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NUMA: use IHK CPU and NUMA mappings for sysfs entries

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This commit is contained in:
Balazs Gerofi
2016-10-13 18:55:59 +09:00
parent 167ea67dee
commit b068fde9cd
8 changed files with 182 additions and 245 deletions
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34
kernel/host.c
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@@ -534,31 +534,6 @@ extern void process_procfs_request(unsigned long rarg);
extern void terminate_host(int pid);
extern void debug_log(long);
static void req_get_cpu_mapping(long req_rpa)
{
size_t mapsize;
size_t size;
int npages;
long phys;
struct get_cpu_mapping_req *req;
struct cpu_mapping *buf;
size = sizeof(*req);
mapsize = size + (req_rpa & (PAGE_SIZE - 1));
npages = (mapsize + PAGE_SIZE - 1) >> PAGE_SHIFT;
phys = ihk_mc_map_memory(NULL, req_rpa, size);
req = ihk_mc_map_virtual(phys, npages, PTATTR_WRITABLE);
req->error = arch_get_cpu_mapping(&buf, &req->buf_elems);
if (!req->error) {
req->buf_rpa = virt_to_phys(buf);
}
ihk_mc_unmap_virtual(req, npages, 0);
ihk_mc_unmap_memory(NULL, phys, size);
return;
} /* req_get_cpu_mapping() */
static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
void *__packet, void *ihk_os)
{
@@ -687,15 +662,6 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
ret = 0;
break;
case SCD_MSG_GET_CPU_MAPPING:
req_get_cpu_mapping(packet->arg);
pckt.msg = SCD_MSG_REPLY_GET_CPU_MAPPING;
pckt.arg = packet->arg;
syscall_channel_send(c, &pckt);
ret = 0;
break;
default:
kprintf("syscall_pakcet_handler:unknown message "
"(%d.%d.%d.%d.%d.%#lx)\n",

2
kernel/init.c
View File

@@ -320,7 +320,7 @@ static void setup_remote_snooping_samples(void)
static void populate_sysfs(void)
{
cpu_sysfs_setup();
setup_remote_snooping_samples();
//setup_remote_snooping_samples();
} /* populate_sysfs() */
int host_ikc_inited = 0;