| /trunk/kernel/arch/amd64/include/atomic.h |
|---|
| 115,9 → 115,7 |
| preemption_disable(); |
| asm volatile ( |
| "0:\n" |
| #ifdef CONFIG_HT |
| "pause\n" |
| #endif |
| "mov %[count], %[tmp]\n" |
| "testq %[tmp], %[tmp]\n" |
| "jnz 0b\n" /* lightweight looping on locked spinlock */ |
| /trunk/kernel/arch/ia32/include/atomic.h |
|---|
| 114,9 → 114,7 |
| preemption_disable(); |
| asm volatile ( |
| "0:\n" |
| #ifdef CONFIG_HT |
| "pause\n" /* Pentium 4's HT love this instruction */ |
| #endif |
| "mov %[count], %[tmp]\n" |
| "testl %[tmp], %[tmp]\n" |
| "jnz 0b\n" /* lightweight looping on locked spinlock */ |
| /trunk/kernel/arch/ia32/src/atomic.S |
|---|
| 42,9 → 42,7 |
| movl 12(%esp),%ebx |
| 0: |
| #ifdef CONFIG_HT |
| pause # Pentium 4's with HT love this instruction |
| #endif |
| movl (%ebx),%eax |
| testl %eax,%eax |
| jnz 0b # lightweight looping while it is locked |
| /trunk/HelenOS.config |
|---|
| 290,12 → 290,6 |
| % Deadlock detection support for spinlocks |
| ! [CONFIG_DEBUG=y&CONFIG_SMP=y] CONFIG_DEBUG_SPINLOCK (y/n) |
| % Improved support for hyperthreading |
| ! [PLATFORM=amd64&CONFIG_SMP=y] CONFIG_HT (y/n) |
| % Improved support for hyperthreading |
| ! [PLATFORM=ia32&PROCESSOR!=athlon_xp&PROCESSOR!=athlon_mp&PROCESSOR!=pentium3&CONFIG_SMP=y] CONFIG_HT (y/n) |
| % Lazy FPU context switching |
| ! [CONFIG_FPU=y] CONFIG_FPU_LAZY (y/n) |
| /trunk/defaults/amd64/Makefile.config |
|---|
| 16,9 → 16,6 |
| # Support for SMP |
| CONFIG_SMP = y |
| # Improved support for hyperthreading |
| CONFIG_HT = y |
| # Lazy FPU context switching |
| CONFIG_FPU_LAZY = y |
| /trunk/defaults/ia32/Makefile.config |
|---|
| 22,9 → 22,6 |
| # Support for SMP |
| CONFIG_SMP = y |
| # Improved support for hyperthreading |
| CONFIG_HT = y |
| # Lazy FPU context switching |
| CONFIG_FPU_LAZY = y |