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Don't disable interrupts in flush_tmap() and map_iospace_chunk(), just

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pin the thread to the current CPU.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27975 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2008-10-11 18:12:10 +00:00
parent 6503e5d9c6
commit 5e50de7e2e
1 changed files with 7 additions and 7 deletions
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14
src/system/kernel/arch/x86/arch_vm_translation_map.cpp
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@ -16,6 +16,7 @@
#include <heap.h>
#include <arch_system_info.h>
#include <arch/vm_translation_map.h>
#include <thread.h>
#include <string.h>
#include <stdlib.h>
@ -648,12 +649,11 @@ clear_flags_tmap(vm_translation_map *map, addr_t va, uint32 flags)
static void
flush_tmap(vm_translation_map *map)
{
cpu_status state;
if (map->arch_data->num_invalidate_pages <= 0)
return;
state = disable_interrupts();
struct thread* thread = thread_get_current_thread();
thread_pin_to_current_cpu(thread);
if (map->arch_data->num_invalidate_pages > PAGE_INVALIDATE_CACHE_SIZE) {
// invalidate all pages
@ -701,7 +701,7 @@ flush_tmap(vm_translation_map *map)
}
map->arch_data->num_invalidate_pages = 0;
restore_interrupts(state);
thread_unpin_from_current_cpu(thread);
}
@ -711,7 +711,6 @@ map_iospace_chunk(addr_t va, addr_t pa)
int i;
page_table_entry *pt;
addr_t ppn;
int state;
pa &= ~(B_PAGE_SIZE - 1); // make sure it's page aligned
va &= ~(B_PAGE_SIZE - 1); // make sure it's page aligned
@ -729,12 +728,13 @@ map_iospace_chunk(addr_t va, addr_t pa)
pt[i].global = 1;
}
state = disable_interrupts();
struct thread* thread = thread_get_current_thread();
thread_pin_to_current_cpu(thread);
arch_cpu_invalidate_TLB_range(va, va + (IOSPACE_CHUNK_SIZE - B_PAGE_SIZE));
smp_send_broadcast_ici(SMP_MSG_INVALIDATE_PAGE_RANGE,
va, va + (IOSPACE_CHUNK_SIZE - B_PAGE_SIZE), 0,
NULL, SMP_MSG_FLAG_SYNC);
restore_interrupts(state);
thread_unpin_from_current_cpu(thread);
return B_OK;
}