Commit-ID: 6fe07ce35e8ad870ba1cf82e0481e0fc0f526eff Gitweb: https://git.kernel.org/tip/6fe07ce35e8ad870ba1cf82e0481e0fc0f526eff Author: Babu Moger <Babu.Moger@xxxxxxx> AuthorDate: Wed, 21 Nov 2018 20:28:39 +0000 Committer: Borislav Petkov <bp@xxxxxxx> CommitDate: Thu, 22 Nov 2018 20:16:19 +0100 x86/resctrl: Rename the config option INTEL_RDT to RESCTRL The resource control feature is supported by both Intel and AMD. So, rename CONFIG_INTEL_RDT to the vendor-neutral CONFIG_RESCTRL. Now CONFIG_RESCTRL will be used for both Intel and AMD to enable Resource Control support. Update the texts in config and condition accordingly. [ bp: Simplify Kconfig text. ] Signed-off-by: Babu Moger <babu.moger@xxxxxxx> Signed-off-by: Borislav Petkov <bp@xxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Andy Lutomirski <luto@xxxxxxxxxx> Cc: Arnd Bergmann <arnd@xxxxxxxx> Cc: Brijesh Singh <brijesh.singh@xxxxxxx> Cc: "Chang S. Bae" <chang.seok.bae@xxxxxxxxx> Cc: David Miller <davem@xxxxxxxxxxxxx> Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx> Cc: Dmitry Safonov <dima@xxxxxxxxxx> Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Jann Horn <jannh@xxxxxxxxxx> Cc: Joerg Roedel <jroedel@xxxxxxx> Cc: Jonathan Corbet <corbet@xxxxxxx> Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> Cc: Kate Stewart <kstewart@xxxxxxxxxxxxxxxxxxx> Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> Cc: <linux-doc@xxxxxxxxxxxxxxx> Cc: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Philippe Ombredanne <pombredanne@xxxxxxxx> Cc: Pu Wen <puwen@xxxxxxxx> Cc: <qianyue.zj@xxxxxxxxxxxxxxx> Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx> Cc: Reinette Chatre <reinette.chatre@xxxxxxxxx> Cc: Rian Hunter <rian@xxxxxxxxxxxx> Cc: Sherry Hurwitz <sherry.hurwitz@xxxxxxx> Cc: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Thomas Lendacky <Thomas.Lendacky@xxxxxxx> Cc: Tony Luck <tony.luck@xxxxxxxxx> Cc: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> Cc: <xiaochen.shen@xxxxxxxxx> Link: https://lkml.kernel.org/r/20181121202811.4492-9-babu.moger@xxxxxxx --- arch/x86/Kconfig | 22 +++++++++++++++------- arch/x86/include/asm/resctrl_sched.h | 4 ++-- arch/x86/kernel/cpu/Makefile | 2 +- arch/x86/kernel/cpu/resctrl/Makefile | 4 ++-- include/linux/sched.h | 2 +- 5 files changed, 21 insertions(+), 13 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 9d734f3c8234..2d0577e805d2 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -448,15 +448,23 @@ config RETPOLINE code are eliminated. Since this includes the syscall entry path, it is not entirely pointless. -config INTEL_RDT - bool "Intel Resource Director Technology support" - depends on X86 && CPU_SUP_INTEL +config RESCTRL + bool "Resource Control support" + depends on X86 && (CPU_SUP_INTEL || CPU_SUP_AMD) select KERNFS help - Select to enable resource allocation and monitoring which are - sub-features of Intel Resource Director Technology(RDT). More - information about RDT can be found in the Intel x86 - Architecture Software Developer Manual. + Enable Resource Control support. + + Provide support for the allocation and monitoring of system resources + usage by the CPU. + + Intel calls this Intel Resource Director Technology + (Intel(R) RDT). More information about RDT can be found in the + Intel x86 Architecture Software Developer Manual. + + AMD calls this AMD Platform Quality of Service (AMD QoS). + More information about AMD QoS can be found in the AMD64 Technology + Platform Quality of Service Extensions manual. Say N if unsure. diff --git a/arch/x86/include/asm/resctrl_sched.h b/arch/x86/include/asm/resctrl_sched.h index 6e082697a613..54990fe2a3ae 100644 --- a/arch/x86/include/asm/resctrl_sched.h +++ b/arch/x86/include/asm/resctrl_sched.h @@ -2,7 +2,7 @@ #ifndef _ASM_X86_RESCTRL_SCHED_H #define _ASM_X86_RESCTRL_SCHED_H -#ifdef CONFIG_INTEL_RDT +#ifdef CONFIG_RESCTRL #include <linux/sched.h> #include <linux/jump_label.h> @@ -88,6 +88,6 @@ static inline void resctrl_sched_in(void) static inline void resctrl_sched_in(void) {} -#endif /* CONFIG_INTEL_RDT */ +#endif /* CONFIG_RESCTRL */ #endif /* _ASM_X86_RESCTRL_SCHED_H */ diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile index 8501d16dd642..dc4acaa1549d 100644 --- a/arch/x86/kernel/cpu/Makefile +++ b/arch/x86/kernel/cpu/Makefile @@ -39,7 +39,7 @@ obj-$(CONFIG_CPU_SUP_UMC_32) += umc.o obj-$(CONFIG_X86_MCE) += mcheck/ obj-$(CONFIG_MTRR) += mtrr/ obj-$(CONFIG_MICROCODE) += microcode/ -obj-$(CONFIG_INTEL_RDT) += resctrl/ +obj-$(CONFIG_RESCTRL) += resctrl/ obj-$(CONFIG_X86_LOCAL_APIC) += perfctr-watchdog.o diff --git a/arch/x86/kernel/cpu/resctrl/Makefile b/arch/x86/kernel/cpu/resctrl/Makefile index fa3cb91d7849..6895049ceef7 100644 --- a/arch/x86/kernel/cpu/resctrl/Makefile +++ b/arch/x86/kernel/cpu/resctrl/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -obj-$(CONFIG_INTEL_RDT) += core.o rdtgroup.o monitor.o -obj-$(CONFIG_INTEL_RDT) += ctrlmondata.o pseudo_lock.o +obj-$(CONFIG_RESCTRL) += core.o rdtgroup.o monitor.o +obj-$(CONFIG_RESCTRL) += ctrlmondata.o pseudo_lock.o CFLAGS_pseudo_lock.o = -I$(src) diff --git a/include/linux/sched.h b/include/linux/sched.h index a51c13c2b1a0..7952dfba2c76 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -993,7 +993,7 @@ struct task_struct { /* cg_list protected by css_set_lock and tsk->alloc_lock: */ struct list_head cg_list; #endif -#ifdef CONFIG_INTEL_RDT +#ifdef CONFIG_RESCTRL u32 closid; u32 rmid; #endif
