kernel: remove support for kernel 4.9

[openwrt/staging/dedeckeh.git] / target / linux / generic / pending-4.9 / 203-kallsyms_uncompressed.patch

diff --git a/target/linux/generic/pending-4.9/203-kallsyms_uncompressed.patch b/target/linux/generic/pending-4.9/203-kallsyms_uncompressed.patch
deleted file mode 100644 (file)
index 9bc8055..0000000
--- a/target/linux/generic/pending-4.9/203-kallsyms_uncompressed.patch
+++ /dev/null
@@ -1,119 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Subject: kernel: add a config option for keeping the kallsyms table uncompressed, saving ~9kb kernel size after lzma on ar71xx
-
-[john@phrozen.org: added to my upstream queue 30.12.2016]
-lede-commit: e0e3509b5ce2ccf93d4d67ea907613f5f7ec2eed
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
- init/Kconfig            | 11 +++++++++++
- kernel/kallsyms.c       |  8 ++++++++
- scripts/kallsyms.c      | 12 ++++++++++++
- scripts/link-vmlinux.sh |  4 ++++
- 4 files changed, 35 insertions(+)
-
---- a/init/Kconfig
-+++ b/init/Kconfig
-@@ -1370,6 +1370,17 @@ config SYSCTL_ARCH_UNALIGN_ALLOW
-         the unaligned access emulation.
-         see arch/parisc/kernel/unaligned.c for reference
- 
-+config KALLSYMS_UNCOMPRESSED
-+      bool "Keep kallsyms uncompressed"
-+      depends on KALLSYMS
-+      help
-+              Normally kallsyms contains compressed symbols (using a token table),
-+              reducing the uncompressed kernel image size. Keeping the symbol table
-+              uncompressed significantly improves the size of this part in compressed
-+              kernel images.
-+
-+              Say N unless you need compressed kernel images to be small.
-+
- config HAVE_PCSPKR_PLATFORM
-       bool
- 
---- a/kernel/kallsyms.c
-+++ b/kernel/kallsyms.c
-@@ -113,6 +113,11 @@ static unsigned int kallsyms_expand_symb
-        * For every byte on the compressed symbol data, copy the table
-        * entry for that byte.
-        */
-+#ifdef CONFIG_KALLSYMS_UNCOMPRESSED
-+      memcpy(result, data + 1, len - 1);
-+      result += len - 1;
-+      len = 0;
-+#endif
-       while (len) {
-               tptr = &kallsyms_token_table[kallsyms_token_index[*data]];
-               data++;
-@@ -145,6 +150,9 @@ tail:
-  */
- static char kallsyms_get_symbol_type(unsigned int off)
- {
-+#ifdef CONFIG_KALLSYMS_UNCOMPRESSED
-+      return kallsyms_names[off + 1];
-+#endif
-       /*
-        * Get just the first code, look it up in the token table,
-        * and return the first char from this token.
---- a/scripts/kallsyms.c
-+++ b/scripts/kallsyms.c
-@@ -61,6 +61,7 @@ static struct addr_range percpu_range =
- static struct sym_entry *table;
- static unsigned int table_size, table_cnt;
- static int all_symbols = 0;
-+static int uncompressed = 0;
- static int absolute_percpu = 0;
- static char symbol_prefix_char = '\0';
- static int base_relative = 0;
-@@ -449,6 +450,9 @@ static void write_src(void)
- 
-       free(markers);
- 
-+      if (uncompressed)
-+              return;
-+
-       output_label("kallsyms_token_table");
-       off = 0;
-       for (i = 0; i < 256; i++) {
-@@ -509,6 +513,9 @@ static void *find_token(unsigned char *s
- {
-       int i;
- 
-+      if (uncompressed)
-+              return NULL;
-+
-       for (i = 0; i < len - 1; i++) {
-               if (str[i] == token[0] && str[i+1] == token[1])
-                       return &str[i];
-@@ -581,6 +588,9 @@ static void optimize_result(void)
- {
-       int i, best;
- 
-+      if (uncompressed)
-+              return;
-+
-       /* using the '\0' symbol last allows compress_symbols to use standard
-        * fast string functions */
-       for (i = 255; i >= 0; i--) {
-@@ -769,6 +779,8 @@ int main(int argc, char **argv)
-                               symbol_prefix_char = *p;
-                       } else if (strcmp(argv[i], "--base-relative") == 0)
-                               base_relative = 1;
-+                      else if (strcmp(argv[i], "--uncompressed") == 0)
-+                              uncompressed = 1;
-                       else
-                               usage();
-               }
---- a/scripts/link-vmlinux.sh
-+++ b/scripts/link-vmlinux.sh
-@@ -136,6 +136,10 @@ kallsyms()
-               kallsymopt="${kallsymopt} --base-relative"
-       fi
- 
-+      if [ -n "${CONFIG_KALLSYMS_UNCOMPRESSED}" ]; then
-+              kallsymopt="${kallsymopt} --uncompressed"
-+      fi
-+
-       local aflags="${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL}               \
-                     ${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS}"
-