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[PATCH RFC 10/11] parisc: use hw_pte_t for the data-break callback
- To: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>, Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>, Tvrtko Ursulin <tursulin@xxxxxxxxxxx>, David Airlie <airlied@xxxxxxxxx>, Simona Vetter <simona@xxxxxxxx>, Dimitri Sivanich <dimitri.sivanich@xxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Helge Deller <deller@xxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Muchun Song <muchun.song@xxxxxxxxx>, Oscar Salvador <osalvador@xxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "Liam R. Howlett" <liam@xxxxxxxxxxxxx>, Lorenzo Stoakes <ljs@xxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxx>, Nick Piggin <npiggin@xxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>, Chris Li <chrisl@xxxxxxxxxx>, Kairui Song <kasong@xxxxxxxxxxx>, Uladzislau Rezki <urezki@xxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Alexei Starovoitov <ast@xxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Andrii Nakryiko <andrii@xxxxxxxxxx>, Eduard Zingerman <eddyz87@xxxxxxxxx>, Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>, Namhyung Kim <namhyung@xxxxxxxxxx>, SJ Park <sj@xxxxxxxxxx>, "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, Leon Romanovsky <leon@xxxxxxxxxx>, Miaohe Lin <linmiaohe@xxxxxxxxxx>, Dennis Zhou <dennis@xxxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Christoph Lameter <cl@xxxxxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>, ziy@xxxxxxxxxx, pfalcato@xxxxxxx, agordeev@xxxxxxxxxxxxx, ryan.roberts@xxxxxxx
- From: Muhammad Usama Anjum <usama.anjum@xxxxxxx>
- Date: Mon, 27 Jul 2026 17:47:01 +0100
- Authentication-results: eu.smtp.expurgate.cloud; dkim=pass header.s=foss header.d=arm.com header.i="@arm.com" header.h="From:To:Cc:Subject:Date:In-Reply-To:References"
- Cc: Muhammad Usama Anjum <usama.anjum@xxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, kasan-dev@xxxxxxxxxxxxxxxx, linux-trace-kernel@xxxxxxxxxxxxxxx, bpf@xxxxxxxxxxxxxxx, linux-perf-users@xxxxxxxxxxxxxxx, damon@xxxxxxxxxxxxxxx
- Delivery-date: Mon, 27 Jul 2026 16:55:53 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
The DEBUG_DMB_TRAP path passes set_data_memory_break() to iterate_pages()
for PTE table storage. Update the local set_data_memory_break() declaration
to take hw_pte_t * so its argument is identified as table storage.
The generic hw_pte_t alias makes this a type-only change.
Signed-off-by: Muhammad Usama Anjum <usama.anjum@xxxxxxx>
---
drivers/parisc/sba_iommu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index d9339dd508262..27a7efe3e0a70 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -1697,9 +1697,9 @@ sba_common_init(struct sba_device *sba_dev)
int res_size;
#ifdef DEBUG_DMB_TRAP
extern void iterate_pages(unsigned long , unsigned long ,
- void (*)(pte_t * , unsigned long),
+ void (*)(hw_pte_t *, unsigned long),
unsigned long );
- void set_data_memory_break(pte_t * , unsigned long);
+ void set_data_memory_break(hw_pte_t *, unsigned long);
#endif
/* resource map size dictated by pdir_size */
res_size = sba_dev->ioc[i].pdir_size/sizeof(u64); /* entries */
--
2.47.3
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