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| author | Michal Simek <monstr@monstr.eu> | 2010-06-22 20:49:46 +0200 |
|---|---|---|
| committer | Michal Simek <monstr@monstr.eu> | 2010-08-04 10:45:14 +0200 |
| commit | 0a6b08fda6e3229713e779e30028598c067e904d (patch) | |
| tree | 95e854f09fec88bc6bb0f42c5cc4da89dd34c8ea /arch/microblaze/kernel | |
| parent | 80c5ff6b9b2dd9a2e99d3d6f74df5e6f888d43e9 (diff) | |
| download | blackbird-op-linux-0a6b08fda6e3229713e779e30028598c067e904d.tar.gz blackbird-op-linux-0a6b08fda6e3229713e779e30028598c067e904d.zip | |
microblaze: Move PT_MODE saving to delay slot
We can save one more instruction if PT_MODE is saved in delay slot
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/kernel')
| -rw-r--r-- | arch/microblaze/kernel/entry.S | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index f4fda8578551..6c117ceaabea 100644 --- a/arch/microblaze/kernel/entry.S +++ b/arch/microblaze/kernel/entry.S @@ -728,10 +728,8 @@ C_ENTRY(_interrupt): /* MS: Make room on the stack -> activation record */ addik r1, r1, -STATE_SAVE_SIZE; SAVE_REGS - swi r1, r1, PTO + PT_MODE; /* 0 - user mode, 1 - kernel mode */ brid 2f; - nop; /* MS: Fill delay slot */ - + swi r1, r1, PTO + PT_MODE; /* 0 - user mode, 1 - kernel mode */ 1: /* User-mode state save. */ /* MS: get the saved current */ |
