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| author | Michael Neuling <mikey@neuling.org> | 2015-10-28 04:54:06 (GMT) |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-12-19 11:13:12 (GMT) |
| commit | c395465da68bfc3a238d5bc15f862e33e6e9ecec (patch) | |
| tree | 0d337e9be2ae4a34b8ccd9314c5265499746ff33 /arch/powerpc/include/asm | |
| parent | 1b855e167b90fcb353977c08932d0a52eb8ae5b9 (diff) | |
| download | linux-c395465da68bfc3a238d5bc15f862e33e6e9ecec.tar.xz | |
powerpc: Add function to copy mm_context_t to the paca
This adds a function to copy the mm->context to the paca. This is
only a basic conversion for now but will be used more extensively in
the next patch.
This also adds #ifdef CONFIG_PPC_BOOK3S around this code since it's
not used elsewhere.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/paca.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index 70bd438..1cc6e08 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -131,7 +131,9 @@ struct paca_struct { struct tlb_core_data tcd; #endif /* CONFIG_PPC_BOOK3E */ +#ifdef CONFIG_PPC_BOOK3S mm_context_t context; +#endif /* * then miscellaneous read-write fields @@ -194,6 +196,15 @@ struct paca_struct { #endif }; +#ifdef CONFIG_PPC_BOOK3S +static inline void copy_mm_to_paca(mm_context_t *context) +{ + get_paca()->context = *context; +} +#else +static inline void copy_mm_to_paca(mm_context_t *context){} +#endif + extern struct paca_struct *paca; extern void initialise_paca(struct paca_struct *new_paca, int cpu); extern void setup_paca(struct paca_struct *new_paca); |