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ptrace: fixed for threads.

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This commit is contained in:
Ken Sato
2016-11-28 11:19:30 +09:00
parent a1cf27e232
commit 1130cafe41
10 changed files with 152 additions and 65 deletions
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14
arch/x86/kernel/memory.c
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@@ -2367,8 +2367,18 @@ int write_process_vm(struct process_vm *vm, void *udst, const void *ksrc, size_t
return error;
}
va = phys_to_virt(pa);
memcpy(va, from, cpsize);
if (pa < ihk_mc_get_memory_address(IHK_MC_GMA_MAP_START, 0) ||
pa >= ihk_mc_get_memory_address(IHK_MC_GMA_MAP_END, 0)) {
dkprintf("%s: pa is outside of LWK memory, from: %p,"
"pa: %p, cpsize: %d\n", __FUNCTION__, from, pa, cpsize);
va = ihk_mc_map_virtual(pa, 1, PTATTR_ACTIVE);
memcpy(va, from, cpsize);
ihk_mc_unmap_virtual(va, 1, 1);
}
else {
va = phys_to_virt(pa);
memcpy(va, from, cpsize);
}
from += cpsize;
to += cpsize;