Shaohua Li 342fcebe9e x86-32, resume: do a global tlb flush in S4 resume ... commit 8ae06d223f upstream. Colin King reported a strange oops in S4 resume code path (see below). The test system has i5/i7 CPU. The kernel doesn't open PAE, so 4M page table is used. The oops always happen a virtual address 0xc03ff000, which is mapped to the last 4k of first 4M memory. Doing a global tlb flush fixes the issue. EIP: 0060:[<c0493a01>] EFLAGS: 00010086 CPU: 0 EIP is at copy_loop+0xe/0x15 EAX: 36aeb000 EBX: 00000000 ECX: 00000400 EDX: f55ad46c ESI: 0f800000 EDI: c03ff000 EBP: f67fbec4 ESP: f67fbea8 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 ... ... CR2: 00000000c03ff000 Tested-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Shaohua Li <shaohua.li@intel.com> LKML-Reference: <20100305005932.GA22675@sli10-desk.sh.intel.com> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>		2010-04-26 07:41:24 -07:00
..
cpu.c	x86: Remove final bits of CONFIG_X86_OLD_MCE	2009-09-18 08:31:23 +02:00
hibernate_32.c	x86, hibernate: fix breakage on x86_32 with CONFIG_NUMA set	2008-11-12 23:28:51 +01:00
hibernate_64.c	pm: rework includes, remove arch ifdefs	2009-04-01 08:59:16 -07:00
hibernate_asm_32.S	x86-32, resume: do a global tlb flush in S4 resume	2010-04-26 07:41:24 -07:00
hibernate_asm_64.S	x86: use _types.h headers in asm where available	2009-02-13 11:35:01 -08:00
Makefile	x86: Fix resume from suspend when CONFIG_CC_STACKPROTECTOR	2009-07-08 13:20:13 +02:00