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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-12 11:04:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-12 11:04:35 -0700
commit67a7a8fff8aef69579cd4426dca1ccb865b93167 (patch)
tree9645828a5a4c73d66defd863654c9c1893e6ff01 /arch
parentc5c177c5fd952720d6b659f596d6eb9be59c9000 (diff)
parenta5a18ae73bcac37010a7b37e942add0f25b9d503 (diff)
downloadlinux-67a7a8fff8aef69579cd4426dca1ccb865b93167.tar.bz2
Merge tag 'for-linus-4.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross: "A few fixes of Xen related core code and drivers" * tag 'for-linus-4.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/pvh: Indicate XENFEAT_linux_rsdp_unrestricted to Xen xen/acpi: off by one in read_acpi_id() xen/acpi: upload _PSD info for non Dom0 CPUs too x86/xen: Delay get_cpu_cap until stack canary is established xen: xenbus_dev_frontend: Verify body of XS_TRANSACTION_END xen: xenbus: Catch closing of non existent transactions xen: xenbus_dev_frontend: Fix XS_TRANSACTION_END handling
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/xen/enlighten_pv.c8
-rw-r--r--arch/x86/xen/xen-head.S4
2 files changed, 7 insertions, 5 deletions
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index 3c2c2530737e..c36d23aa6c35 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -1259,10 +1259,6 @@ asmlinkage __visible void __init xen_start_kernel(void)
*/
__userpte_alloc_gfp &= ~__GFP_HIGHMEM;
- /* Work out if we support NX */
- get_cpu_cap(&boot_cpu_data);
- x86_configure_nx();
-
/* Get mfn list */
xen_build_dynamic_phys_to_machine();
@@ -1272,6 +1268,10 @@ asmlinkage __visible void __init xen_start_kernel(void)
*/
xen_setup_gdt(0);
+ /* Work out if we support NX */
+ get_cpu_cap(&boot_cpu_data);
+ x86_configure_nx();
+
xen_init_irq_ops();
/* Let's presume PV guests always boot on vCPU with id 0. */
diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
index 96f26e026783..5077ead5e59c 100644
--- a/arch/x86/xen/xen-head.S
+++ b/arch/x86/xen/xen-head.S
@@ -89,7 +89,9 @@ END(hypercall_page)
ELFNOTE(Xen, XEN_ELFNOTE_FEATURES,
.ascii "!writable_page_tables|pae_pgdir_above_4gb")
ELFNOTE(Xen, XEN_ELFNOTE_SUPPORTED_FEATURES,
- .long (1 << XENFEAT_writable_page_tables) | (1 << XENFEAT_dom0))
+ .long (1 << XENFEAT_writable_page_tables) | \
+ (1 << XENFEAT_dom0) | \
+ (1 << XENFEAT_linux_rsdp_unrestricted))
ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes")
ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic")
ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID,