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Kernel: No lock validate_user_stack variant, switch to Space as argument

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The entire process is not needed, just require the user to pass in the
Space. Also provide no_lock variant to use when you already have the
VM/Space lock acquired, to avoid unnecessary recursive spinlock
acquisitions.
This commit is contained in:
Brian Gianforcaro 2021-07-18 08:53:37 -07:00 • committed by Gunnar Beutner
parent 59b6169b51
commit 308396bca1
5 changed files with 16 additions and 7 deletions
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3
Kernel/VM/MemoryManager.h
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@ -134,7 +134,8 @@ public:
static void enter_process_paging_scope(Process&);
static void enter_space(Space&);
bool validate_user_stack(Process const&, VirtualAddress) const;
bool validate_user_stack_no_lock(Space&, VirtualAddress) const;
bool validate_user_stack(Space&, VirtualAddress) const;
enum class ShouldZeroFill {
No,