diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.9.21/0031-kaiser-drop-is_atomic-arg-to-kaiser_pagetable_walk.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.9.21/0031-kaiser-drop-is_atomic-arg-to-kaiser_pagetable_walk.patch | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0031-kaiser-drop-is_atomic-arg-to-kaiser_pagetable_walk.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0031-kaiser-drop-is_atomic-arg-to-kaiser_pagetable_walk.patch deleted file mode 100644 index d78da68d..00000000 --- a/common/recipes-kernel/linux/linux-yocto-4.9.21/0031-kaiser-drop-is_atomic-arg-to-kaiser_pagetable_walk.patch +++ /dev/null @@ -1,55 +0,0 @@ -From 37261333171ffce6be264a70a6a8db11616b2d6f Mon Sep 17 00:00:00 2001 -From: Hugh Dickins <hughd@google.com> -Date: Sun, 29 Oct 2017 11:36:19 -0700 -Subject: [PATCH 031/103] kaiser: drop is_atomic arg to kaiser_pagetable_walk() - -I have not observed a might_sleep() warning from setup_fixmap_gdt()'s -use of kaiser_add_mapping() in our tree (why not?), but like upstream -we have not provided a way for that to pass is_atomic true down to -kaiser_pagetable_walk(), and at startup it's far from a likely source -of trouble: so just delete the walk's is_atomic arg and might_sleep(). - -Signed-off-by: Hugh Dickins <hughd@google.com> -Acked-by: Jiri Kosina <jkosina@suse.cz> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - arch/x86/mm/kaiser.c | 10 ++-------- - 1 file changed, 2 insertions(+), 8 deletions(-) - -diff --git a/arch/x86/mm/kaiser.c b/arch/x86/mm/kaiser.c -index b8aa9ad..65ac3fd 100644 ---- a/arch/x86/mm/kaiser.c -+++ b/arch/x86/mm/kaiser.c -@@ -107,19 +107,13 @@ static inline unsigned long get_pa_from_mapping(unsigned long vaddr) - * - * Returns a pointer to a PTE on success, or NULL on failure. - */ --static pte_t *kaiser_pagetable_walk(unsigned long address, bool is_atomic) -+static pte_t *kaiser_pagetable_walk(unsigned long address) - { - pmd_t *pmd; - pud_t *pud; - pgd_t *pgd = native_get_shadow_pgd(pgd_offset_k(address)); - gfp_t gfp = (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO); - -- if (is_atomic) { -- gfp &= ~GFP_KERNEL; -- gfp |= __GFP_HIGH | __GFP_ATOMIC; -- } else -- might_sleep(); -- - if (pgd_none(*pgd)) { - WARN_ONCE(1, "All shadow pgds should have been populated"); - return NULL; -@@ -194,7 +188,7 @@ static int kaiser_add_user_map(const void *__start_addr, unsigned long size, - ret = -EIO; - break; - } -- pte = kaiser_pagetable_walk(address, false); -+ pte = kaiser_pagetable_walk(address); - if (!pte) { - ret = -ENOMEM; - break; --- -2.7.4 - |