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mcctrl: convert perf ctrl ioctls to mcctrl_ihk_send_wait

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While we are here, also optimize code a bit: perf_desc does not need
to be allocated for every cpu; and fix coding style.

Change-Id: Iad19fed08205d38594fd3f1b7ddf2b19a9cf0d9d
This commit is contained in:
Dominique Martinet
2018-06-29 10:57:44 +09:00
parent b87c06cbcb
commit ab8fe0bbbf
5 changed files with 135 additions and 149 deletions
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6
executer/kernel/mcctrl/ikc.c
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@ -52,7 +52,6 @@
static void mcctrl_ikc_init(ihk_os_t os, int cpu, unsigned long rphys, struct ihk_ikc_channel_desc *c);
int mcexec_syscall(struct mcctrl_usrdata *ud, struct ikc_scd_packet *packet);
void sig_done(unsigned long arg, int err);
void mcctrl_perf_ack(ihk_os_t os, struct ikc_scd_packet *packet);
void mcctrl_os_read_write_cpu_response(ihk_os_t os,
struct ikc_scd_packet *pisp);
void mcctrl_eventfd(ihk_os_t os, struct ikc_scd_packet *pisp);
@ -179,6 +178,7 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
break;
case SCD_MSG_PREPARE_PROCESS_ACKED:
case SCD_MSG_PERF_ACK:
mcctrl_wakeup_cb(__os, pisp);
break;
@ -216,10 +216,6 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
get_vdso_info(__os, pisp->arg);
break;
case SCD_MSG_PERF_ACK:
mcctrl_perf_ack(__os, pisp);
break;
case SCD_MSG_CPU_RW_REG_RESP:
mcctrl_os_read_write_cpu_response(__os, pisp);
break;