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xen: branch for v7.1-rc4

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Merge tag 'for-linus-7.1b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes from Juergen Gross:

 - one simple cleanup

 - a fix for a corner case when running as Xen PV dom0

 - a fix of a regression for Xen PV guests, introduced in 7.0

* tag 'for-linus-7.1b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  x86/xen: Tolerate nested XEN_LAZY_MMU entering/leaving
  x86/xen: Fix xen_e820_swap_entry_with_ram()
  xen/arm: Replace __ASSEMBLY__ with __ASSEMBLER__ in interface.h
This commit is contained in:
Linus Torvalds 2026-05-15 11:24:51 -07:00
commit 4844e7c4c2
3 changed files with 8 additions and 4 deletions
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8
arch/x86/xen/mmu_pv.c
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@ -2145,7 +2145,10 @@ static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot)
static void xen_enter_lazy_mmu(void)
{
enter_lazy(XEN_LAZY_MMU);
preempt_disable();
if (xen_get_lazy_mode() != XEN_LAZY_MMU)
enter_lazy(XEN_LAZY_MMU);
preempt_enable();
}
static void xen_flush_lazy_mmu(void)
@ -2182,7 +2185,8 @@ static void xen_leave_lazy_mmu(void)
{
preempt_disable();
xen_mc_flush();
leave_lazy(XEN_LAZY_MMU);
if (xen_get_lazy_mode() != XEN_LAZY_NONE)
leave_lazy(XEN_LAZY_MMU);
preempt_enable();
}

2
arch/x86/xen/setup.c
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@ -655,7 +655,7 @@ static void __init xen_e820_swap_entry_with_ram(struct e820_entry *swap_entry)
/* Fill new entry (keep size and page offset). */
entry->type = swap_entry->type;
entry->addr = entry_end - swap_size +
swap_addr - swap_entry->addr;
swap_entry->addr - swap_addr;
entry->size = swap_entry->size;
/* Convert old entry to RAM, align to pages. */

2
include/xen/arm/interface.h
View File

@ -30,7 +30,7 @@
#define __HYPERVISOR_platform_op_raw __HYPERVISOR_platform_op
#ifndef __ASSEMBLY__
#ifndef __ASSEMBLER__
/* Explicitly size integers that represent pfns in the interface with
* Xen so that we can have one ABI that works for 32 and 64 bit guests.
* Note that this means that the xen_pfn_t type may be capable of