[PATCH v3 06/17] x86: zimage: Disable interrupts just before booting

Simon Glass sjg at chromium.org
Sat Sep 5 22:50:42 CEST 2020


At present if an error occurs while setting up the boot, interrupts are
left disabled. Move this call later in the sequence to avoid this problem.

Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner at br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---

(no changes since v1)

 arch/x86/lib/zimage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c
index ba9eb50b0ba..8651dea93b3 100644
--- a/arch/x86/lib/zimage.c
+++ b/arch/x86/lib/zimage.c
@@ -333,7 +333,6 @@ int do_zboot(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 	struct boot_params *base_ptr;
 	char *s;
 
-	disable_interrupts();
 	memset(&state, '\0', sizeof(state));
 	if (argc >= 2) {
 		/* argv[1] holds the address of the bzImage */
@@ -369,6 +368,7 @@ int do_zboot(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 		return -1;
 	}
 
+	disable_interrupts();
 	/* we assume that the kernel is in place */
 	return boot_linux_kernel((ulong)base_ptr, state.load_address, false);
 }
-- 
2.28.0.526.ge36021eeef-goog



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