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Code Issues Releases Activity

Invalidate cache after changing pte entry.

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Discussed with:	jhp and njl
MFC after:	5 days
This commit is contained in:
Roman Kurakin 2004-09-23 16:06:27 +00:00
parent 0d85246a7b
commit 9b27ceb6dc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=135621
1 changed files with 7 additions and 3 deletions
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10
sys/i386/i386/mp_machdep.c
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@ -737,8 +737,9 @@ install_ap_tramp(void)
{
int x;
int size = *(int *) ((u_long) & bootMP_size);
vm_offset_t va = boot_address + KERNBASE;
u_char *src = (u_char *) ((u_long) bootMP);
u_char *dst = (u_char *) boot_address + KERNBASE;
u_char *dst = (u_char *) va;
u_int boot_base = (u_int) bootMP;
u_int8_t *dst8;
u_int16_t *dst16;
@ -746,7 +747,10 @@ install_ap_tramp(void)
POSTCODE(INSTALL_AP_TRAMP_POST);
pmap_kenter(boot_address + KERNBASE, boot_address);
KASSERT (size <= PAGE_SIZE,
("'size' do not fit into PAGE_SIZE, as expected."));
pmap_kenter(va, boot_address);
pmap_invalidate_page (kernel_pmap, va);
for (x = 0; x < size; ++x)
*dst++ = *src++;
@ -757,7 +761,7 @@ install_ap_tramp(void)
*/
/* boot code is located in KERNEL space */
dst = (u_char *) boot_address + KERNBASE;
dst = (u_char *) va;
/* modify the lgdt arg */
dst32 = (u_int32_t *) (dst + ((u_int) & mp_gdtbase - boot_base));