Opened 15 years ago
Closed 13 years ago
#14 closed enhancement (wontfix)
Implement register-only ipc_wait_for
| Reported by: | Jakub Jermář | Owned by: | Jakub Jermář |
|---|---|---|---|
| Priority: | minor | Milestone: | |
| Component: | helenos/kernel/generic | Version: | mainline |
| Keywords: | Cc: | ||
| Blocker for: | Depends on: | ||
| See also: |
Description
Despite the recent improvements in IPC, which can now pass as many as 4 payload arguments in registers, the reply goes from kernel to a userspace task always in memory. Theoretically, this could be improved for short replies by "soaking" the task into the kernel and populating the registers with the contents of the reply. Long replies will go through memory as usual.
Change History (3)
comment:1 by , 15 years ago
| Component: | → kernel/generic |
|---|
comment:2 by , 15 years ago
| Type: | defect → enhancement |
|---|
comment:3 by , 13 years ago
| Resolution: | → wontfix |
|---|---|
| Status: | new → closed |
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