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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>,
	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 v9 5/9] x86/resctrl: Relax checks for mba_MBps mount option
Date: Wed, 13 Nov 2024 16:17:07 -0800	[thread overview]
Message-ID: <20241114001712.80315-6-tony.luck@intel.com> (raw)
In-Reply-To: <20241114001712.80315-1-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 a8022bddf9f7..3a89516e6f56 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -2334,7 +2334,7 @@ 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);
 }
@@ -2759,7 +2759,7 @@ 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:[~2024-11-14  0:17 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-14  0:17 [PATCH v9 0/9] x86/resctrl: mba_MBps enhancement Tony Luck
2024-11-14  0:17 ` [PATCH v9 1/9] x86/resctrl: Introduce resctrl_file_fflags_init() to initialize fflags Tony Luck
2024-11-15 16:19   ` Moger, Babu
2024-11-20  0:38   ` Reinette Chatre
2024-11-21 17:21     ` Luck, Tony
2024-11-14  0:17 ` [PATCH v9 2/9] x86/resctrl: Prepare for per-ctrl_mon group mba_MBps control Tony Luck
2024-11-15 16:20   ` Moger, Babu
2024-11-18 23:47     ` Luck, Tony
2024-11-20  1:08   ` Reinette Chatre
2024-11-21 17:33     ` Luck, Tony
2024-11-22 21:33       ` Reinette Chatre
2024-11-14  0:17 ` [PATCH v9 3/9] x86/resctrl: Modify update_mba_bw() to use per ctrl_mon group event Tony Luck
2024-11-15 16:21   ` Moger, Babu
2024-11-19  0:01     ` Luck, Tony
2024-11-19  0:51       ` Reinette Chatre
2024-11-19  1:44         ` Luck, Tony
2024-11-19 17:36           ` Reinette Chatre
2024-11-20  3:39   ` Reinette Chatre
2024-11-14  0:17 ` [PATCH v9 4/9] x86/resctrl: Compute memory bandwidth for all supported events Tony Luck
2024-11-15 13:53   ` Peter Newman
2024-11-15 16:59     ` Luck, Tony
2024-11-20  3:45   ` Reinette Chatre
2024-11-21 17:36     ` Luck, Tony
2024-11-14  0:17 ` Tony Luck [this message]
2024-11-20  3:54   ` [PATCH v9 5/9] x86/resctrl: Relax checks for mba_MBps mount option Reinette Chatre
2024-11-21 17:39     ` Luck, Tony
2024-11-14  0:17 ` [PATCH v9 6/9] x86/resctrl: Add "mba_MBps_event" file to ctrl_mon directories Tony Luck
2024-11-20  4:03   ` Reinette Chatre
2024-11-21 17:42     ` Luck, Tony
2024-11-14  0:17 ` [PATCH v9 7/9] x86/resctrl: Add write option to "mba_MBps_event" file Tony Luck
2024-11-14  0:17 ` [PATCH v9 8/9] x86/resctrl: Make mba_sc use total bandwidth if local is not supported Tony Luck
2024-11-14  0:17 ` [PATCH v9 9/9] x86/resctrl: Document the new "mba_MBps_event" file Tony Luck

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