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Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

Pull x86 fixes from Ingo Molnar:
 "A 32-bit build fix, CONFIG_RETPOLINE fixes and rename CONFIG_RESCTRL
  to CONFIG_X86_RESCTRL"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, modpost: Replace last remnants of RETPOLINE with CONFIG_RETPOLINE
  x86/cache: Rename config option to CONFIG_X86_RESCTRL
  samples/seccomp: Fix 32-bit build
This commit is contained in:
Linus Torvalds 2019-01-11 09:07:19 -08:00
parent 8e1b295b69 e4f358916d
commit e8af37f3f4
11 changed files with 13 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/x86/resctrl_ui.txt
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@ -9,7 +9,7 @@ Fenghua Yu <fenghua.yu@intel.com>
Tony Luck <tony.luck@intel.com> Tony Luck <tony.luck@intel.com>
Vikas Shivappa <vikas.shivappa@intel.com> Vikas Shivappa <vikas.shivappa@intel.com>
This feature is enabled by the CONFIG_RESCTRL and the X86 /proc/cpuinfo This feature is enabled by the CONFIG_X86_RESCTRL and the x86 /proc/cpuinfo
flag bits: flag bits:
RDT (Resource Director Technology) Allocation - "rdt_a" RDT (Resource Director Technology) Allocation - "rdt_a"
CAT (Cache Allocation Technology) - "cat_l3", "cat_l2" CAT (Cache Allocation Technology) - "cat_l3", "cat_l2"

2
arch/x86/Kconfig
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@ -446,7 +446,7 @@ config RETPOLINE
branches. Requires a compiler with -mindirect-branch=thunk-extern branches. Requires a compiler with -mindirect-branch=thunk-extern
support for full protection. The kernel may run slower. support for full protection. The kernel may run slower.
config RESCTRL config X86_RESCTRL
bool "Resource Control support" bool "Resource Control support"
depends on X86 && (CPU_SUP_INTEL || CPU_SUP_AMD) depends on X86 && (CPU_SUP_INTEL || CPU_SUP_AMD)
select KERNFS select KERNFS

4
arch/x86/include/asm/resctrl_sched.h
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@ -2,7 +2,7 @@
#ifndef _ASM_X86_RESCTRL_SCHED_H #ifndef _ASM_X86_RESCTRL_SCHED_H
#define _ASM_X86_RESCTRL_SCHED_H #define _ASM_X86_RESCTRL_SCHED_H
#ifdef CONFIG_RESCTRL #ifdef CONFIG_X86_RESCTRL
#include <linux/sched.h> #include <linux/sched.h>
#include <linux/jump_label.h> #include <linux/jump_label.h>
@ -88,6 +88,6 @@ static inline void resctrl_sched_in(void)
static inline void resctrl_sched_in(void) {} static inline void resctrl_sched_in(void) {}
#endif /* CONFIG_RESCTRL */ #endif /* CONFIG_X86_RESCTRL */
#endif /* _ASM_X86_RESCTRL_SCHED_H */ #endif /* _ASM_X86_RESCTRL_SCHED_H */

2
arch/x86/kernel/cpu/Makefile
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@ -39,7 +39,7 @@ obj-$(CONFIG_CPU_SUP_UMC_32) += umc.o
obj-$(CONFIG_X86_MCE) += mce/ obj-$(CONFIG_X86_MCE) += mce/
obj-$(CONFIG_MTRR) += mtrr/ obj-$(CONFIG_MTRR) += mtrr/
obj-$(CONFIG_MICROCODE) += microcode/ obj-$(CONFIG_MICROCODE) += microcode/
obj-$(CONFIG_RESCTRL) += resctrl/ obj-$(CONFIG_X86_RESCTRL) += resctrl/
obj-$(CONFIG_X86_LOCAL_APIC) += perfctr-watchdog.o obj-$(CONFIG_X86_LOCAL_APIC) += perfctr-watchdog.o

2
arch/x86/kernel/cpu/bugs.c
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@ -215,7 +215,7 @@ static enum spectre_v2_mitigation spectre_v2_enabled __ro_after_init =
static enum spectre_v2_user_mitigation spectre_v2_user __ro_after_init = static enum spectre_v2_user_mitigation spectre_v2_user __ro_after_init =
SPECTRE_V2_USER_NONE; SPECTRE_V2_USER_NONE;
#ifdef RETPOLINE #ifdef CONFIG_RETPOLINE
static bool spectre_v2_bad_module; static bool spectre_v2_bad_module;
bool retpoline_module_ok(bool has_retpoline) bool retpoline_module_ok(bool has_retpoline)

