mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
synced 2024-10-01 01:35:54 -04:00
102 lines
3.5 KiB
Diff
102 lines
3.5 KiB
Diff
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diff --git a/arch/x86/include/asm/page_32_types.h b/arch/x86/include/asm/page_32_types.h
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index ef17af0..4376b45 100644
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--- a/arch/x86/include/asm/page_32_types.h
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+++ b/arch/x86/include/asm/page_32_types.h
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@@ -18,7 +18,6 @@
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#define THREAD_SIZE_ORDER 1
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#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
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-#define STACKFAULT_STACK 0
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#define DOUBLEFAULT_STACK 1
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#define NMI_STACK 0
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#define DEBUG_STACK 0
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diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
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index 6c896fb..970f309 100644
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--- a/arch/x86/include/asm/page_64_types.h
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+++ b/arch/x86/include/asm/page_64_types.h
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@@ -14,12 +14,11 @@
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#define IRQ_STACK_ORDER 2
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#define IRQ_STACK_SIZE (PAGE_SIZE << IRQ_STACK_ORDER)
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-#define STACKFAULT_STACK 1
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-#define DOUBLEFAULT_STACK 2
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-#define NMI_STACK 3
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-#define DEBUG_STACK 4
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-#define MCE_STACK 5
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-#define N_EXCEPTION_STACKS 5 /* hw limit: 7 */
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+#define DOUBLEFAULT_STACK 1
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+#define NMI_STACK 2
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+#define DEBUG_STACK 3
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+#define MCE_STACK 4
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+#define N_EXCEPTION_STACKS 4 /* hw limit: 7 */
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#define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT)
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#define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1))
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diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
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index addb207..66e274a 100644
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--- a/arch/x86/kernel/dumpstack_64.c
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+++ b/arch/x86/kernel/dumpstack_64.c
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@@ -24,7 +24,6 @@
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[ DEBUG_STACK-1 ] = "#DB",
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[ NMI_STACK-1 ] = "NMI",
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[ DOUBLEFAULT_STACK-1 ] = "#DF",
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- [ STACKFAULT_STACK-1 ] = "#SS",
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[ MCE_STACK-1 ] = "#MC",
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#if DEBUG_STKSZ > EXCEPTION_STKSZ
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[ N_EXCEPTION_STACKS ...
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diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
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index 1a454d0..50e5e59 100644
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--- a/arch/x86/kernel/entry_64.S
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+++ b/arch/x86/kernel/entry_64.S
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@@ -1503,7 +1503,7 @@
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paranoidzeroentry_ist debug do_debug DEBUG_STACK
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paranoidzeroentry_ist int3 do_int3 DEBUG_STACK
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-paranoiderrorentry stack_segment do_stack_segment
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+errorentry stack_segment do_stack_segment
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#ifdef CONFIG_XEN
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zeroentry xen_debug do_debug
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zeroentry xen_int3 do_int3
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diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
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index 74e0801..00a2873 100644
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--- a/arch/x86/kernel/traps.c
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+++ b/arch/x86/kernel/traps.c
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@@ -220,28 +220,12 @@
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coprocessor_segment_overrun)
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DO_ERROR(X86_TRAP_TS, SIGSEGV, "invalid TSS", invalid_TSS)
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DO_ERROR(X86_TRAP_NP, SIGBUS, "segment not present", segment_not_present)
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-#ifdef CONFIG_X86_32
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DO_ERROR(X86_TRAP_SS, SIGBUS, "stack segment", stack_segment)
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-#endif
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DO_ERROR_INFO(X86_TRAP_AC, SIGBUS, "alignment check", alignment_check,
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BUS_ADRALN, 0)
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#ifdef CONFIG_X86_64
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/* Runs on IST stack */
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-dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code)
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-{
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- enum ctx_state prev_state;
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-
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- prev_state = exception_enter();
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- if (notify_die(DIE_TRAP, "stack segment", regs, error_code,
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- X86_TRAP_SS, SIGBUS) != NOTIFY_STOP) {
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- preempt_conditional_sti(regs);
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- do_trap(X86_TRAP_SS, SIGBUS, "stack segment", regs, error_code, NULL);
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- preempt_conditional_cli(regs);
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- }
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- exception_exit(prev_state);
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-}
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-
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dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code)
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{
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static const char str[] = "double fault";
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@@ -769,7 +753,7 @@
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set_intr_gate(X86_TRAP_OLD_MF, &coprocessor_segment_overrun);
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set_intr_gate(X86_TRAP_TS, &invalid_TSS);
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set_intr_gate(X86_TRAP_NP, &segment_not_present);
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- set_intr_gate_ist(X86_TRAP_SS, &stack_segment, STACKFAULT_STACK);
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+ set_intr_gate(X86_TRAP_SS, stack_segment);
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set_intr_gate(X86_TRAP_GP, &general_protection);
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set_intr_gate(X86_TRAP_SPURIOUS, &spurious_interrupt_bug);
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set_intr_gate(X86_TRAP_MF, &coprocessor_error);
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