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kill coredump_params->regs

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it's always task_pt_regs(current)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-06-08 12:25:39 -04:00
parent 6a542d1d5f
commit 9a938eba8d
3 changed files with 2 additions and 4 deletions
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4
fs/binfmt_elf.c
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@ -2082,7 +2082,7 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
/* now collect the dump for the current */
memset(info->prstatus, 0, sizeof(*info->prstatus));
fill_prstatus(&info->prstatus->common, current, cprm->siginfo->si_signo);
elf_core_copy_regs(&info->prstatus->pr_reg, cprm->regs);
elf_core_copy_regs(&info->prstatus->pr_reg, task_pt_regs(current));
/* Set up header */
fill_elf_header(elf, phdrs, ELF_ARCH, ELF_CORE_EFLAGS);
@ -2109,7 +2109,7 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
/* Try to dump the FPU. */
info->prstatus->pr_fpvalid =
elf_core_copy_task_fpregs(current, cprm->regs, info->fpu);
elf_core_copy_task_fpregs(current, task_pt_regs(current), info->fpu);
if (info->prstatus->pr_fpvalid)
fill_note(info->notes + info->numnote++,
"CORE", NT_PRFPREG, sizeof(*info->fpu), info->fpu);

1
fs/coredump.c
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@ -525,7 +525,6 @@ void do_coredump(const kernel_siginfo_t *siginfo)
static atomic_t core_dump_count = ATOMIC_INIT(0);
struct coredump_params cprm = {
.siginfo = siginfo,
.regs = task_pt_regs(current),
.limit = rlimit(RLIMIT_CORE),
/*
* We must use the same mm->flags while dumping core to avoid

1
include/linux/coredump.h
View File

@ -18,7 +18,6 @@ struct core_vma_metadata {
struct coredump_params {
const kernel_siginfo_t *siginfo;
struct pt_regs *regs;
struct file *file;
unsigned long limit;
unsigned long mm_flags;