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x86/PCI: Eliminate remove_e820_regions() common subexpressions 

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2118429
Upstream Status: 93d256cd3c1e93c4093e8015b371e832de4c4146

commit 93d256cd3c1e93c4093e8015b371e832de4c4146
Author: Bjorn Helgaas <bhelgaas@google.com>
Date:   Thu Mar 3 18:04:43 2022 -0600

    x86/PCI: Eliminate remove_e820_regions() common subexpressions

    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>

Signed-off-by: Myron Stowe <mstowe@redhat.com>
This commit is contained in:
Myron Stowe 2022-08-16 19:15:12 -06:00
parent ef9a9aed0a
commit 3889364535
1 changed files with 4 additions and 2 deletions
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6
arch/x86/kernel/resource.c
View File

@ -27,12 +27,14 @@ static void remove_e820_regions(struct resource *avail)
{
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);
}
}