4
arch/x86/kernel/cpu/resctrl/Makefile
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@ -1,4 +1,4 @@
# SPDX-License-Identifier: GPL-2.0 # SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_RESCTRL) += core.o rdtgroup.o monitor.o obj-$(CONFIG_X86_RESCTRL) += core.o rdtgroup.o monitor.o
obj-$(CONFIG_RESCTRL) += ctrlmondata.o pseudo_lock.o obj-$(CONFIG_X86_RESCTRL) += ctrlmondata.o pseudo_lock.o
CFLAGS_pseudo_lock.o = -I$(src) CFLAGS_pseudo_lock.o = -I$(src)

2
include/linux/compiler-gcc.h
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@ -68,7 +68,7 @@
*/ */
#define uninitialized_var(x) x = x #define uninitialized_var(x) x = x
#ifdef RETPOLINE #ifdef CONFIG_RETPOLINE
#define __noretpoline __attribute__((__indirect_branch__("keep"))) #define __noretpoline __attribute__((__indirect_branch__("keep")))
#endif #endif

2
include/linux/module.h
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@ -828,7 +828,7 @@ static inline void module_bug_finalize(const Elf_Ehdr *hdr,
static inline void module_bug_cleanup(struct module *mod) {} static inline void module_bug_cleanup(struct module *mod) {}
#endif /* CONFIG_GENERIC_BUG */ #endif /* CONFIG_GENERIC_BUG */
#ifdef RETPOLINE #ifdef CONFIG_RETPOLINE
extern bool retpoline_module_ok(bool has_retpoline); extern bool retpoline_module_ok(bool has_retpoline);
#else #else
static inline bool retpoline_module_ok(bool has_retpoline) static inline bool retpoline_module_ok(bool has_retpoline)

2
include/linux/sched.h
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@ -995,7 +995,7 @@ struct task_struct {
/* cg_list protected by css_set_lock and tsk->alloc_lock: */ /* cg_list protected by css_set_lock and tsk->alloc_lock: */
struct list_head cg_list; struct list_head cg_list;
#endif #endif
#ifdef CONFIG_RESCTRL #ifdef CONFIG_X86_RESCTRL
u32 closid; u32 closid;
u32 rmid; u32 rmid;
#endif #endif

1
samples/seccomp/Makefile
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@ -34,6 +34,7 @@ HOSTCFLAGS_bpf-direct.o += $(MFLAG)
HOSTCFLAGS_dropper.o += $(MFLAG) HOSTCFLAGS_dropper.o += $(MFLAG)
HOSTCFLAGS_bpf-helper.o += $(MFLAG) HOSTCFLAGS_bpf-helper.o += $(MFLAG)
HOSTCFLAGS_bpf-fancy.o += $(MFLAG) HOSTCFLAGS_bpf-fancy.o += $(MFLAG)
HOSTCFLAGS_user-trap.o += $(MFLAG)
HOSTLDLIBS_bpf-direct += $(MFLAG) HOSTLDLIBS_bpf-direct += $(MFLAG)
HOSTLDLIBS_bpf-fancy += $(MFLAG) HOSTLDLIBS_bpf-fancy += $(MFLAG)
HOSTLDLIBS_dropper += $(MFLAG) HOSTLDLIBS_dropper += $(MFLAG)

2
scripts/mod/modpost.c
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@ -2185,7 +2185,7 @@ static void add_intree_flag(struct buffer *b, int is_intree)
/* Cannot check for assembler */ /* Cannot check for assembler */
static void add_retpoline(struct buffer *b) static void add_retpoline(struct buffer *b)
{ {
buf_printf(b, "\n#ifdef RETPOLINE\n"); buf_printf(b, "\n#ifdef CONFIG_RETPOLINE\n");
buf_printf(b, "MODULE_INFO(retpoline, \"Y\");\n"); buf_printf(b, "MODULE_INFO(retpoline, \"Y\");\n");
buf_printf(b, "#endif\n"); buf_printf(b, "#endif\n");
} }