5642530651
The trick is that we do the kernel linear mapping TLB miss starting with an instruction sequence like this: ba,pt %xcc, kvmap_load xor %g2, %g4, %g5 succeeded by an instruction sequence which performs a full page table walk starting at swapper_pg_dir. We first take over the trap table from the firmware. Then, using this constant PTE generation for the linear mapping area above, we build the kernel page tables for the linear mapping. After this is setup, we patch that branch above into a "nop", which will cause TLB misses to fall through to the full page table walk. With this, the page unmapping for CONFIG_DEBUG_PAGEALLOC is trivial. Signed-off-by: David S. Miller <davem@davemloft.net> |
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| .. | ||
| a.out.h | ||
| agp.h | ||
| apb.h | ||
| asi.h | ||
| atomic.h | ||
| audioio.h | ||
| auxio.h | ||
| auxvec.h | ||
| bbc.h | ||
| bitops.h | ||
| bpp.h | ||
| bsderrno.h | ||
| bug.h | ||
| bugs.h | ||
| byteorder.h | ||
| cache.h | ||
| cacheflush.h | ||
| chafsr.h | ||
| checksum.h | ||
| chmctrl.h | ||
| cmt.h | ||
| compat.h | ||
| const.h | ||
| cpudata.h | ||
| cputime.h | ||
| current.h | ||
| dcr.h | ||
| dcu.h | ||
| delay.h | ||
| display7seg.h | ||
| div64.h | ||
| dma-mapping.h | ||
| dma.h | ||
| ebus.h | ||
| elf.h | ||
| emergency-restart.h | ||
| envctrl.h | ||
| errno.h | ||
| estate.h | ||
| fbio.h | ||
| fcntl.h | ||
| fhc.h | ||
| floppy.h | ||
| fpumacro.h | ||
| futex.h | ||
| hardirq.h | ||
| head.h | ||
| hw_irq.h | ||
| ide.h | ||
| idprom.h | ||
| io.h | ||
| ioctl.h | ||
| ioctls.h | ||
| iommu.h | ||
| ipc.h | ||
| ipcbuf.h | ||
| irq.h | ||
| isa.h | ||
| kbio.h | ||
| kdebug.h | ||
| kmap_types.h | ||
| kprobes.h | ||
| linkage.h | ||
| local.h | ||
| lsu.h | ||
| mc146818rtc.h | ||
| mman.h | ||
| mmu_context.h | ||
| mmu.h | ||
| module.h | ||
| mostek.h | ||
| msgbuf.h | ||
| namei.h | ||
| ns87303.h | ||
| openprom.h | ||
| openpromio.h | ||
| oplib.h | ||
| page.h | ||
| param.h | ||
| parport.h | ||
| pbm.h | ||
| pci.h | ||
| pconf.h | ||
| percpu.h | ||
| perfctr.h | ||
| pgalloc.h | ||
| pgtable.h | ||
| pil.h | ||
| poll.h | ||
| posix_types.h | ||
| processor.h | ||
| psrcompat.h | ||
| pstate.h | ||
| ptrace.h | ||
| reg.h | ||
| resource.h | ||
| rtc.h | ||
| rwsem-const.h | ||
| rwsem.h | ||
| sbus.h | ||
| scatterlist.h | ||
| seccomp.h | ||
| sections.h | ||
| semaphore.h | ||
| sembuf.h | ||
| setup.h | ||
| sfafsr.h | ||
| sfp-machine.h | ||
| shmbuf.h | ||
| shmparam.h | ||
| sigcontext.h | ||
| siginfo.h | ||
| signal.h | ||
| smp.h | ||
| socket.h | ||
| sockios.h | ||
| solerrno.h | ||
| spinlock_types.h | ||
| spinlock.h | ||
| spitfire.h | ||
| starfire.h | ||
| stat.h | ||
| statfs.h | ||
| string.h | ||
| sunbpp.h | ||
| svr4.h | ||
| system.h | ||
| termbits.h | ||
| termios.h | ||
| thread_info.h | ||
| timer.h | ||
| timex.h | ||
| tlb.h | ||
| tlbflush.h | ||
| topology.h | ||
| ttable.h | ||
| types.h | ||
| uaccess.h | ||
| uctx.h | ||
| unaligned.h | ||
| unistd.h | ||
| upa.h | ||
| user.h | ||
| utrap.h | ||
| vga.h | ||
| visasm.h | ||
| vuid_event.h | ||
| watchdog.h | ||
| xor.h | ||