From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/arch/powerpc/platforms/pseries/lparcfg.c | 24 ++++++++++++------------
1 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/kernel/arch/powerpc/platforms/pseries/lparcfg.c b/kernel/arch/powerpc/platforms/pseries/lparcfg.c
index e278390..a7d4e25 100644
--- a/kernel/arch/powerpc/platforms/pseries/lparcfg.c
+++ b/kernel/arch/powerpc/platforms/pseries/lparcfg.c
@@ -205,7 +205,7 @@
ppp_data.active_system_procs);
/* pool related entries are appropriate for shared configs */
- if (lppaca_shared_proc(get_lppaca())) {
+ if (lppaca_shared_proc()) {
unsigned long pool_idle_time, pool_procs;
seq_printf(m, "pool=%d\n", ppp_data.pool_num);
@@ -322,6 +322,7 @@
*/
static void parse_system_parameter_string(struct seq_file *m)
{
+ const s32 token = rtas_token("ibm,get-system-parameter");
int call_status;
unsigned char *local_buffer = kmalloc(SPLPAR_MAXLENGTH, GFP_KERNEL);
@@ -331,16 +332,15 @@
return;
}
- spin_lock(&rtas_data_buf_lock);
- memset(rtas_data_buf, 0, SPLPAR_MAXLENGTH);
- call_status = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1,
- NULL,
- SPLPAR_CHARACTERISTICS_TOKEN,
- __pa(rtas_data_buf),
- RTAS_DATA_BUF_SIZE);
- memcpy(local_buffer, rtas_data_buf, SPLPAR_MAXLENGTH);
- local_buffer[SPLPAR_MAXLENGTH - 1] = '\0';
- spin_unlock(&rtas_data_buf_lock);
+ do {
+ spin_lock(&rtas_data_buf_lock);
+ memset(rtas_data_buf, 0, SPLPAR_MAXLENGTH);
+ call_status = rtas_call(token, 3, 1, NULL, SPLPAR_CHARACTERISTICS_TOKEN,
+ __pa(rtas_data_buf), RTAS_DATA_BUF_SIZE);
+ memcpy(local_buffer, rtas_data_buf, SPLPAR_MAXLENGTH);
+ local_buffer[SPLPAR_MAXLENGTH - 1] = '\0';
+ spin_unlock(&rtas_data_buf_lock);
+ } while (rtas_busy_delay(call_status));
if (call_status != 0) {
printk(KERN_INFO
@@ -529,7 +529,7 @@
partition_potential_processors);
seq_printf(m, "shared_processor_mode=%d\n",
- lppaca_shared_proc(get_lppaca()));
+ lppaca_shared_proc());
#ifdef CONFIG_PPC_BOOK3S_64
seq_printf(m, "slb_size=%d\n", mmu_slb_size);
--
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