* [merged mm-nonmm-stable] resource-replace-open-coded-resource_overlaps.patch removed from -mm tree
@ 2026-10-07 2:05 Andrew Morton
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From: Andrew Morton @ 2026-10-07 2:05 UTC (permalink / raw)
To: mm-commits, helgaas, brads, andriy.shevchenko, akpm
The quilt patch titled
Subject: resource: replace open coded resource_overlaps()
has been removed from the -mm tree. Its filename was
resource-replace-open-coded-resource_overlaps.patch
This patch was dropped because it was merged into the mm-nonmm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: resource: replace open coded resource_overlaps()
Date: Tue, 15 Sep 2026 10:53:53 +0200
In iomem_map_sanity_check() a piece of code resembles the content of the
resource_overlaps(). Replace open coded piece with the call to the
existing helper.
Link: https://lore.kernel.org/20260915085353.3518153-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Bradley Morgan <brads@mainlining.org>
Cc: Bjorn Helgaas <helgaas@kernel.org>
---
kernel/resource.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
--- a/kernel/resource.c~resource-replace-open-coded-resource_overlaps
+++ a/kernel/resource.c
@@ -1833,7 +1833,7 @@ __setup("reserve=", reserve_setup);
*/
int iomem_map_sanity_check(resource_size_t addr, unsigned long size)
{
- resource_size_t end = addr + size - 1;
+ struct resource mem = DEFINE_RES_MEM(addr, size);
struct resource *p;
int err = 0;
@@ -1843,12 +1843,10 @@ int iomem_map_sanity_check(resource_size
* We can probably skip the resources without
* IORESOURCE_IO attribute?
*/
- if (p->start > end)
+ if (!resource_overlaps(p, &mem))
continue;
- if (p->end < addr)
- continue;
- if (PFN_DOWN(p->start) <= PFN_DOWN(addr) &&
- PFN_DOWN(p->end) >= PFN_DOWN(end))
+ if (PFN_DOWN(p->start) <= PFN_DOWN(mem.start) &&
+ PFN_DOWN(p->end) >= PFN_DOWN(mem.end))
continue;
/*
* if a resource is "BUSY", it's not a hardware resource
@@ -1859,8 +1857,8 @@ int iomem_map_sanity_check(resource_size
if (p->flags & IORESOURCE_BUSY)
continue;
- pr_debug("resource sanity check: requesting [mem %pa-%pa], which spans more than %s %pR\n",
- &addr, &end, p->name, p);
+ pr_debug("resource sanity check: requesting %pR, which spans more than %s %pR\n",
+ &mem, p->name, p);
err = -1;
break;
}
_
Patches currently in -mm which might be from andriy.shevchenko@linux.intel.com are
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2026-10-07 2:05 [merged mm-nonmm-stable] resource-replace-open-coded-resource_overlaps.patch removed from -mm tree Andrew Morton
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