From: Bjorn Helgaas <bhelgaas@google.com>
Date: Thu, 3 Mar 2022 18:04:43 -0600
Subject: x86/PCI: Eliminate remove_e820_regions() common subexpressions
Patch-mainline: v5.19-rc1
Git-commit: 93d256cd3c1e93c4093e8015b371e832de4c4146
References: jsc#PED-1408
Add local variables to reduce repetition later. No functional change
intended.
Link: https://lore.kernel.org/r/20220304035110.988712-2-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
---
arch/x86/kernel/resource.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/arch/x86/kernel/resource.c
+++ b/arch/x86/kernel/resource.c
@@ -27,12 +27,14 @@ static void remove_e820_regions(struct r
{
int i;
struct e820_entry *entry;
+ u64 e820_start, e820_end;
for (i = 0; i < e820_table->nr_entries; i++) {
entry = &e820_table->entries[i];
+ e820_start = entry->addr;
+ e820_end = entry->addr + entry->size - 1;
- resource_clip(avail, entry->addr,
- entry->addr + entry->size - 1);
+ resource_clip(avail, e820_start, e820_end);
}
}