diff options
| author | Jens Axboe <axboe@kernel.dk> | 2018-02-05 12:55:38 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-02-05 12:55:38 -0700 |
| commit | 9e05c864993c5442227f83ae1694a737d7a102ed (patch) | |
| tree | e35b60bb3c0c179f147e9acaad5444f1e5d9117e /arch/powerpc/include/asm/book3s/64/tlbflush.h | |
| parent | 3c15f3f545afa320c5e3822825a9a53c664776b6 (diff) | |
| parent | 35277995e17919ab838beae765f440674e8576eb (diff) | |
Merge branch 'master' into test
* master: (688 commits)
dt-bindings: mailbox: qcom: Document the APCS clock binding
mailbox: qcom: Create APCS child device for clock controller
mailbox: qcom: Convert APCS IPC driver to use regmap
KVM/SVM: Allow direct access to MSR_IA32_SPEC_CTRL
KVM/VMX: Allow direct access to MSR_IA32_SPEC_CTRL
KVM/VMX: Emulate MSR_IA32_ARCH_CAPABILITIES
KVM/x86: Add IBPB support
KVM/x86: Update the reverse_cpuid list to include CPUID_7_EDX
pinctrl: remove include file from <linux/device.h>
firmware: dmi: handle missing DMI data gracefully
firmware: dmi_scan: Fix handling of empty DMI strings
firmware: dmi_scan: Drop dmi_initialized
firmware: dmi: Optimize dmi_matches
Revert "defer call to mem_cgroup_sk_alloc()"
soreuseport: fix mem leak in reuseport_add_sock()
net: qlge: use memmove instead of skb_copy_to_linear_data
net: qed: use correct strncpy() size
net: cxgb4: avoid memcpy beyond end of source buffer
cls_u32: add missing RCU annotation.
r8152: set rx mode early when linking on
...
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/tlbflush.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/tlbflush.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h index 58b576f654b3..0cac17253513 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h @@ -8,6 +8,44 @@ #include <asm/book3s/64/tlbflush-hash.h> #include <asm/book3s/64/tlbflush-radix.h> +/* TLB flush actions. Used as argument to tlbiel_all() */ +enum { + TLB_INVAL_SCOPE_GLOBAL = 0, /* invalidate all TLBs */ + TLB_INVAL_SCOPE_LPID = 1, /* invalidate TLBs for current LPID */ +}; + +#ifdef CONFIG_PPC_NATIVE +static inline void tlbiel_all(void) +{ + /* + * This is used for host machine check and bootup. + * + * This uses early_radix_enabled and implementations use + * early_cpu_has_feature etc because that works early in boot + * and this is the machine check path which is not performance + * critical. + */ + if (early_radix_enabled()) + radix__tlbiel_all(TLB_INVAL_SCOPE_GLOBAL); + else + hash__tlbiel_all(TLB_INVAL_SCOPE_GLOBAL); +} +#else +static inline void tlbiel_all(void) { BUG(); }; +#endif + +static inline void tlbiel_all_lpid(bool radix) +{ + /* + * This is used for guest machine check. + */ + if (radix) + radix__tlbiel_all(TLB_INVAL_SCOPE_LPID); + else + hash__tlbiel_all(TLB_INVAL_SCOPE_LPID); +} + + #define __HAVE_ARCH_FLUSH_PMD_TLB_RANGE static inline void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) |