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Bottomley" , Helge Deller , linux-parisc@vger.kernel.org References: <20230228213738.272178-1-willy@infradead.org> <20230228213738.272178-19-willy@infradead.org> <9bb5280e-c875-6eee-b28e-2abc03427e5f@bell.net> In-Reply-To: <9bb5280e-c875-6eee-b28e-2abc03427e5f@bell.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: CFF0A140006 X-Rspam-User: X-Stat-Signature: fkpi173xdjearm4xjwm3fbfbg3g3mry3 X-HE-Tag: 1677789639-904831 X-HE-Meta: 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 UOfgbLZk sUrGprmKdQBk++YZ+C26yvfpz2AG2GtofxSkD4M1/LfKMKCQZwadZqu41Q095PUdk4uSypfVsrZqwxZShUM5WYEukRSyWl9Or3zueTyPFLTEdyTeLGzxT8RXzgWmQW7sKNZFkMbK4Q3pXYb4tSvOTyOrj7L/lKptGlIxfEUg7U2NpK3EJiZkbRsMvQ/UwkQhq9h4OIZfDBy4IiHP6cWmY24esDSppi8RbcCDDmZMuZ2eJL413whRGw6azzKS9WoX0IlPj0QoTJs7C1r4= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 2023-03-02 11:43 a.m., John David Anglin wrote: > On 2023-02-28 4:37 p.m., Matthew Wilcox (Oracle) wrote: >> Add set_ptes(), update_mmu_cache_range(), flush_dcache_folio() >> and flush_icache_pages().  Change the PG_arch_1 (aka PG_dcache_dirty) flag >> from being per-page to per-folio. > I have tested this change on rp3440 at mainline commit e492250d5252635b6c97d52eddf2792ec26f1ec1 > and c8000 at mainline commit ee3f96b164688dae21e2466a57f2e806b64e8a37. Here's another one: ------------[ cut here ]------------ kernel BUG at mm/memory.c:3865! CPU: 1 PID: 6972 Comm: sbuild Not tainted 6.2.0+ #1 Hardware name: 9000/800/rp3440      YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00001000000001101111111100001111 Not tainted r00-03  000000000806ff0f 000000004fab8d40 00000000404584b0 000000004fab8d40 r04-07  0000000040c2f4c0 0000000047fe60c0 000000004fab8b98 0000000000000953 r08-11  000000004de3de00 0000000000000000 0000000047fe60c0 0000004093ff4660 r12-15  0000000000000001 0000000047fe60c0 0000000040000540 000000022f8e9540 r16-19  0000000000000000 000000004c694c40 000000004fab8860 00000000000003d0 r20-23  0000000007be3a40 0000000000000fff 0000000000000000 000000004109f1a0 r24-27  0000000000000000 0000000000000cc0 0000000046de3a68 0000000040c2f4c0 r28-31  80e00000000a0435 000000004fab8df0 000000004fab8e20 0000000000000001 sr00-03  0000000000207c00 0000000000000000 0000000000000000 0000000002f11c00 sr04-07  0000000000000000 0000000000000000 0000000000000000 0000000000000000 IASQ: 0000000000000000 0000000000000000 IAOQ: 000000004045908c 0000000040459090  IIR: 03ffe01f    ISR: 0000000000000000  IOR: 0000000000000000  CPU:        1   CR30: 0000004095d64c20 CR31: ffffffffffffffff  ORIG_R28: 000000001c569ad0  IAOQ[0]: do_swap_page+0x108c/0x1168  IAOQ[1]: do_swap_page+0x1090/0x1168  RP(r2): do_swap_page+0x4b0/0x1168 Backtrace:  [<000000004045a554>] handle_pte_fault+0x244/0x358  [<000000004045c58c>] __handle_mm_fault+0x104/0x1b8  [<000000004045c81c>] handle_mm_fault+0x1dc/0x318  [<000000004044cb38>] faultin_page+0xa8/0x178  [<000000004044e848>] __get_user_pages+0x328/0x560  [<0000000040450ac4>] get_dump_page+0x9c/0x128  [<0000000040596cb8>] dump_user_range+0xc0/0x2d8  [<000000004058e790>] elf_core_dump+0x5f8/0x708  [<0000000040596384>] do_coredump+0xc2c/0x14a0  [<0000000040259040>] get_signal+0x4a8/0xb60  [<000000004021a570>] do_signal+0x50/0x228  [<000000004021ab38>] do_notify_resume+0x68/0x150  [<0000000040203ee0>] syscall_do_signal+0x54/0xa0 CPU: 1 PID: 6972 Comm: sbuild Not tainted 6.2.0+ #1 Hardware name: 9000/800/rp3440 Backtrace:  [<000000004020af50>] show_stack+0x70/0x90  [<0000000040b7d408>] dump_stack_lvl+0xd8/0x128  [<0000000040b7d48c>] dump_stack+0x34/0x48  [<000000004020b160>] die_if_kernel+0x1d0/0x388  [<000000004020c1c4>] handle_interruption+0xc34/0xc88  [<000000004020307c>] intr_check_sig+0x0/0x3c ---[ end trace 0000000000000000 ]--- note: sbuild[6972] exited with preempt_count 1 Dave -- John David Anglin dave.anglin@bell.net