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
next prev 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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