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| author | Alexander Gordeev <agordeev@linux.ibm.com> | 2024-02-21 13:51:55 +0300 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2024-02-26 12:25:09 +0300 |
| commit | 3334fda639cfa7bb27a457f85f4ce06d622e0511 (patch) | |
| tree | 21cb04dd36f253d1b63c8100a311202565870eec /arch/s390/boot/startup.c | |
| parent | a795e5d2347def129734a7f247ac70339d50d8c2 (diff) | |
| download | linux-3334fda639cfa7bb27a457f85f4ce06d622e0511.tar.xz | |
s390/boot: simplify GOT handling
The end of GOT is calculated dynamically on boot. The size of GOT
is calculated on build from the start and end of GOT. Avoid both
calculations and use the end of GOT directly.
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/boot/startup.c')
| -rw-r--r-- | arch/s390/boot/startup.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/s390/boot/startup.c b/arch/s390/boot/startup.c index cb0d89801c43..c1a758921b7a 100644 --- a/arch/s390/boot/startup.c +++ b/arch/s390/boot/startup.c @@ -221,11 +221,8 @@ static void kaslr_adjust_got(unsigned long offset) * Even without -fPIE, Clang still uses a global offset table for some * reason. Adjust the GOT entries. */ - for (entry = (u64 *)vmlinux.got_off; - entry < (u64 *)(vmlinux.got_off + vmlinux.got_size); - entry++) { + for (entry = (u64 *)vmlinux.got_start; entry < (u64 *)vmlinux.got_end; entry++) *entry += offset; - } } #endif @@ -366,7 +363,8 @@ static void kaslr_adjust_vmlinux_info(unsigned long offset) vmlinux.rela_dyn_end += offset; vmlinux.dynsym_start += offset; #else - vmlinux.got_off += offset; + vmlinux.got_start += offset; + vmlinux.got_end += offset; #endif vmlinux.init_mm_off += offset; vmlinux.swapper_pg_dir_off += offset; |