Messages in this thread | | | Date | Tue, 3 May 2016 11:39:36 -0700 | From | Josh Triplett <> | Subject | Re: [PATCH v2] x86/efi-bgrt: Switch all pr_err() to pr_notice() for invalid BGRT |
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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@fedoraproject.org>
Thank you for the updated patch.
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
> --- > > 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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