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| author | Mark Brown <broonie@kernel.org> | 2021-10-29 22:00:00 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-10-29 22:00:00 +0100 |
| commit | 318a54c0ee4aaa3bfd69fdf505588510c7672c0c (patch) | |
| tree | fcd342658639851179ab88c0eb317e83b586eb71 /arch/m68k/mm/cache.c | |
| parent | 8e14329645bc7d722e1ec913025b54199fafaee3 (diff) | |
| parent | 6195eb15f6d60dd92d1644dc11f1c1c2e84ebfeb (diff) | |
Merge remote-tracking branch 'asoc/for-5.16' into asoc-next
Diffstat (limited to 'arch/m68k/mm/cache.c')
| -rw-r--r-- | arch/m68k/mm/cache.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/arch/m68k/mm/cache.c b/arch/m68k/mm/cache.c index b486c0889eec..dde978e66f14 100644 --- a/arch/m68k/mm/cache.c +++ b/arch/m68k/mm/cache.c @@ -49,24 +49,7 @@ static unsigned long virt_to_phys_slow(unsigned long vaddr) if (mmusr & MMU_R_040) return (mmusr & PAGE_MASK) | (vaddr & ~PAGE_MASK); } else { - unsigned short mmusr; - unsigned long *descaddr; - - asm volatile ("ptestr %3,%2@,#7,%0\n\t" - "pmove %%psr,%1" - : "=a&" (descaddr), "=m" (mmusr) - : "a" (vaddr), "d" (get_fs().seg)); - if (mmusr & (MMU_I|MMU_B|MMU_L)) - return 0; - descaddr = phys_to_virt((unsigned long)descaddr); - switch (mmusr & MMU_NUM) { - case 1: - return (*descaddr & 0xfe000000) | (vaddr & 0x01ffffff); - case 2: - return (*descaddr & 0xfffc0000) | (vaddr & 0x0003ffff); - case 3: - return (*descaddr & PAGE_MASK) | (vaddr & ~PAGE_MASK); - } + WARN_ON_ONCE(!CPU_IS_040_OR_060); } return 0; } @@ -107,11 +90,9 @@ void flush_icache_user_range(unsigned long address, unsigned long endaddr) void flush_icache_range(unsigned long address, unsigned long endaddr) { - mm_segment_t old_fs = get_fs(); - - set_fs(KERNEL_DS); + set_fc(SUPER_DATA); flush_icache_user_range(address, endaddr); - set_fs(old_fs); + set_fc(USER_DATA); } EXPORT_SYMBOL(flush_icache_range); |