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Nonblocking mail_receive, fix proc_kill scheduling issues
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This commit is contained in:
Kamil Kowalczyk
2026-03-17 21:36:09 +01:00
parent 57abf96daf
commit 0b85d3a0da
14 changed files with 121 additions and 60 deletions
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8
kernel/amd64/intr.c
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@@ -168,13 +168,13 @@ static void intr_exception (struct saved_regs* regs) {
bool do_thiscpu = false;
for (size_t i = 0; i < lengthof (rctx.cpus); i++) {
if (rctx.cpus[i] != NULL && rctx.cpus[i] != thiscpu)
cpu_request_sched (rctx.cpus[i]);
cpu_request_sched (rctx.cpus[i], true);
else
do_thiscpu = true;
}
if (do_thiscpu)
cpu_request_sched (thiscpu);
cpu_request_sched (thiscpu, true);
} else {
spin ();
}
@@ -228,13 +228,13 @@ void intr_handler (void* stack_ptr) {
bool do_thiscpu = false;
for (size_t i = 0; i < lengthof (rctx.cpus); i++) {
if (rctx.cpus[i] != NULL && rctx.cpus[i] != thiscpu)
cpu_request_sched (rctx.cpus[i]);
cpu_request_sched (rctx.cpus[i], user);
else
do_thiscpu = true;
}
if (do_thiscpu)
cpu_request_sched (thiscpu);
cpu_request_sched (thiscpu, user);
}
}
}

4
kernel/amd64/smp.c
View File

@@ -46,9 +46,9 @@ struct cpu* cpu_get (void) {
return ptr;
}
void cpu_request_sched (struct cpu* cpu) {
void cpu_request_sched (struct cpu* cpu, bool user) {
if (cpu == thiscpu) {
proc_sched ();
proc_sched (user);
return;
}

5
kernel/amd64/smp.h
View File

@@ -37,8 +37,11 @@ struct cpu {
};
struct cpu* cpu_make (uint64_t lapic_id, uint64_t acpi_id);
struct cpu* cpu_get (void);
void cpu_request_sched (struct cpu* cpu);
void cpu_request_sched (struct cpu* cpu, bool user);
struct cpu* cpu_find_lightest (void);
#define thiscpu (cpu_get ())

4
kernel/amd64/syscall.c
View File

@@ -69,13 +69,13 @@ uintptr_t syscall_dispatch (void* stack_ptr) {
bool do_thiscpu = false;
for (size_t i = 0; i < lengthof (rctx.cpus); i++) {
if (rctx.cpus[i] != NULL && rctx.cpus[i] != thiscpu)
cpu_request_sched (rctx.cpus[i]);
cpu_request_sched (rctx.cpus[i], true);
else
do_thiscpu = true;
}
if (do_thiscpu)
cpu_request_sched (thiscpu);
cpu_request_sched (thiscpu, true);
return r;
}