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Groups > linux.kernel > #1652915
| From | Michal Simek <michal.simek@xilinx.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 1/2] microblaze: Separate GP registers from MSR handling |
| Date | 2017-05-30 10:00 +0200 |
| Message-ID | <tMKem-4q1-15@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
Separate general purpose register restoring from MSR handling. Signed-off-by: Michal Simek <michal.simek@xilinx.com> --- arch/microblaze/kernel/entry.S | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index ef548510b951..285e8880e274 100644 --- a/arch/microblaze/kernel/entry.S +++ b/arch/microblaze/kernel/entry.S @@ -208,9 +208,7 @@ syscall_debug_table: mfs r11, rmsr; /* save MSR */ \ swi r11, r1, PT_MSR; -#define RESTORE_REGS \ - lwi r11, r1, PT_MSR; \ - mts rmsr , r11; \ +#define RESTORE_REGS_GP \ lwi r2, r1, PT_R2; /* restore SDA */ \ lwi r3, r1, PT_R3; \ lwi r4, r1, PT_R4; \ @@ -242,6 +240,11 @@ syscall_debug_table: lwi r30, r1, PT_R30; \ lwi r31, r1, PT_R31; /* Restore cur task reg */ +#define RESTORE_REGS \ + lwi r11, r1, PT_MSR; \ + mts rmsr , r11; \ + RESTORE_REGS_GP + #define SAVE_STATE \ swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)); /* save stack */ \ /* See if already in kernel mode.*/ \ -- 1.9.1
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[PATCH 1/2] microblaze: Separate GP registers from MSR handling Michal Simek <michal.simek@xilinx.com> - 2017-05-30 10:00 +0200
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