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
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-Id: <20240419071019.1103953-1-rui.zhang@intel.com>
Date: Fri, 19 Apr 2024 15:10:17 +0800
From: Zhang Rui <rui.zhang@...el.com>
To: peterz@...radead.org
Cc: mingo@...hat.com,
	tglx@...utronix.de,
	bp@...en8.de,
	dave.hansen@...ux.intel.com,
	x86@...nel.org,
	linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	ak@...ux.intel.com,
	kan.liang@...ux.intel.com
Subject: [PATCH 1/3] perf/x86/intel/cstate: Fix Alderlake/Raptorlake/Meteorlake

The spec changes after the patch submitted and PC7/PC9 are removed from
Alderlake and later client platforms.

Remove PC7/PC9 support in cstate PMU.

Fixes: d0ca946bcf84 ("perf/x86/cstate: Add Alder Lake CPU support")
Signed-off-by: Zhang Rui <rui.zhang@...el.com>
---
 arch/x86/events/intel/cstate.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index 326c8cd5aa2d..b304430ba64a 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -81,7 +81,7 @@
  *	MSR_PKG_C7_RESIDENCY:  Package C7 Residency Counter.
  *			       perf code: 0x03
  *			       Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,CNL,
- *						KBL,CML,ICL,TGL,RKL,ADL,RPL,MTL
+ *						KBL,CML,ICL,TGL,RKL
  *			       Scope: Package (physical package)
  *	MSR_PKG_C8_RESIDENCY:  Package C8 Residency Counter.
  *			       perf code: 0x04
@@ -90,8 +90,7 @@
  *			       Scope: Package (physical package)
  *	MSR_PKG_C9_RESIDENCY:  Package C9 Residency Counter.
  *			       perf code: 0x05
- *			       Available model: HSW ULT,KBL,CNL,CML,ICL,TGL,RKL,
- *						ADL,RPL,MTL
+ *			       Available model: HSW ULT,KBL,CNL,CML,ICL,TGL,RKL
  *			       Scope: Package (physical package)
  *	MSR_PKG_C10_RESIDENCY: Package C10 Residency Counter.
  *			       perf code: 0x06
@@ -642,9 +641,7 @@ static const struct cstate_model adl_cstates __initconst = {
 	.pkg_events		= BIT(PERF_CSTATE_PKG_C2_RES) |
 				  BIT(PERF_CSTATE_PKG_C3_RES) |
 				  BIT(PERF_CSTATE_PKG_C6_RES) |
-				  BIT(PERF_CSTATE_PKG_C7_RES) |
 				  BIT(PERF_CSTATE_PKG_C8_RES) |
-				  BIT(PERF_CSTATE_PKG_C9_RES) |
 				  BIT(PERF_CSTATE_PKG_C10_RES),
 };
 
-- 
2.34.1


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