gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

VM: use RW spinlock for vm_range_lock

Browse Source 
Change-Id: Id4654084207d55bf77cc9f8b42795e0f9873cfa0
This commit is contained in:
Balazs Gerofi
2020-04-30 13:32:32 +09:00
committed by Masamichi Takagi
parent 54b529c82d
commit d5aafca1ae
7 changed files with 94 additions and 94 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
arch/arm64/kernel/syscall.c
View File

@ -2151,7 +2151,7 @@ int do_process_vm_read_writev(int pid,
}
/* Check if parameters are okay */
ihk_mc_spinlock_lock_noirq(&lthread->vm->memory_range_lock);
ihk_rwspinlock_read_lock_noirq(&lthread->vm->memory_range_lock);
range = lookup_process_memory_range(lthread->vm,
(uintptr_t)local_iov,
@ -2173,7 +2173,7 @@ int do_process_vm_read_writev(int pid,
ret = 0;
arg_out:
ihk_mc_spinlock_unlock_noirq(&lthread->vm->memory_range_lock);
ihk_rwspinlock_read_unlock_noirq(&lthread->vm->memory_range_lock);
if (ret != 0) {
goto out;
@ -2242,7 +2242,7 @@ arg_out:
if (pli != li) {
struct vm_range *range;
ihk_mc_spinlock_lock_noirq(&lthread->vm->memory_range_lock);
ihk_rwspinlock_read_lock_noirq(&lthread->vm->memory_range_lock);
/* Is base valid? */
range = lookup_process_memory_range(lthread->vm,
@ -2272,7 +2272,7 @@ arg_out:
ret = 0;
pli_out:
ihk_mc_spinlock_unlock_noirq(&lthread->vm->memory_range_lock);
ihk_rwspinlock_read_unlock_noirq(&lthread->vm->memory_range_lock);
if (ret != 0) {
goto out;
@ -2285,7 +2285,7 @@ pli_out:
if (pri != ri) {
struct vm_range *range;
ihk_mc_spinlock_lock_noirq(&rvm->memory_range_lock);
ihk_rwspinlock_read_lock_noirq(&rvm->memory_range_lock);
/* Is base valid? */
range = lookup_process_memory_range(rvm,
@ -2315,7 +2315,7 @@ pli_out:
ret = 0;
pri_out:
ihk_mc_spinlock_unlock_noirq(&rvm->memory_range_lock);
ihk_rwspinlock_read_unlock_noirq(&rvm->memory_range_lock);
if (ret != 0) {
goto out;

12
arch/x86_64/kernel/syscall.c
View File

@ -2290,7 +2290,7 @@ int do_process_vm_read_writev(int pid,
}
/* Check if parameters are okay */
ihk_mc_spinlock_lock_noirq(&lthread->vm->memory_range_lock);
ihk_rwspinlock_read_lock_noirq(&lthread->vm->memory_range_lock);
range = lookup_process_memory_range(lthread->vm,
(uintptr_t)local_iov,
@ -2312,7 +2312,7 @@ int do_process_vm_read_writev(int pid,
ret = 0;
arg_out:
ihk_mc_spinlock_unlock_noirq(&lthread->vm->memory_range_lock);
ihk_rwspinlock_read_unlock_noirq(&lthread->vm->memory_range_lock);
if (ret != 0) {
goto out;
@ -2381,7 +2381,7 @@ arg_out:
if (pli != li) {
struct vm_range *range;
ihk_mc_spinlock_lock_noirq(&lthread->vm->memory_range_lock);
ihk_rwspinlock_read_lock_noirq(&lthread->vm->memory_range_lock);
/* Is base valid? */
range = lookup_process_memory_range(lthread->vm,
@ -2411,7 +2411,7 @@ arg_out:
ret = 0;
pli_out:
ihk_mc_spinlock_unlock_noirq(&lthread->vm->memory_range_lock);
ihk_rwspinlock_read_unlock_noirq(&lthread->vm->memory_range_lock);
if (ret != 0) {
goto out;
@ -2424,7 +2424,7 @@ pli_out:
if (pri != ri) {
struct vm_range *range;
ihk_mc_spinlock_lock_noirq(&rvm->memory_range_lock);
ihk_rwspinlock_read_lock_noirq(&rvm->memory_range_lock);
/* Is base valid? */
range = lookup_process_memory_range(rvm,
@ -2454,7 +2454,7 @@ pli_out:
ret = 0;
pri_out:
ihk_mc_spinlock_unlock_noirq(&rvm->memory_range_lock);
ihk_rwspinlock_read_unlock_noirq(&rvm->memory_range_lock);
if (ret != 0) {
goto out;