diff options
| author | Michael Ellerman <mpe@ellerman.id.au> | 2020-05-26 22:56:03 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-05-26 22:56:03 +1000 |
| commit | baddc87d6824cda18037881352fe97382fdb0867 (patch) | |
| tree | 7f10a8c28df8136841cae359ded4c321cb1a81ad /arch/powerpc/include/asm | |
| parent | bb5f33c069402035a3d6a2091ee68cac6999d774 (diff) | |
| parent | 595d153dd1022392083ac93a1550382cbee127e0 (diff) | |
Merge branch 'fixes' into next
Merge our fixes branch from this cycle. It contains several important
fixes we need in next for testing purposes, and also some that will
conflict with upcoming changes.
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/32/hash.h | 8 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/book3s/32/kup.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/hw_irq.h | 20 |
3 files changed, 24 insertions, 6 deletions
diff --git a/arch/powerpc/include/asm/book3s/32/hash.h b/arch/powerpc/include/asm/book3s/32/hash.h index 34a7215ae81e..2a0a467d2985 100644 --- a/arch/powerpc/include/asm/book3s/32/hash.h +++ b/arch/powerpc/include/asm/book3s/32/hash.h @@ -17,9 +17,9 @@ * updating the accessed and modified bits in the page table tree. */ -#define _PAGE_USER 0x001 /* usermode access allowed */ -#define _PAGE_RW 0x002 /* software: user write access allowed */ -#define _PAGE_PRESENT 0x004 /* software: pte contains a translation */ +#define _PAGE_PRESENT 0x001 /* software: pte contains a translation */ +#define _PAGE_HASHPTE 0x002 /* hash_page has made an HPTE for this pte */ +#define _PAGE_USER 0x004 /* usermode access allowed */ #define _PAGE_GUARDED 0x008 /* G: prohibit speculative access */ #define _PAGE_COHERENT 0x010 /* M: enforce memory coherence (SMP systems) */ #define _PAGE_NO_CACHE 0x020 /* I: cache inhibit */ @@ -27,7 +27,7 @@ #define _PAGE_DIRTY 0x080 /* C: page changed */ #define _PAGE_ACCESSED 0x100 /* R: page referenced */ #define _PAGE_EXEC 0x200 /* software: exec allowed */ -#define _PAGE_HASHPTE 0x400 /* hash_page has made an HPTE for this pte */ +#define _PAGE_RW 0x400 /* software: user write access allowed */ #define _PAGE_SPECIAL 0x800 /* software: Special page */ #ifdef CONFIG_PTE_64BIT diff --git a/arch/powerpc/include/asm/book3s/32/kup.h b/arch/powerpc/include/asm/book3s/32/kup.h index 1617e73bee30..5a267b7e4971 100644 --- a/arch/powerpc/include/asm/book3s/32/kup.h +++ b/arch/powerpc/include/asm/book3s/32/kup.h @@ -75,7 +75,7 @@ .macro kuap_check current, gpr #ifdef CONFIG_PPC_KUAP_DEBUG - lwz \gpr2, KUAP(thread) + lwz \gpr, KUAP(thread) 999: twnei \gpr, 0 EMIT_BUG_ENTRY 999b, __FILE__, __LINE__, (BUGFLAG_WARNING | BUGFLAG_ONCE) #endif diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index e0e71777961f..3a0db7b0b46e 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -250,9 +250,27 @@ static inline bool arch_irqs_disabled(void) } \ } while(0) +static inline bool __lazy_irq_pending(u8 irq_happened) +{ + return !!(irq_happened & ~PACA_IRQ_HARD_DIS); +} + +/* + * Check if a lazy IRQ is pending. Should be called with IRQs hard disabled. + */ static inline bool lazy_irq_pending(void) { - return !!(get_paca()->irq_happened & ~PACA_IRQ_HARD_DIS); + return __lazy_irq_pending(get_paca()->irq_happened); +} + +/* + * Check if a lazy IRQ is pending, with no debugging checks. + * Should be called with IRQs hard disabled. + * For use in RI disabled code or other constrained situations. + */ +static inline bool lazy_irq_pending_nocheck(void) +{ + return __lazy_irq_pending(local_paca->irq_happened); } /* |