On Wed 2018-05-23 12:54:05, Thomas Garnier wrote: > Change the assembly code to use only relative references of symbols for the > kernel to be PIE compatible. > > Position Independent Executable (PIE) support will allow to extended the > KASLR randomization range below the -2G memory limit. > > Signed-off-by: Thomas Garnier <thgarnie@xxxxxxxxxx> Again, was this tested? > diff --git a/arch/x86/power/hibernate_asm_64.S b/arch/x86/power/hibernate_asm_64.S > index ce8da3a0412c..6fdd7bbc3c33 100644 > --- a/arch/x86/power/hibernate_asm_64.S > +++ b/arch/x86/power/hibernate_asm_64.S > @@ -24,7 +24,7 @@ > #include <asm/frame.h> > > ENTRY(swsusp_arch_suspend) > - movq $saved_context, %rax > + leaq saved_context(%rip), %rax > movq %rsp, pt_regs_sp(%rax) > movq %rbp, pt_regs_bp(%rax) > movq %rsi, pt_regs_si(%rax) > @@ -115,7 +115,7 @@ ENTRY(restore_registers) > movq %rax, %cr4; # turn PGE back on > > /* We don't restore %rax, it must be 0 anyway */ > - movq $saved_context, %rax > + leaq saved_context(%rip), %rax > movq pt_regs_sp(%rax), %rsp > movq pt_regs_bp(%rax), %rbp > movq pt_regs_si(%rax), %rsi -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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