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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-01-26 11:02:59 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-01-26 11:02:59 +0100 |
| commit | 64c96a57b73397415eafa4ac2020ea7d99d7168c (patch) | |
| tree | e71719d174d22aab6362858d383c292149ec8ae9 /arch/x86/boot/compressed/misc.c | |
| parent | e2e64a932556cdfae455497dbe94a8db151fc9fa (diff) | |
| parent | 26bc420b59a38e4e6685a73345a0def461136dce (diff) | |
Merge branch 'linus' into irq/core
Reason: Pull in upstream fixes on which new patches depend on.
Diffstat (limited to 'arch/x86/boot/compressed/misc.c')
| -rw-r--r-- | arch/x86/boot/compressed/misc.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index dcc1c536cc21..a950864a64da 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -373,6 +373,8 @@ asmlinkage __visible void *decompress_kernel(void *rmode, memptr heap, unsigned long output_len, unsigned long run_size) { + unsigned char *output_orig = output; + real_mode = rmode; sanitize_boot_params(real_mode); @@ -421,7 +423,12 @@ asmlinkage __visible void *decompress_kernel(void *rmode, memptr heap, debug_putstr("\nDecompressing Linux... "); decompress(input_data, input_len, NULL, NULL, output, NULL, error); parse_elf(output); - handle_relocations(output, output_len); + /* + * 32-bit always performs relocations. 64-bit relocations are only + * needed if kASLR has chosen a different load address. + */ + if (!IS_ENABLED(CONFIG_X86_64) || output != output_orig) + handle_relocations(output, output_len); debug_putstr("done.\nBooting the kernel.\n"); return output; } |