Merge tag 'pm-urgent-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki: "Fix a nasty (and really hard to debug) memory corruption during resume from hibernation on x86-64 (that leads to a kernel panic most of the time) due to the use of a stale stack pointer value in FRAME_BEGIN (Josh Poimboeuf)" * tag 'pm-urgent-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: x86/power/64: Fix hibernation return address corruption
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@@ -24,7 +24,6 @@
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#include <asm/frame.h>
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ENTRY(swsusp_arch_suspend)
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FRAME_BEGIN
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movq $saved_context, %rax
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movq %rsp, pt_regs_sp(%rax)
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movq %rbp, pt_regs_bp(%rax)
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@@ -48,6 +47,7 @@ ENTRY(swsusp_arch_suspend)
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movq %cr3, %rax
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movq %rax, restore_cr3(%rip)
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FRAME_BEGIN
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call swsusp_save
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FRAME_END
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ret
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@@ -104,7 +104,6 @@ ENTRY(core_restore_code)
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/* code below belongs to the image kernel */
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.align PAGE_SIZE
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ENTRY(restore_registers)
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FRAME_BEGIN
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/* go back to the original page tables */
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movq %r9, %cr3
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@@ -145,6 +144,5 @@ ENTRY(restore_registers)
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/* tell the hibernation core that we've just restored the memory */
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movq %rax, in_suspend(%rip)
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FRAME_END
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ret
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ENDPROC(restore_registers)
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