mirror of https://github.com/OpenIPC/firmware.git
21 lines
957 B
Diff
21 lines
957 B
Diff
diff -drupN a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
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--- a/arch/x86/mm/fault.c 2018-08-06 17:23:04.000000000 +0300
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+++ b/arch/x86/mm/fault.c 2022-06-12 05:28:14.000000000 +0300
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@@ -759,7 +759,6 @@ no_context(struct pt_regs *regs, unsigne
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if (is_vmalloc_addr((void *)address) &&
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(((unsigned long)tsk->stack - 1 - address < PAGE_SIZE) ||
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address - ((unsigned long)tsk->stack + THREAD_SIZE) < PAGE_SIZE)) {
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- register void *__sp asm("rsp");
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unsigned long stack = this_cpu_read(orig_ist.ist[DOUBLEFAULT_STACK]) - sizeof(void *);
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/*
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* We're likely to be running with very little stack space
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@@ -774,7 +773,7 @@ no_context(struct pt_regs *regs, unsigne
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asm volatile ("movq %[stack], %%rsp\n\t"
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"call handle_stack_overflow\n\t"
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"1: jmp 1b"
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- : "+r" (__sp)
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+ : ASM_CALL_CONSTRAINT
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: "D" ("kernel stack overflow (page fault)"),
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"S" (regs), "d" (address),
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[stack] "rm" (stack));
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