lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 1 Dec 2022 09:36:26 -0600 From: Babu Moger <babu.moger@....com> To: <corbet@....net>, <reinette.chatre@...el.com>, <tglx@...utronix.de>, <mingo@...hat.com>, <bp@...en8.de> CC: <fenghua.yu@...el.com>, <dave.hansen@...ux.intel.com>, <x86@...nel.org>, <hpa@...or.com>, <paulmck@...nel.org>, <akpm@...ux-foundation.org>, <quic_neeraju@...cinc.com>, <rdunlap@...radead.org>, <damien.lemoal@...nsource.wdc.com>, <songmuchun@...edance.com>, <peterz@...radead.org>, <jpoimboe@...nel.org>, <pbonzini@...hat.com>, <babu.moger@....com>, <chang.seok.bae@...el.com>, <pawan.kumar.gupta@...ux.intel.com>, <jmattson@...gle.com>, <daniel.sneddon@...ux.intel.com>, <sandipan.das@....com>, <tony.luck@...el.com>, <james.morse@....com>, <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <bagasdotme@...il.com>, <eranian@...gle.com>, <christophe.leroy@...roup.eu>, <pawan.kumar.gupta@...ux.intel.com>, <jarkko@...nel.org>, <adrian.hunter@...el.com>, <quic_jiles@...cinc.com>, <peternewman@...gle.com> Subject: [PATCH v9 04/13] x86/resctrl: Include new features in command line options Add the command line options to enable or disable the new resctrl features. smba : Slow Memory Bandwidth Allocation bmec : Bandwidth Monitor Event Configuration. Signed-off-by: Babu Moger <babu.moger@....com> --- Documentation/admin-guide/kernel-parameters.txt | 2 +- arch/x86/kernel/cpu/resctrl/core.c | 4 ++++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 42af9ca0127e..a7b6634f4426 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5190,7 +5190,7 @@ rdt= [HW,X86,RDT] Turn on/off individual RDT features. List is: cmt, mbmtotal, mbmlocal, l3cat, l3cdp, l2cat, l2cdp, - mba. + mba, smba, bmec. E.g. to turn on cmt and turn off mba use: rdt=cmt,!mba diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index f6af3ac1ef20..10a8c9d96f32 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -659,6 +659,8 @@ enum { RDT_FLAG_L2_CAT, RDT_FLAG_L2_CDP, RDT_FLAG_MBA, + RDT_FLAG_SMBA, + RDT_FLAG_BMEC, }; #define RDT_OPT(idx, n, f) \ @@ -682,6 +684,8 @@ static struct rdt_options rdt_options[] __initdata = { RDT_OPT(RDT_FLAG_L2_CAT, "l2cat", X86_FEATURE_CAT_L2), RDT_OPT(RDT_FLAG_L2_CDP, "l2cdp", X86_FEATURE_CDP_L2), RDT_OPT(RDT_FLAG_MBA, "mba", X86_FEATURE_MBA), + RDT_OPT(RDT_FLAG_SMBA, "smba", X86_FEATURE_SMBA), + RDT_OPT(RDT_FLAG_BMEC, "bmec", X86_FEATURE_BMEC), }; #define NUM_RDT_OPTIONS ARRAY_SIZE(rdt_options)
Powered by blists - more mailing lists