diff options
author | Ingo Molnar <mingo@kernel.org> | 2015-03-23 06:13:15 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2015-03-23 06:13:15 -0400 |
commit | e4518ab90f63cd5bea3ddc15341162debc34442b (patch) | |
tree | fcefaeced9562de840bbf11ec2ffc95e1d9a571f /arch/x86/boot | |
parent | c56716af8d27ca8dd6e45445ae1c0a05fd9753a6 (diff) | |
parent | bc465aa9d045feb0e13b4a8f32cc33c1943f62d6 (diff) |
Merge tag 'v4.0-rc5' into x86/asm, to resolve conflicts
Conflicts:
arch/x86/kernel/entry_64.S
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/boot')
-rw-r--r-- | arch/x86/boot/compressed/aslr.c | 34 | ||||
-rw-r--r-- | arch/x86/boot/compressed/misc.c | 3 | ||||
-rw-r--r-- | arch/x86/boot/compressed/misc.h | 6 |
3 files changed, 4 insertions, 39 deletions
diff --git a/arch/x86/boot/compressed/aslr.c b/arch/x86/boot/compressed/aslr.c index 7083c16cccba..bb1376381985 100644 --- a/arch/x86/boot/compressed/aslr.c +++ b/arch/x86/boot/compressed/aslr.c | |||
@@ -14,13 +14,6 @@ | |||
14 | static const char build_str[] = UTS_RELEASE " (" LINUX_COMPILE_BY "@" | 14 | static const char build_str[] = UTS_RELEASE " (" LINUX_COMPILE_BY "@" |
15 | LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION; | 15 | LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION; |
16 | 16 | ||
17 | struct kaslr_setup_data { | ||
18 | __u64 next; | ||
19 | __u32 type; | ||
20 | __u32 len; | ||
21 | __u8 data[1]; | ||
22 | } kaslr_setup_data; | ||
23 | |||
24 | #define I8254_PORT_CONTROL 0x43 | 17 | #define I8254_PORT_CONTROL 0x43 |
25 | #define I8254_PORT_COUNTER0 0x40 | 18 | #define I8254_PORT_COUNTER0 0x40 |
26 | #define I8254_CMD_READBACK 0xC0 | 19 | #define I8254_CMD_READBACK 0xC0 |
@@ -302,29 +295,7 @@ static unsigned long find_random_addr(unsigned long minimum, | |||
302 | return slots_fetch_random(); | 295 | return slots_fetch_random(); |
303 | } | 296 | } |
304 | 297 | ||
305 | static void add_kaslr_setup_data(struct boot_params *params, __u8 enabled) | 298 | unsigned char *choose_kernel_location(unsigned char *input, |
306 | { | ||
307 | struct setup_data *data; | ||
308 | |||
309 | kaslr_setup_data.type = SETUP_KASLR; | ||
310 | kaslr_setup_data.len = 1; | ||
311 | kaslr_setup_data.next = 0; | ||
312 | kaslr_setup_data.data[0] = enabled; | ||
313 | |||
314 | data = (struct setup_data *)(unsigned long)params->hdr.setup_data; | ||
315 | |||
316 | while (data && data->next) | ||
317 | data = (struct setup_data *)(unsigned long)data->next; | ||
318 | |||
319 | if (data) | ||
320 | data->next = (unsigned long)&kaslr_setup_data; | ||
321 | else | ||
322 | params->hdr.setup_data = (unsigned long)&kaslr_setup_data; | ||
323 | |||
324 | } | ||
325 | |||
326 | unsigned char *choose_kernel_location(struct boot_params *params, | ||
327 | unsigned char *input, | ||
328 | unsigned long input_size, | 299 | unsigned long input_size, |
329 | unsigned char *output, | 300 | unsigned char *output, |
330 | unsigned long output_size) | 301 | unsigned long output_size) |
@@ -335,17 +306,14 @@ unsigned char *choose_kernel_location(struct boot_params *params, | |||
335 | #ifdef CONFIG_HIBERNATION | 306 | #ifdef CONFIG_HIBERNATION |
336 | if (!cmdline_find_option_bool("kaslr")) { | 307 | if (!cmdline_find_option_bool("kaslr")) { |
337 | debug_putstr("KASLR disabled by default...\n"); | 308 | debug_putstr("KASLR disabled by default...\n"); |
338 | add_kaslr_setup_data(params, 0); | ||
339 | goto out; | 309 | goto out; |
340 | } | 310 | } |
341 | #else | 311 | #else |
342 | if (cmdline_find_option_bool("nokaslr")) { | 312 | if (cmdline_find_option_bool("nokaslr")) { |
343 | debug_putstr("KASLR disabled by cmdline...\n"); | 313 | debug_putstr("KASLR disabled by cmdline...\n"); |
344 | add_kaslr_setup_data(params, 0); | ||
345 | goto out; | 314 | goto out; |
346 | } | 315 | } |
347 | #endif | 316 | #endif |
348 | add_kaslr_setup_data(params, 1); | ||
349 | 317 | ||
350 | /* Record the various known unsafe memory ranges. */ | 318 | /* Record the various known unsafe memory ranges. */ |
351 | mem_avoid_init((unsigned long)input, input_size, | 319 | mem_avoid_init((unsigned long)input, input_size, |
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index 5903089c818f..a950864a64da 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c | |||
@@ -401,8 +401,7 @@ asmlinkage __visible void *decompress_kernel(void *rmode, memptr heap, | |||
401 | * the entire decompressed kernel plus relocation table, or the | 401 | * the entire decompressed kernel plus relocation table, or the |
402 | * entire decompressed kernel plus .bss and .brk sections. | 402 | * entire decompressed kernel plus .bss and .brk sections. |
403 | */ | 403 | */ |
404 | output = choose_kernel_location(real_mode, input_data, input_len, | 404 | output = choose_kernel_location(input_data, input_len, output, |
405 | output, | ||
406 | output_len > run_size ? output_len | 405 | output_len > run_size ? output_len |
407 | : run_size); | 406 | : run_size); |
408 | 407 | ||
diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h index ee3576b2666b..04477d68403f 100644 --- a/arch/x86/boot/compressed/misc.h +++ b/arch/x86/boot/compressed/misc.h | |||
@@ -57,8 +57,7 @@ int cmdline_find_option_bool(const char *option); | |||
57 | 57 | ||
58 | #if CONFIG_RANDOMIZE_BASE | 58 | #if CONFIG_RANDOMIZE_BASE |
59 | /* aslr.c */ | 59 | /* aslr.c */ |
60 | unsigned char *choose_kernel_location(struct boot_params *params, | 60 | unsigned char *choose_kernel_location(unsigned char *input, |
61 | unsigned char *input, | ||
62 | unsigned long input_size, | 61 | unsigned long input_size, |
63 | unsigned char *output, | 62 | unsigned char *output, |
64 | unsigned long output_size); | 63 | unsigned long output_size); |
@@ -66,8 +65,7 @@ unsigned char *choose_kernel_location(struct boot_params *params, | |||
66 | bool has_cpuflag(int flag); | 65 | bool has_cpuflag(int flag); |
67 | #else | 66 | #else |
68 | static inline | 67 | static inline |
69 | unsigned char *choose_kernel_location(struct boot_params *params, | 68 | unsigned char *choose_kernel_location(unsigned char *input, |
70 | unsigned char *input, | ||
71 | unsigned long input_size, | 69 | unsigned long input_size, |
72 | unsigned char *output, | 70 | unsigned char *output, |
73 | unsigned long output_size) | 71 | unsigned long output_size) |