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| author | Ingo Molnar | 2016-07-07 10:35:28 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2016-07-07 10:35:28 +0200 |
| commit | 4b4b20852d1009c5e8bc357b22353b62e3a241c7 (patch) | |
| tree | 1026418471fe10c5b9f2fdff8a6b49bf070938fc /arch/powerpc/include/asm/book3s/64/radix.h | |
| parent | tick/broadcast-hrtimer: Set name of the ce_broadcast_hrtimer (diff) | |
| parent | timers: Implement optimization for same expiry time in mod_timer() (diff) | |
| download | kernel-qcow2-linux-4b4b20852d1009c5e8bc357b22353b62e3a241c7.tar.gz kernel-qcow2-linux-4b4b20852d1009c5e8bc357b22353b62e3a241c7.tar.xz kernel-qcow2-linux-4b4b20852d1009c5e8bc357b22353b62e3a241c7.zip | |
Merge branch 'timers/fast-wheel' into timers/core
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/radix.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/radix.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/radix.h b/arch/powerpc/include/asm/book3s/64/radix.h index 937d4e247ac3..df294224e280 100644 --- a/arch/powerpc/include/asm/book3s/64/radix.h +++ b/arch/powerpc/include/asm/book3s/64/radix.h @@ -228,5 +228,20 @@ extern void radix__vmemmap_remove_mapping(unsigned long start, extern int radix__map_kernel_page(unsigned long ea, unsigned long pa, pgprot_t flags, unsigned int psz); + +static inline unsigned long radix__get_tree_size(void) +{ + unsigned long rts_field; + /* + * we support 52 bits, hence 52-31 = 21, 0b10101 + * RTS encoding details + * bits 0 - 3 of rts -> bits 6 - 8 unsigned long + * bits 4 - 5 of rts -> bits 62 - 63 of unsigned long + */ + rts_field = (0x5UL << 5); /* 6 - 8 bits */ + rts_field |= (0x2UL << 61); + + return rts_field; +} #endif /* __ASSEMBLY__ */ #endif |