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Revert "x86/alternative: Print unadorned pointers"

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This reverts commit 67eb59b8ec.

It's not needed in 4.14.y and only causes messy debugging messages, if
anyone actually cares about these random debug messages in the first
place (doubtful).

Reported-by: Kees Cook <keescook@google.com>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: riel@redhat.com
Cc: ak@linux.intel.com
Cc: peterz@infradead.org
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: jikos@kernel.org
Cc: luto@amacapital.net
Cc: dave.hansen@intel.com
Cc: torvalds@linux-foundation.org
Cc: keescook@google.com
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: tim.c.chen@linux.intel.com
Cc: gregkh@linux-foundation.org
Cc: pjt@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2018-02-13 10:14:14 +01:00
parent 22f16a74c4
commit d2aeb4e2bd
1 changed files with 7 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
arch/x86/kernel/alternative.c
View file

@ -287,7 +287,7 @@ recompute_jump(struct alt_instr *a, u8 *orig_insn, u8 *repl_insn, u8 *insnbuf)
tgt_rip = next_rip + o_dspl;
n_dspl = tgt_rip - orig_insn;
DPRINTK("target RIP: %px, new_displ: 0x%x", tgt_rip, n_dspl);
DPRINTK("target RIP: %p, new_displ: 0x%x", tgt_rip, n_dspl);
if (tgt_rip - orig_insn >= 0) {
if (n_dspl - 2 <= 127)
@ -344,7 +344,7 @@ static void __init_or_module noinline optimize_nops(struct alt_instr *a, u8 *ins
add_nops(instr + (a->instrlen - a->padlen), a->padlen);
local_irq_restore(flags);
DUMP_BYTES(instr, a->instrlen, "%px: [%d:%d) optimized NOPs: ",
DUMP_BYTES(instr, a->instrlen, "%p: [%d:%d) optimized NOPs: ",
instr, a->instrlen - a->padlen, a->padlen);
}
@ -365,7 +365,7 @@ void __init_or_module noinline apply_alternatives(struct alt_instr *start,
u8 *instr, *replacement;
u8 insnbuf[MAX_PATCH_LEN];
DPRINTK("alt table %px, -> %px", start, end);
DPRINTK("alt table %p -> %p", start, end);
/*
* The scan order should be from start to end. A later scanned
* alternative code can overwrite previously scanned alternative code.
@ -389,14 +389,14 @@ void __init_or_module noinline apply_alternatives(struct alt_instr *start,
continue;
}
DPRINTK("feat: %d*32+%d, old: (%px len: %d), repl: (%px, len: %d), pad: %d",
DPRINTK("feat: %d*32+%d, old: (%p, len: %d), repl: (%p, len: %d), pad: %d",
a->cpuid >> 5,
a->cpuid & 0x1f,
instr, a->instrlen,
replacement, a->replacementlen, a->padlen);
DUMP_BYTES(instr, a->instrlen, "%px: old_insn: ", instr);
DUMP_BYTES(replacement, a->replacementlen, "%px: rpl_insn: ", replacement);
DUMP_BYTES(instr, a->instrlen, "%p: old_insn: ", instr);
DUMP_BYTES(replacement, a->replacementlen, "%p: rpl_insn: ", replacement);
memcpy(insnbuf, replacement, a->replacementlen);
insnbuf_sz = a->replacementlen;
@ -422,7 +422,7 @@ void __init_or_module noinline apply_alternatives(struct alt_instr *start,
a->instrlen - a->replacementlen);
insnbuf_sz += a->instrlen - a->replacementlen;
}
DUMP_BYTES(insnbuf, insnbuf_sz, "%px: final_insn: ", instr);
DUMP_BYTES(insnbuf, insnbuf_sz, "%p: final_insn: ", instr);
text_poke_early(instr, insnbuf, insnbuf_sz);
}