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Searched refs:buftail (Results 1 – 6 of 6) sorted by relevance

/linux-6.3-rc2/arch/arm64/kernel/
A Dperf_callchain.c26 struct frame_tail buftail; in user_backtrace() local
31 if (!access_ok(tail, sizeof(buftail))) in user_backtrace()
35 err = __copy_from_user_inatomic(&buftail, tail, sizeof(buftail)); in user_backtrace()
41 lr = ptrauth_strip_insn_pac(buftail.lr); in user_backtrace()
49 if (tail >= buftail.fp) in user_backtrace()
52 return buftail.fp; in user_backtrace()
74 struct compat_frame_tail buftail; in compat_user_backtrace() local
78 if (!access_ok(tail, sizeof(buftail))) in compat_user_backtrace()
82 err = __copy_from_user_inatomic(&buftail, tail, sizeof(buftail)); in compat_user_backtrace()
88 perf_callchain_store(entry, buftail.lr); in compat_user_backtrace()
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/linux-6.3-rc2/arch/arm/kernel/
A Dperf_callchain.c37 struct frame_tail buftail; in user_backtrace() local
40 if (!access_ok(tail, sizeof(buftail))) in user_backtrace()
44 err = __copy_from_user_inatomic(&buftail, tail, sizeof(buftail)); in user_backtrace()
50 perf_callchain_store(entry, buftail.lr); in user_backtrace()
56 if (tail + 1 >= buftail.fp) in user_backtrace()
59 return buftail.fp - 1; in user_backtrace()
/linux-6.3-rc2/arch/riscv/kernel/
A Dperf_callchain.c16 struct stackframe buftail; in user_backtrace() local
22 if (!access_ok(user_frame_tail, sizeof(buftail))) in user_backtrace()
24 if (__copy_from_user_inatomic(&buftail, user_frame_tail, in user_backtrace()
25 sizeof(buftail))) in user_backtrace()
31 ra = buftail.ra; in user_backtrace()
33 fp = buftail.fp; in user_backtrace()
/linux-6.3-rc2/arch/csky/kernel/
A Dperf_callchain.c50 struct stackframe buftail; in user_backtrace() local
55 if (!access_ok(user_frame_tail, sizeof(buftail))) in user_backtrace()
57 if (__copy_from_user_inatomic(&buftail, user_frame_tail, in user_backtrace()
58 sizeof(buftail))) in user_backtrace()
64 lr = buftail.lr; in user_backtrace()
66 fp = buftail.fp; in user_backtrace()
/linux-6.3-rc2/arch/loongarch/kernel/
A Dperf_event.c35 struct stack_frame buftail; in user_backtrace() local
40 if (!access_ok(user_frame_tail, sizeof(buftail))) in user_backtrace()
44 err = __copy_from_user_inatomic(&buftail, user_frame_tail, sizeof(buftail)); in user_backtrace()
47 if (err || (unsigned long)user_frame_tail >= buftail.fp) in user_backtrace()
50 perf_callchain_store(entry, buftail.ra); in user_backtrace()
52 return buftail.fp; in user_backtrace()
/linux-6.3-rc2/drivers/usb/gadget/udc/
A Dgr_udc.c309 char *buftail = ((char *)req->req.buf + req->evenlen); in gr_finish_request() local
311 memcpy(buftail, ep->tailbuf, req->oddlen); in gr_finish_request()

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