cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sync_file_range.c (1160B)

      1// SPDX-License-Identifier: LGPL-2.1
      2/*
      3 * trace/beauty/sync_file_range.c
      4 *
      5 *  Copyright (C) 2019, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
      6 */
      7
      8#include "trace/beauty/beauty.h"
      9#include <linux/log2.h>
     10#include <uapi/linux/fs.h>
     11
     12static size_t sync_file_range__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
     13{
     14#include "trace/beauty/generated/sync_file_range_arrays.c"
     15       static DEFINE_STRARRAY(sync_file_range_flags, "SYNC_FILE_RANGE_");
     16       size_t printed = 0;
     17
     18       if ((flags & SYNC_FILE_RANGE_WRITE_AND_WAIT) == SYNC_FILE_RANGE_WRITE_AND_WAIT) {
     19               printed += scnprintf(bf + printed, size - printed, "%s%s", show_prefix ? "SYNC_FILE_RANGE_" : "", "WRITE_AND_WAIT");
     20	       flags &= ~SYNC_FILE_RANGE_WRITE_AND_WAIT;
     21       }
     22
     23       return printed + strarray__scnprintf_flags(&strarray__sync_file_range_flags, bf + printed, size - printed, show_prefix, flags);
     24}
     25
     26size_t syscall_arg__scnprintf_sync_file_range_flags(char *bf, size_t size, struct syscall_arg *arg)
     27{
     28	unsigned long flags = arg->val;
     29
     30	return sync_file_range__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
     31}