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[ARM] iwmmxt thread state alignment

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This patch removes the reliance of iwmmxt on hand coded alignments.
Since thread_info is always 8K aligned, specifying that fpstate is
8-byte aligned achieves the same effect without needing to resort
to hand coded alignments.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2006-03-12 22:36:06 +00:00
committed by Russell King
parent 04916c0ef4
commit cdaabbd74b
4 changed files with 11 additions and 13 deletions
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4
include/asm-arm/fpstate.h
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@@ -55,8 +55,10 @@ struct fp_soft_struct {
unsigned int save[FP_SOFT_SIZE]; /* undefined information */
};
#define IWMMXT_SIZE 0x98
struct iwmmxt_struct {
unsigned int save[0x98/sizeof(int) + 1];
unsigned int save[IWMMXT_SIZE / sizeof(unsigned int)];
};
union fp_state {

2
include/asm-arm/thread_info.h
View File

@@ -59,7 +59,7 @@ struct thread_info {
struct cpu_context_save cpu_context; /* cpu context */
__u8 used_cp[16]; /* thread used copro */
unsigned long tp_value;
union fp_state fpstate;
union fp_state fpstate __attribute__((aligned(8)));
union vfp_state vfpstate;
struct restart_block restart_block;
};