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authorJack Steiner <steiner@sgi.com>2009-04-03 01:59:04 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-03 04:05:05 +0200
commitfe5bb6b00c3a9374841d651e01694fe4190a677e (patch)
tree8580ba3dac70d236261557a458df535cdc0e2acd /drivers/misc/sgi-gru/grutables.h
parentsgi-gru: add macros for using the UV hub to send interrupts (diff)
downloadlinux-fe5bb6b00c3a9374841d651e01694fe4190a677e.tar.xz
linux-fe5bb6b00c3a9374841d651e01694fe4190a677e.zip
sgi-gru: misc GRU cleanup
Misc trivial GRU drivers fixes: - fix long lines - eliminate extra whitespace - eliminate compiler warning - better validation of invalidate user parameters - bug fix for GRU TLB flush (not the cpu TLB flush) These changes are all internal to the SGI GRU driver and have no effect on the base kernel. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc/sgi-gru/grutables.h')
-rw-r--r--drivers/misc/sgi-gru/grutables.h15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h
index a78f70deeb59..db3fe08bf79e 100644
--- a/drivers/misc/sgi-gru/grutables.h
+++ b/drivers/misc/sgi-gru/grutables.h
@@ -278,13 +278,12 @@ struct gru_stats_s {
/* Generate a GRU asid value from a GRU base asid & a virtual address. */
#if defined CONFIG_IA64
#define VADDR_HI_BIT 64
-#define GRUREGION(addr) ((addr) >> (VADDR_HI_BIT - 3) & 3)
#elif defined CONFIG_X86_64
#define VADDR_HI_BIT 48
-#define GRUREGION(addr) (0) /* ZZZ could do better */
#else
#error "Unsupported architecture"
#endif
+#define GRUREGION(addr) ((addr) >> (VADDR_HI_BIT - 3) & 3)
#define GRUASID(asid, addr) ((asid) + GRUREGION(addr))
/*------------------------------------------------------------------------------
@@ -297,12 +296,12 @@ struct gru_state;
* This structure is pointed to from the mmstruct via the notifier pointer.
* There is one of these per address space.
*/
-struct gru_mm_tracker {
- unsigned int mt_asid_gen; /* ASID wrap count */
- int mt_asid; /* current base ASID for gru */
- unsigned short mt_ctxbitmap; /* bitmap of contexts using
+struct gru_mm_tracker { /* pack to reduce size */
+ unsigned int mt_asid_gen:24; /* ASID wrap count */
+ unsigned int mt_asid:24; /* current base ASID for gru */
+ unsigned short mt_ctxbitmap:16;/* bitmap of contexts using
asid */
-};
+} __attribute__ ((packed));
struct gru_mm_struct {
struct mmu_notifier ms_notifier;
@@ -359,6 +358,8 @@ struct gru_thread_state {
required for contest */
unsigned char ts_cbr_au_count;/* Number of CBR resources
required for contest */
+ char ts_blade; /* If >= 0, migrate context if
+ ref from diferent blade */
char ts_force_unload;/* force context to be unloaded
after migration */
char ts_cbr_idx[GRU_CBR_AU];/* CBR numbers of each