[PATCH 3/5] ARM: OMAP2+: Fix save_secure_ram_context for rodata
Tony Lindgren
tony at atomide.com
Thu Jan 21 11:12:05 PST 2016
We don't want to write to .text and we can move save_secure_ram_context
into .data as it all gets copied into SRAM anyways.
Cc: Kees Cook <keescook at chromium.org>
Cc: Laura Abbott <labbott at redhat.com>
Cc: Nicolas Pitre <nicolas.pitre at linaro.org>
Cc: Nishanth Menon <nm at ti.com>
Cc: Richard Woodruff <r-woodruff2 at ti.com>
Cc: Russell King <linux at arm.linux.org.uk>
Cc: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
Cc: Tero Kristo <t-kristo at ti.com>
Signed-off-by: Tony Lindgren <tony at atomide.com>
---
arch/arm/mach-omap2/sleep34xx.S | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S
index 5659d96..8e2a7ac 100644
--- a/arch/arm/mach-omap2/sleep34xx.S
+++ b/arch/arm/mach-omap2/sleep34xx.S
@@ -92,8 +92,12 @@ ENTRY(enable_omap3630_toggle_l2_on_restore)
ldmfd sp!, {pc} @ restore regs and return
ENDPROC(enable_omap3630_toggle_l2_on_restore)
- .text
-/* Function to call rom code to save secure ram context */
+/*
+ * Function to call rom code to save secure ram context. This gets
+ * relocated to SRAM, so it can be all in .data section. Otherwise
+ * we need to initialize api_params separately.
+ */
+ .data
.align 3
ENTRY(save_secure_ram_context)
stmfd sp!, {r4 - r11, lr} @ save registers on stack
@@ -127,6 +131,8 @@ ENDPROC(save_secure_ram_context)
ENTRY(save_secure_ram_context_sz)
.word . - save_secure_ram_context
+ .text
+
/*
* ======================
* == Idle entry point ==
--
2.7.0.rc3
More information about the linux-arm-kernel
mailing list