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Commit ffc5fce9 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

Merge branch 'x86/urgent' into x86/asm, to refresh the tree 



Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parents b2eafe89 1bdb8970

arch/x86/kernel/apic/vector.c

+2 −1
Original line number Diff line number Diff line
@@ -256,7 +256,8 @@ static void clear_irq_vector(int irq, struct apic_chip_data *data) 
	struct irq_desc *desc;

	int cpu, vector;



	BUG_ON(!data->cfg.vector);

	if (!data->cfg.vector)

		return;



	vector = data->cfg.vector;

	for_each_cpu_and(cpu, data->domain, cpu_online_mask)

arch/x86/kernel/head_32.S

+0 −6
Original line number Diff line number Diff line
@@ -389,12 +389,6 @@ default_entry: 
	/* Make changes effective */

	wrmsr



	/*

	 * And make sure that all the mappings we set up have NX set from

	 * the beginning.

	 */

	orl $(1 << (_PAGE_BIT_NX - 32)), pa(__supported_pte_mask + 4)



enable_paging:



/*

arch/x86/mm/setup_nx.c

+3 −2
Original line number Diff line number Diff line
@@ -32,8 +32,9 @@ early_param("noexec", noexec_setup); 


void x86_configure_nx(void)

{

	/* If disable_nx is set, clear NX on all new mappings going forward. */

	if (disable_nx)

	if (boot_cpu_has(X86_FEATURE_NX) && !disable_nx)

		__supported_pte_mask |= _PAGE_NX;

	else

		__supported_pte_mask &= ~_PAGE_NX;

}

arch/x86/xen/spinlock.c

+6 −0
Original line number Diff line number Diff line
@@ -27,6 +27,12 @@ static bool xen_pvspin = true; 


static void xen_qlock_kick(int cpu)

{

	int irq = per_cpu(lock_kicker_irq, cpu);



	/* Don't kick if the target's kicker interrupt is not initialized. */

	if (irq == -1)

		return;



	xen_send_IPI_one(cpu, XEN_SPIN_UNLOCK_VECTOR);

}