On Tue, May 03, 2016 at 01:47:04PM -0400, Josh Boyer wrote:
> The promise of pretty boot splashes from firmware via BGRT was at
> best only that; a promise. The kernel diligently checks to make
> sure the BGRT data firmware gives it is valid, and dutifully warns
> the user when it isn't. However, it does so via the pr_err log
> level which seems unnecessary. The user cannot do anything about
> this and there really isn't an error on the part of Linux to
> correct.
>
> This lowers the log level by using pr_notice instead. Users will
> no longer have their boot process uglified by the kernel reminding
> us that firmware can and often is broken when the 'quiet' kernel
> parameter is specified. Ironic, considering BGRT is supposed to
> make boot pretty to begin with.
>
> Signed-off-by: Josh Boyer <jwboyer@xxxxxxxxxxxxxxxxx>
Thank you for the updated patch.
Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
> ---
>
> v2: Switch to using pr_notice instead of pr_debug
>
> arch/x86/platform/efi/efi-bgrt.c | 18 +++++++++---------
> 1 file changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/arch/x86/platform/efi/efi-bgrt.c b/arch/x86/platform/efi/efi-bgrt.c
> index a2433817c987..6a2f5691b1ab 100644
> --- a/arch/x86/platform/efi/efi-bgrt.c
> +++ b/arch/x86/platform/efi/efi-bgrt.c
> @@ -43,40 +43,40 @@ void __init efi_bgrt_init(void)
> return;
>
> if (bgrt_tab->header.length < sizeof(*bgrt_tab)) {
> - pr_err("Ignoring BGRT: invalid length %u (expected %zu)\n",
> + pr_notice("Ignoring BGRT: invalid length %u (expected %zu)\n",
> bgrt_tab->header.length, sizeof(*bgrt_tab));
> return;
> }
> if (bgrt_tab->version != 1) {
> - pr_err("Ignoring BGRT: invalid version %u (expected 1)\n",
> + pr_notice("Ignoring BGRT: invalid version %u (expected 1)\n",
> bgrt_tab->version);
> return;
> }
> if (bgrt_tab->status & 0xfe) {
> - pr_err("Ignoring BGRT: reserved status bits are non-zero %u\n",
> + pr_notice("Ignoring BGRT: reserved status bits are non-zero %u\n",
> bgrt_tab->status);
> return;
> }
> if (bgrt_tab->image_type != 0) {
> - pr_err("Ignoring BGRT: invalid image type %u (expected 0)\n",
> + pr_notice("Ignoring BGRT: invalid image type %u (expected 0)\n",
> bgrt_tab->image_type);
> return;
> }
> if (!bgrt_tab->image_address) {
> - pr_err("Ignoring BGRT: null image address\n");
> + pr_notice("Ignoring BGRT: null image address\n");
> return;
> }
>
> image = memremap(bgrt_tab->image_address, sizeof(bmp_header), MEMREMAP_WB);
> if (!image) {
> - pr_err("Ignoring BGRT: failed to map image header memory\n");
> + pr_notice("Ignoring BGRT: failed to map image header memory\n");
> return;
> }
>
> memcpy(&bmp_header, image, sizeof(bmp_header));
> memunmap(image);
> if (bmp_header.id != 0x4d42) {
> - pr_err("Ignoring BGRT: Incorrect BMP magic number 0x%x (expected 0x4d42)\n",
> + pr_notice("Ignoring BGRT: Incorrect BMP magic number 0x%x (expected 0x4d42)\n",
> bmp_header.id);
> return;
> }
> @@ -84,14 +84,14 @@ void __init efi_bgrt_init(void)
>
> bgrt_image = kmalloc(bgrt_image_size, GFP_KERNEL | __GFP_NOWARN);
> if (!bgrt_image) {
> - pr_err("Ignoring BGRT: failed to allocate memory for image (wanted %zu bytes)\n",
> + pr_notice("Ignoring BGRT: failed to allocate memory for image (wanted %zu bytes)\n",
> bgrt_image_size);
> return;
> }
>
> image = memremap(bgrt_tab->image_address, bmp_header.size, MEMREMAP_WB);
> if (!image) {
> - pr_err("Ignoring BGRT: failed to map image memory\n");
> + pr_notice("Ignoring BGRT: failed to map image memory\n");
> kfree(bgrt_image);
> bgrt_image = NULL;
> return;
> --
> 2.5.5
>
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