From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/arch/powerpc/platforms/pseries/lpar.c | 34 +++++++++++++---------------------
1 files changed, 13 insertions(+), 21 deletions(-)
diff --git a/kernel/arch/powerpc/platforms/pseries/lpar.c b/kernel/arch/powerpc/platforms/pseries/lpar.c
index 1c3ac0f..68f3b08 100644
--- a/kernel/arch/powerpc/platforms/pseries/lpar.c
+++ b/kernel/arch/powerpc/platforms/pseries/lpar.c
@@ -261,7 +261,7 @@
if (!last_disp_cpu_assoc || !cur_disp_cpu_assoc)
return -EIO;
- return cpu_distance(last_disp_cpu_assoc, cur_disp_cpu_assoc);
+ return cpu_relative_distance(last_disp_cpu_assoc, cur_disp_cpu_assoc);
}
static int cpu_home_node_dispatch_distance(int disp_cpu)
@@ -281,7 +281,7 @@
if (!disp_cpu_assoc || !vcpu_assoc)
return -EIO;
- return cpu_distance(disp_cpu_assoc, vcpu_assoc);
+ return cpu_relative_distance(disp_cpu_assoc, vcpu_assoc);
}
static void update_vcpu_disp_stat(int disp_cpu)
@@ -637,16 +637,8 @@
static int __init vcpudispatch_stats_procfs_init(void)
{
- /*
- * Avoid smp_processor_id while preemptible. All CPUs should have
- * the same value for lppaca_shared_proc.
- */
- preempt_disable();
- if (!lppaca_shared_proc(get_lppaca())) {
- preempt_enable();
+ if (!lppaca_shared_proc())
return 0;
- }
- preempt_enable();
if (!proc_create("powerpc/vcpudispatch_stats", 0600, NULL,
&vcpudispatch_stats_proc_ops))
@@ -1433,22 +1425,22 @@
void __init pseries_lpar_read_hblkrm_characteristics(void)
{
+ const s32 token = rtas_token("ibm,get-system-parameter");
unsigned char local_buffer[SPLPAR_TLB_BIC_MAXLENGTH];
int call_status, len, idx, bpsize;
if (!firmware_has_feature(FW_FEATURE_BLOCK_REMOVE))
return;
- spin_lock(&rtas_data_buf_lock);
- memset(rtas_data_buf, 0, RTAS_DATA_BUF_SIZE);
- call_status = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1,
- NULL,
- SPLPAR_TLB_BIC_TOKEN,
- __pa(rtas_data_buf),
- RTAS_DATA_BUF_SIZE);
- memcpy(local_buffer, rtas_data_buf, SPLPAR_TLB_BIC_MAXLENGTH);
- local_buffer[SPLPAR_TLB_BIC_MAXLENGTH - 1] = '\0';
- spin_unlock(&rtas_data_buf_lock);
+ do {
+ spin_lock(&rtas_data_buf_lock);
+ memset(rtas_data_buf, 0, RTAS_DATA_BUF_SIZE);
+ call_status = rtas_call(token, 3, 1, NULL, SPLPAR_TLB_BIC_TOKEN,
+ __pa(rtas_data_buf), RTAS_DATA_BUF_SIZE);
+ memcpy(local_buffer, rtas_data_buf, SPLPAR_TLB_BIC_MAXLENGTH);
+ local_buffer[SPLPAR_TLB_BIC_MAXLENGTH - 1] = '\0';
+ spin_unlock(&rtas_data_buf_lock);
+ } while (rtas_busy_delay(call_status));
if (call_status != 0) {
pr_warn("%s %s Error calling get-system-parameter (0x%x)\n",
--
Gitblit v1.6.2