On Mon, Mar 2, 2015 at 6:58 AM, Baoquan He <[email protected]> wrote: > Now random value can be used to get related slot info stored in > slot_area, mainly use slot_area.num to position which slot is target. > With this slot its starting address is returned as the physical > address where kernel will put. > > @@ -362,7 +364,7 @@ repeat: > goto repeat; > } > > -static unsigned long find_random_addr(unsigned long minimum, > +static unsigned long find_random_phy_addr(unsigned long minimum, > unsigned long size)
You forgot to change calling name. got: arch/x86/boot/compressed/aslr.o: In function `choose_kernel_location': aslr.c:(.text+0x163): undefined reference to `find_random_addr' make[2]: *** [arch/x86/boot/compressed/vmlinux] Error 1 make[1]: *** [arch/x86/boot/compressed/vmlinux] Error 2 Please make the patch set bisect-able. after fixing that, on the system with 4G ram: i got: early console in decompress_kernel KASLR using RDTSC... decompress_kernel: input: [0x13f5ed3b4-0x13ff6a64b], output: 0x153000000, heap: [0x13ff76000-0x13ff7dfff] Decompressing Linux... xz... XZ-compressed data is corrupt without the patch, I have: early console in decompress_kernel KASLR could not find suitable E820 region... decompress_kernel: input: [0x13f5ee3b4-0x13ff6b64b], output: 0x13cc00000, heap: [0x13ff76000-0x13ff7dfff] Decompressing Linux... xz... Parsing ELF... done. ... [ 0.016848] e820: BIOS-provided physical RAM map (sanitized by setup): [ 0.018854] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.020982] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.023166] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.025783] BIOS-e820: [mem 0x0000000000100000-0x00000000bffdffff] usable [ 0.027901] BIOS-e820: [mem 0x00000000bffe0000-0x00000000bfffffff] reserved [ 0.030079] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.032252] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.034437] BIOS-e820: [mem 0x0000000100000000-0x000000013fffffff] usable so you code now select range that is out of boundary to non ram area. Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
