Messages in this thread Patch in this message | | | Date | Tue, 18 Jan 2011 20:05:04 +0100 | From | Ingo Molnar <> | Subject | [GIT PULL] x86 fixes |
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Linus,
Please pull the latest x86-fixes-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git x86-fixes-for-linus
Thanks,
Ingo
------------------> Brian Gerst (1): x86: Clear irqstack thread_info
Shaohua Li (1): x86: Make relocatable kernel work with new binutils
arch/x86/kernel/irq_32.c | 7 ++----- arch/x86/kernel/vmlinux.lds.S | 11 +++++++++-- 2 files changed, 11 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index 96656f2..5206bb9 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -129,8 +129,7 @@ void __cpuinit irq_ctx_init(int cpu) irqctx = page_address(alloc_pages_node(cpu_to_node(cpu), THREAD_FLAGS, THREAD_ORDER)); - irqctx->tinfo.task = NULL; - irqctx->tinfo.exec_domain = NULL; + memset(&irqctx->tinfo, 0, sizeof(struct thread_info)); irqctx->tinfo.cpu = cpu; irqctx->tinfo.preempt_count = HARDIRQ_OFFSET; irqctx->tinfo.addr_limit = MAKE_MM_SEG(0); @@ -140,10 +139,8 @@ void __cpuinit irq_ctx_init(int cpu) irqctx = page_address(alloc_pages_node(cpu_to_node(cpu), THREAD_FLAGS, THREAD_ORDER)); - irqctx->tinfo.task = NULL; - irqctx->tinfo.exec_domain = NULL; + memset(&irqctx->tinfo, 0, sizeof(struct thread_info)); irqctx->tinfo.cpu = cpu; - irqctx->tinfo.preempt_count = 0; irqctx->tinfo.addr_limit = MAKE_MM_SEG(0); per_cpu(softirq_ctx, cpu) = irqctx; diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index bf47007..b34ab80 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -34,11 +34,9 @@ OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT) #ifdef CONFIG_X86_32 OUTPUT_ARCH(i386) ENTRY(phys_startup_32) -jiffies = jiffies_64; #else OUTPUT_ARCH(i386:x86-64) ENTRY(phys_startup_64) -jiffies_64 = jiffies; #endif #if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA) @@ -142,6 +140,15 @@ SECTIONS CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES) DATA_DATA + /* + * Workaround a binutils (2.20.51.0.12 to 2.21.51.0.3) bug. + * This makes jiffies relocatable in such binutils + */ +#ifdef CONFIG_X86_32 + jiffies = jiffies_64; +#else + jiffies_64 = jiffies; +#endif CONSTRUCTORS /* rarely changed data like cpu maps */
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