openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

sparc32: Kill SUN4C_LOCK_{VADDR,END} and associated comment. 

No longer used.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-05-11 20:51:51 -07:00
parent 58fa4dcbc4
commit 4419f11b45
1 changed files with 0 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
arch/sparc/include/asm/vaddrs.h
View File

@ -34,22 +34,6 @@
#define IOBASE_VADDR 0xfe000000
#define IOBASE_END 0xfe600000
/*
* On the sun4/4c we need a place
* to reliably map locked down kernel data. This includes the
* task_struct and kernel stack pages of each process plus the
* scsi buffers during dvma IO transfers, also the floppy buffers
* during pseudo dma which runs with traps off (no faults allowed).
* Some quick calculations yield:
* NR_TASKS <512> * (3 * PAGE_SIZE) == 0x600000
* Subtract this from 0xc00000 and you get 0x927C0 of vm left
* over to map SCSI dvma + floppy pseudo-dma buffers. So be
* careful if you change NR_TASKS or else there won't be enough
* room for it all.
*/
#define SUN4C_LOCK_VADDR 0xff000000
#define SUN4C_LOCK_END 0xffc00000
#define KADB_DEBUGGER_BEGVM 0xffc00000 /* Where kern debugger is in virt-mem */
#define KADB_DEBUGGER_ENDVM 0xffd00000
#define DEBUG_FIRSTVADDR KADB_DEBUGGER_BEGVM