diff options
Diffstat (limited to 'libre/qemu-user-static/0008-linux-user-init_guest_space-Don-t-try-to-align-if-we.patch')
-rw-r--r-- | libre/qemu-user-static/0008-linux-user-init_guest_space-Don-t-try-to-align-if-we.patch | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/libre/qemu-user-static/0008-linux-user-init_guest_space-Don-t-try-to-align-if-we.patch b/libre/qemu-user-static/0008-linux-user-init_guest_space-Don-t-try-to-align-if-we.patch deleted file mode 100644 index 9f434e116..000000000 --- a/libre/qemu-user-static/0008-linux-user-init_guest_space-Don-t-try-to-align-if-we.patch +++ /dev/null @@ -1,50 +0,0 @@ -From 8f38106de8d023be8b3b28955df3615637c65dd9 Mon Sep 17 00:00:00 2001 -From: Luke Shumaker <lukeshu@parabola.nu> -Date: Thu, 28 Dec 2017 06:42:12 -0500 -Subject: [PATCH 08/10] linux-user: init_guest_space: Don't try to align if - we'll reject it - -If the ensure-alignment code gets triggered, then the -"if (host_start && real_start != current_start)" check will always trigger, -so save 2 syscalls and put that check first. - -Note that we can't just switch to using MAP_FIXED for that check, because -then we couldn't differentiate between a failure because "there isn't -enough space" and "there isn't enough space *here*". - -Signed-off-by: Luke Shumaker <lukeshu@parabola.nu> ---- - linux-user/elfload.c | 10 +++++----- - 1 file changed, 5 insertions(+), 5 deletions(-) - -diff --git a/linux-user/elfload.c b/linux-user/elfload.c -index 5c0ad65611..1b7583d659 100644 ---- a/linux-user/elfload.c -+++ b/linux-user/elfload.c -@@ -1871,6 +1871,11 @@ unsigned long init_guest_space(unsigned long host_start, - return (unsigned long)-1; - } - -+ /* Check to see if the address is valid. */ -+ if (host_start && real_start != current_start) { -+ goto try_again; -+ } -+ - /* Ensure the address is properly aligned. */ - if (real_start & ~qemu_host_page_mask) { - /* Ideally, we adjust like -@@ -1905,11 +1910,6 @@ unsigned long init_guest_space(unsigned long host_start, - aligned_start = real_start; - } - -- /* Check to see if the address is valid. */ -- if (host_start && aligned_start != current_start) { -- goto try_again; -- } -- - #if defined(TARGET_ARM) && !defined(TARGET_AARCH64) - /* On 32-bit ARM, we need to also be able to map the commpage. */ - int valid = init_guest_commpage(aligned_start - guest_start, --- -2.15.1 - |