| From: David Hildenbrand <david@redhat.com> |
| Date: Tue, 7 Sep 2021 19:55:14 -0700 |
| Subject: ACPI: memhotplug: memory resources cannot be enabled yet |
| Patch-mainline: v5.15-rc1 |
| Git-commit: 35ba0cd5290b2f1f92e1f0eb6de7ce7979f79728 |
| References: jsc#SLE-19223 |
| |
| We allocate + initialize everything from scratch. In case enabling the |
| device fails, we free all memory resourcs. |
| |
| Link: https://lkml.kernel.org/r/20210712124052.26491-5-david@redhat.com |
| Signed-off-by: David Hildenbrand <david@redhat.com> |
| Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
| Reviewed-by: Oscar Salvador <osalvador@suse.de> |
| Reviewed-by: Pankaj Gupta <pankaj.gupta@ionos.com> |
| Cc: Andy Lutomirski <luto@kernel.org> |
| Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com> |
| Cc: Anshuman Khandual <anshuman.khandual@arm.com> |
| Cc: Anton Blanchard <anton@ozlabs.org> |
| Cc: Ard Biesheuvel <ardb@kernel.org> |
| Cc: Baoquan He <bhe@redhat.com> |
| Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> |
| Cc: Borislav Petkov <bp@alien8.de> |
| Cc: Catalin Marinas <catalin.marinas@arm.com> |
| Cc: Christian Borntraeger <borntraeger@de.ibm.com> |
| Cc: Christophe Leroy <christophe.leroy@c-s.fr> |
| Cc: Dan Williams <dan.j.williams@intel.com> |
| Cc: Dave Hansen <dave.hansen@linux.intel.com> |
| Cc: Dave Jiang <dave.jiang@intel.com> |
| Cc: Heiko Carstens <hca@linux.ibm.com> |
| Cc: "H. Peter Anvin" <hpa@zytor.com> |
| Cc: Ingo Molnar <mingo@redhat.com> |
| Cc: Jason Wang <jasowang@redhat.com> |
| Cc: Jia He <justin.he@arm.com> |
| Cc: Joe Perches <joe@perches.com> |
| Cc: Kefeng Wang <wangkefeng.wang@huawei.com> |
| Cc: Laurent Dufour <ldufour@linux.ibm.com> |
| Cc: Len Brown <lenb@kernel.org> |
| Cc: Michael Ellerman <mpe@ellerman.id.au> |
| Cc: "Michael S. Tsirkin" <mst@redhat.com> |
| Cc: Michal Hocko <mhocko@kernel.org> |
| Cc: Michel Lespinasse <michel@lespinasse.org> |
| Cc: Mike Rapoport <rppt@kernel.org> |
| Cc: Nathan Lynch <nathanl@linux.ibm.com> |
| Cc: Nicholas Piggin <npiggin@gmail.com> |
| Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com> |
| Cc: Paul Mackerras <paulus@samba.org> |
| Cc: Pavel Tatashin <pasha.tatashin@soleen.com> |
| Cc: Peter Zijlstra <peterz@infradead.org> |
| Cc: Pierre Morel <pmorel@linux.ibm.com> |
| Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> |
| Cc: Rich Felker <dalias@libc.org> |
| Cc: Scott Cheloha <cheloha@linux.ibm.com> |
| Cc: Sergei Trofimovich <slyfox@gentoo.org> |
| Cc: Thiago Jung Bauermann <bauerman@linux.ibm.com> |
| Cc: Thomas Gleixner <tglx@linutronix.de> |
| Cc: Vasily Gorbik <gor@linux.ibm.com> |
| Cc: Vishal Verma <vishal.l.verma@intel.com> |
| Cc: Vitaly Kuznetsov <vkuznets@redhat.com> |
| Cc: Vlastimil Babka <vbabka@suse.cz> |
| Cc: Wei Yang <richard.weiyang@linux.alibaba.com> |
| Cc: Will Deacon <will@kernel.org> |
| Cc: Yoshinori Sato <ysato@users.sourceforge.jp> |
| Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
| Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
| Acked-by: Lee, Chun-Yi <jlee@suse.com> |
| |
| drivers/acpi/acpi_memhotplug.c | 4 ---- |
| 1 file changed, 4 deletions(-) |
| |
| |
| |
| @@ -182,10 +182,6 @@ static int acpi_memory_enable_device(str |
| * (i.e. memory-hot-remove function) |
| */ |
| list_for_each_entry(info, &mem_device->res_list, list) { |
| - if (info->enabled) { /* just sanity check...*/ |
| - num_enabled++; |
| - continue; |
| - } |
| /* |
| * If the memory block size is zero, please ignore it. |
| * Don't try to do the following memory hotplug flowchart. |