util: remove support for hex numbers with a scaling suffix

This was deprecated in 6.0 and can now be removed.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

docs/about/deprecated.rst

@@ -58,14 +58,6 @@ and will cause a warning.
 The replacement for the ``nodelay`` short-form boolean option is ``nodelay=on``
 rather than ``delay=off``.
 
-hexadecimal sizes with scaling multipliers (since 6.0)
-''''''''''''''''''''''''''''''''''''''''''''''''''''''
-
-Input parameters that take a size value should only use a size suffix
-(such as 'k' or 'M') when the base is written in decimal, and not when
-the value is hexadecimal.  That is, '0x20M' is deprecated, and should
-be written either as '32M' or as '0x2000000'.
-
 ``-spice password=string`` (since 6.0)
 ''''''''''''''''''''''''''''''''''''''
 

docs/about/removed-features.rst

@@ -408,6 +408,14 @@ pcspk-audiodev=<name>``.
 
 Use ``-device`` instead.
 
+Hexadecimal sizes with scaling multipliers (since 8.0)
+''''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+Input parameters that take a size value should only use a size suffix
+(such as 'k' or 'M') when the base is written in decimal, and not when
+the value is hexadecimal.  That is, '0x20M' should be written either as
+'32M' or as '0x2000000'.
+
 
 QEMU Machine Protocol (QMP) commands
 ------------------------------------

tests/unit/test-cutils.c

@@ -2315,6 +2315,14 @@ static void test_qemu_strtosz_invalid(void)
     g_assert_cmpint(res, ==, 0xbaadf00d);
     g_assert(endptr == str);
 
+    /* No suffixes */
+    str = "0x18M";
+    endptr = NULL;
+    err = qemu_strtosz(str, &endptr, &res);
+    g_assert_cmpint(err, ==, -EINVAL);
+    g_assert_cmpint(res, ==, 0xbaadf00d);
+    g_assert(endptr == str);
+
     /* No negative values */
     str = "-0";
     endptr = NULL;

util/cutils.c

@@ -197,10 +197,8 @@ static int64_t suffix_mul(char suffix, int64_t unit)
  *   fractional portion is truncated to byte
  * - 0x7fEE - hexadecimal, unit determined by @default_suffix
  *
- * The following cause a deprecation warning, and may be removed in the future
- * - 0xabc{kKmMgGtTpP} - hex with scaling suffix
- *
  * The following are intentionally not supported
+ * - hex with scaling suffix, such as 0x20M
  * - octal, such as 08
  * - fractional hex, such as 0x1.8
  * - floating point exponents, such as 1e3
@@ -222,7 +220,6 @@ static int do_strtosz(const char *nptr, const char **end,
     int retval;
     const char *endptr, *f;
     unsigned char c;
-    bool hex = false;
     uint64_t val, valf = 0;
     int64_t mul;
 
@@ -237,17 +234,16 @@ static int do_strtosz(const char *nptr, const char **end,
         goto out;
     }
     if (val == 0 && (*endptr == 'x' || *endptr == 'X')) {
-        /* Input looks like hex, reparse, and insist on no fraction. */
+        /* Input looks like hex; reparse, and insist on no fraction or suffix. */
         retval = qemu_strtou64(nptr, &endptr, 16, &val);
         if (retval) {
             goto out;
         }
-        if (*endptr == '.') {
+        if (*endptr == '.' || suffix_mul(*endptr, unit) > 0) {
             endptr = nptr;
             retval = -EINVAL;
             goto out;
         }
-        hex = true;
     } else if (*endptr == '.') {
         /*
          * Input looks like a fraction.  Make sure even 1.k works
@@ -272,10 +268,6 @@ static int do_strtosz(const char *nptr, const char **end,
     c = *endptr;
     mul = suffix_mul(c, unit);
     if (mul > 0) {
-        if (hex) {
-            warn_report("Using a multiplier suffix on hex numbers "
-                        "is deprecated: %s", nptr);
-        }
         endptr++;
     } else {
         mul = suffix_mul(default_suffix, unit);