mirror of
https://github.com/torvalds/linux
synced 2024-09-21 03:28:37 +00:00
cfd9d70a85
ARC700 exception (and intr handling) didn't have auto stack switching thus had to rely on stashing a reg temporarily (to free it up) at a known place in memory, allowing to code up the low level stack switching. This however was not re-entrant in SMP which thus had to repurpose the per-cpu MMU SCRATCH DATA register otherwise used to "cache" the task pdg pointer (vs. reading it from mm struct) The newer HS cores do have auto-stack switching and thus even SMP builds can use the MMU SCRATCH reg as originally intended. This patch fixes the restriction to ARC700 SMP builds only Signed-off-by: Vineet Gupta <vgupta@synopsys.com> |
||
---|---|---|
.. | ||
cache.c | ||
dma.c | ||
extable.c | ||
fault.c | ||
highmem.c | ||
init.c | ||
ioremap.c | ||
Makefile | ||
mmap.c | ||
tlb.c | ||
tlbex.S |