATCH v8 7/7] x86/resctrl: Document the new " Tony Luck
2024-11-12 22:25   ` Reinette Chatre

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