Commit-ID: 4d68c3d0ecd5fcba8876e8a58ac41ffb360de43e Gitweb: https://git.kernel.org/tip/4d68c3d0ecd5fcba8876e8a58ac41ffb360de43e Author: Thomas Gleixner <[email protected]> AuthorDate: Sun, 14 Apr 2019 17:59:54 +0200 Committer: Borislav Petkov <[email protected]> CommitDate: Wed, 17 Apr 2019 14:44:17 +0200
x86/cpu: Remove orig_ist array All users gone. Signed-off-by: Thomas Gleixner <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: "Chang S. Bae" <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Dominik Brodowski <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Kosina <[email protected]> Cc: Josh Poimboeuf <[email protected]> Cc: Juergen Gross <[email protected]> Cc: Konrad Rzeszutek Wilk <[email protected]> Cc: Nick Desaulniers <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Pingfan Liu <[email protected]> Cc: Pu Wen <[email protected]> Cc: Sean Christopherson <[email protected]> Cc: Vlastimil Babka <[email protected]> Cc: x86-ml <[email protected]> Link: https://lkml.kernel.org/r/[email protected] --- arch/x86/include/asm/processor.h | 9 --------- arch/x86/kernel/cpu/common.c | 6 ------ 2 files changed, 15 deletions(-) diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 2bb3a648fc12..8fcfcd1a8375 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -374,16 +374,7 @@ DECLARE_PER_CPU(unsigned long, cpu_current_top_of_stack); #define cpu_current_top_of_stack cpu_tss_rw.x86_tss.sp1 #endif -/* - * Save the original ist values for checking stack pointers during debugging - */ -struct orig_ist { - unsigned long ist[7]; -}; - #ifdef CONFIG_X86_64 -DECLARE_PER_CPU(struct orig_ist, orig_ist); - union irq_stack_union { char irq_stack[IRQ_STACK_SIZE]; /* diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 4b01b71415f5..8243f198fb7f 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1549,12 +1549,6 @@ void syscall_init(void) X86_EFLAGS_IOPL|X86_EFLAGS_AC|X86_EFLAGS_NT); } -/* - * Copies of the original ist values from the tss are only accessed during - * debugging, no special alignment required. - */ -DEFINE_PER_CPU(struct orig_ist, orig_ist); - static DEFINE_PER_CPU(unsigned long, debug_stack_addr); DEFINE_PER_CPU(int, debug_stack_usage);
