Subject: [PATCH v5 05/17] powerpc/pseries: move process table registration away from hash-specific code

From: Nicholas Piggin <[email-masked]>
Date: Mon, 29 Nov 2021 13:07:51 +1000

This reduces ifdefs in a later change which makes hash support configurable.

Signed-off-by: Nicholas Piggin <[email-masked]>
---
 arch/powerpc/platforms/pseries/lpar.c | 56 +++++++++++++--------------
 1 file changed, 28 insertions(+), 28 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 3df6bdfea475..06d6a824c0dc 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -712,6 +712,34 @@ void vpa_init(int cpu)
 
 #ifdef CONFIG_PPC_BOOK3S_64
 
+static int pseries_lpar_register_process_table(unsigned long base,
+			unsigned long page_size, unsigned long table_size)
+{
+	long rc;
+	unsigned long flags = 0;
+
+	if (table_size)
+		flags |= PROC_TABLE_NEW;
+	if (radix_enabled()) {
+		flags |= PROC_TABLE_RADIX;
+		if (mmu_has_feature(MMU_FTR_GTSE))
+			flags |= PROC_TABLE_GTSE;
+	} else
+		flags |= PROC_TABLE_HPT_SLB;
+	for (;;) {
+		rc = plpar_hcall_norets(H_REGISTER_PROC_TBL, flags, base,
+					page_size, table_size);
+		if (!H_IS_LONG_BUSY(rc))
+			break;
+		mdelay(get_longbusy_msecs(rc));
+	}
+	if (rc != H_SUCCESS) {
+		pr_err("Failed to register process table (rc=%ld)\n", rc);
+		BUG();
+	}
+	return rc;
+}
+
 static long pSeries_lpar_hpte_insert(unsigned long hpte_group,
 				     unsigned long vpn, unsigned long pa,
 				     unsigned long rflags, unsigned long vflags,
@@ -1680,34 +1708,6 @@ static int pseries_lpar_resize_hpt(unsigned long shift)
 	return 0;
 }
 
-static int pseries_lpar_register_process_table(unsigned long base,
-			unsigned long page_size, unsigned long table_size)
-{
-	long rc;
-	unsigned long flags = 0;
-
-	if (table_size)
-		flags |= PROC_TABLE_NEW;
-	if (radix_enabled()) {
-		flags |= PROC_TABLE_RADIX;
-		if (mmu_has_feature(MMU_FTR_GTSE))
-			flags |= PROC_TABLE_GTSE;
-	} else
-		flags |= PROC_TABLE_HPT_SLB;
-	for (;;) {
-		rc = plpar_hcall_norets(H_REGISTER_PROC_TBL, flags, base,
-					page_size, table_size);
-		if (!H_IS_LONG_BUSY(rc))
-			break;
-		mdelay(get_longbusy_msecs(rc));
-	}
-	if (rc != H_SUCCESS) {
-		pr_err("Failed to register process table (rc=%ld)\n", rc);
-		BUG();
-	}
-	return rc;
-}
-
 void __init hpte_init_pseries(void)
 {
 	mmu_hash_ops.hpte_invalidate	 = pSeries_lpar_hpte_invalidate;
-- 
2.23.0