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Commit a5e75363 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] xen_domu build fix
  [IA64] fixes configs and add default config for ia64 xen domU
  [IA64] Remove redundant cpu_clear() in __cpu_disable path
  [IA64] Revert "prevent ia64 from invoking irq handlers on offline CPUs"
  [IA64] bte_copy of BTE_MAX_XFER trips BUG_ON.
  [IA64] Build fix for __early_pfn_to_nid() undefined link error
parents 402a917a ec8148de

arch/ia64/Kconfig

+5 −2
Original line number Diff line number Diff line
@@ -221,7 +221,11 @@ config IA64_HP_SIM 


config IA64_XEN_GUEST

	bool "Xen guest"

	select SWIOTLB

	depends on XEN

	help

	  Build a kernel that runs on Xen guest domain. At this moment only

	  16KB page size in supported.



endchoice
@@ -479,8 +483,7 @@ config HOLES_IN_ZONE 
	default y if VIRTUAL_MEM_MAP



config HAVE_ARCH_EARLY_PFN_TO_NID

	def_bool y

	depends on NEED_MULTIPLE_NODES

	def_bool NUMA && SPARSEMEM



config HAVE_ARCH_NODEDATA_EXTENSION

	def_bool y

arch/ia64/configs/xen_domu_defconfig

0 → 100644
+1601 −0

File added.

Preview size limit exceeded, changes collapsed.

arch/ia64/include/asm/sn/bte.h

+1 −1
Original line number Diff line number Diff line
@@ -39,7 +39,7 @@ 
/* BTE status register only supports 16 bits for length field */

#define BTE_LEN_BITS (16)

#define BTE_LEN_MASK ((1 << BTE_LEN_BITS) - 1)

#define BTE_MAX_XFER ((1 << BTE_LEN_BITS) * L1_CACHE_BYTES)

#define BTE_MAX_XFER (BTE_LEN_MASK << L1_CACHE_SHIFT)





/* Define hardware */

arch/ia64/kernel/smpboot.c

+3 −2
Original line number Diff line number Diff line
@@ -736,14 +736,15 @@ int __cpu_disable(void) 
			return -EBUSY;

	}



	cpu_clear(cpu, cpu_online_map);



	if (migrate_platform_irqs(cpu)) {

		cpu_set(cpu, cpu_online_map);

		return (-EBUSY);

		return -EBUSY;

	}



	remove_siblinginfo(cpu);

	fixup_irqs();

	cpu_clear(cpu, cpu_online_map);

	local_flush_tlb_all();

	cpu_clear(cpu, cpu_callin_map);

	return 0;

arch/ia64/sn/kernel/bte.c

+4 −3
Original line number Diff line number Diff line
@@ -97,9 +97,10 @@ bte_result_t bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification) 
		return BTE_SUCCESS;

	}



	BUG_ON((len & L1_CACHE_MASK) ||

		 (src & L1_CACHE_MASK) || (dest & L1_CACHE_MASK));

	BUG_ON(!(len < ((BTE_LEN_MASK + 1) << L1_CACHE_SHIFT)));

	BUG_ON(len & L1_CACHE_MASK);

	BUG_ON(src & L1_CACHE_MASK);

	BUG_ON(dest & L1_CACHE_MASK);

	BUG_ON(len > BTE_MAX_XFER);



	/*

	 * Start with interface corresponding to cpu number