diff options
| author | Tony Lindgren <tony@atomide.com> | 2016-01-14 12:20:47 -0800 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2016-02-15 15:45:27 -0500 |
| commit | b6204db55d575691f837a64fbc31eb9a4bcb3c52 (patch) | |
| tree | b1a741285ea5cbebb78072bc17aa444ca71ffd4d /arch/arm | |
| parent | 2c0fae21283fe4d8ca6475e40f56603f7426613d (diff) | |
ARM: OMAP2+: Fix save_secure_ram_context for rodata
[ Upstream commit a5311d4d13df80bd71a9e47f9ecaf327f478fab1 ]
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@chromium.org>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org # v4.0+
Fixes: 1e6b48116a95 ("ARM: mm: allow non-text sections to be
non-executable")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-omap2/sleep34xx.S | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S index 5659d96b78d5..8e2a7acb823b 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 == |