From: Tony Lindgren Date: Thu, 7 Oct 2010 18:34:04 +0000 (+0100) Subject: ARM: 6435/1: Fix HWCAP_TLS flag for ARM11MPCore/Cortex-A9 X-Git-Tag: v2.6.36-rc8~7^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c0bb5862a9076992e2cbeb5fa0d08c2ac3d4fbb0;p=profile%2Fivi%2Fkernel-x86-ivi.git ARM: 6435/1: Fix HWCAP_TLS flag for ARM11MPCore/Cortex-A9 Commit 14eff1812679c76564b775aa95cdd378965f6cfb added proper detection for ARM11MPCore/Cortex-A9 instead of detecting them as ARMv7. However, it was missing the HWCAP_TLS flags. HWCAP_TLS is needed if support for earlier ARMv6 is compiled into the same kernel. Without HWCAP_TLS flags the userspace won't work unless nosmp is specified: Kernel panic - not syncing: Attempted to kill init! CPU0: stopping ] (unwind_backtrace+0x0/0xec) from [] (do_IPI+0xfc/0x184) ] (do_IPI+0xfc/0x184) from [] (__irq_svc+0x9c/0x160) Exception stack(0xc0565f80 to 0xc0565fc8) 5f80: 00000001 c05772a0 00000000 00003a61 c0564000 c05cf500 c003603c c0578600 5fa0: 80033ef0 410fc091 0000001f 00000000 00000000 c0565fc8 c00b91f8 c0057cb4 5fc0: 20000013 ffffffff [] (__irq_svc+0x9c/0x160) from [] (default_idle+0x30/0x38) [] (default_idle+0x30/0x38) from [] (cpu_idle+0x9c/0xf8) [] (cpu_idle+0x9c/0xf8) from [] (start_kernel+0x2a4/0x300) [] (start_kernel+0x2a4/0x300) from [<80008084>] (0x80008084) Signed-off-by: Tony Lindgren Signed-off-by: Russell King --- diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 75619c55f13..197f21bed5e 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -373,7 +373,7 @@ __v7_ca9mp_proc_info: b __v7_ca9mp_setup .long cpu_arch_name .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP + .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_TLS .long cpu_v7_name .long v7_processor_functions .long v7wbi_tlb_fns